Project Description

The origins of this section were provided by Michael Bishop and were written by him in 1996 at the tender age of 22 as part of a web experimental project (http://www.4wdonline.com/4WD.html) hosting static, unchanging, web-content of a historical nature.

The work lists all changes documented by Rover with additional sections for Engine, Gearbox & Axle changes and separate details for the Welder and Tickford Station Wagon variants. Please click on the relevant section (tab) below and expand to see details using the toggle switches.

1948 Land-Rover Basic model changes

R860001 Despatched In 19/07/1948
First production vehicle in this sequence. Rover Service Bulletin 5011 on 16/06/1948 titled, ‘1948 Land Rover and Unit Numbers’ which details the way the sequence will work. On the same day Rover Service Bulletin 5012, titled ‘1948 Land Rover, Brief Technical Specification’ was released. As the Specification changed during 1948, this Bulletin was updated twice.

Click here for Rover Service Bulletin 5011.

Click here for Rover Service Bulletin 5012.

R860150 Despatched In 15/09/1948
The seat back rests are changed from the pre production type which sit above the galvanised capping, part No. 301050, to being the sprung shovel back type which are part No. 301111. The seat backs changed again on the 1950 model at chassis No. 06110305

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R860180 Despatched In 15/09/1948
The cover plate for the brake pedal adjuster on the R.H floor, part No. 300882 is no longer fitted. The floors changed again on the 1948 model at chassis No. 861501.

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L860181 Despatched In 17/09/1948
The cover plates for the wing valances are now fitted. Part No.’s 301208 & 301209 for LH & RH valences on RHD vehicles & part No. 301207 on LHD vehicles. The inner wings changed to make exhaust fitment easier to the vehicle in production and service. The front inner wings change again at 1948 chassis No. 861500.

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R860525 Despatched In 02/11/1948
The front road springs changed from having a 2.5″ free camber to having a 3.5″ free camber. The front road springs changed again on the 1948 model at chassis No. 862115. Rover Service Bulletin 5046 from the 05/05/1949, issue 2 titled, ‘Road Spring’s’ which details the way road springs evolved and changed on the early vehices. The road springs changed again at Chassis No. R862115

Click here for Rover Service Bulletin 5046.

R860648 Despatched In 05/11/1948
The twelve shackle pins on vehicles numbered 860001 to 860647 were all part No. 210699. The inner spring mounting points are no longer tapped hence from chassis No. 860648 eight pins were part No. 210699 the other four are part No. 230721 which have less thread and are a tight push fit in the chassis. The front shackle pins changed again on the 1950 model at chassis No. R06113530. See also 1949 chassis No. 8665465.

R860750 Despatched In 11/11/1948
The windscreen now has two small tapped blocks added to each top corner so that the optional trafficators can be fitted. A spot for the trafficator operating switch is now welded on the inside of the windscreen frame. This change is often listed as also being at chassis No 860730. The windscreen changed again on the 1948 model at chassis No. 861501. The exterior rear vision mirror is moved down from a bolt that was welded towards the top of the windscreen frame, to being bolted to a triangular piece which is now part of the windscreen frame and beside the door top hinge. The rear vision mirror changed again on the 1951 mode at chassis No. 16103899.

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Lucas ‘Land Rover’ Spare Parts List CE456 on page 3 makes reference to that addition of the SE62 Trafficators being made available for the Land Rover even though this list is dated April 1949, long after the actual change in specification

Click here for Lucas Spares List CE456.

R861001 Despatched In 02/12/1948
The brake fluid reservoir is now moved from being bolted to the engine side of the bulkhead, to being bolted beside the petrol tank. The brake fluid supply pipe is changed on RHD vehicles from being 26″ long, part No. 230284, to being, 15″ long, part No. 230894. On LHD vehicles the supply pipe is changed from being 52″ long, part No. 230285, to being 57 1/2″ long, part No. 230895. A bracket for the brake fluid supply tank is now welded to the chassis beside were the petrol tank is fitted.

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R861372 Despatched In 15/12/1948
Change in axle ratio from 4.88:1 to 4.7:1. This chassis number is only mentioned in the earliest workshop manual TP 109 A. In researching this change the earliest vehicle found so far is actually, the very original R861277 which has front axle R861333 and the 4.7:1 ratio, so it certainly appears that Rover dropped any reference to this chassis number as it is incorrect. The change is usually listed as axles, front and rear 861320 onwards.

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R861501 Despatched In 17/12/1948
The bulkhead changed from being the folded square type, part No. 300767, to being the curved pressed type, part No. 301061. The gear lever completely changed to suit the new bulkhead as did the front inner wings, fuel line, floors and the seat base. The bulkhead to windscreen sealing rubber is now connected to bulkhead from being connected to the windscreen. The bulkhead changed again on the 1949 model at chassis No. 8665608. The gear box cover changed again on the 1950 model at chassis No. 06101033. The drivers side floor changes again on the 1950 model at chassis No. 06103885. The front wings changed again on the 1951 model at chassis No. 16103899. The windscreen changed again on the 1951 model at chassis No. 16101420. The gear lever changed again on the 1953 model at gearbox No. 36102305.

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R861901 Despatched In 07/01/1949
The steering relay changed from a single loaded Tufnol cone type, to the double loaded dampening cone type secured with bolts. You can tell the later type with 4 bolts in the top of the relay

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R862115 Despatched In 17/01/1949
The front road springs now have nine spring leaves, part No. 231196 from being eight spring leaves, The spring free camber changed to be 4″ on the new springs and was 3.5″ old springs. Rover Service Bulletin 5046, 05/05/1949, issue 2 titled, ‘Road Spring’s’ which details the way road springs evolved and changed on the early vehices. The front springs changed again on the 1950 model at chassis No. chassis No. 06113530. The front shock absorbers changed at this point as well to being the same as the rear which have slightly more extension and slightly less compression. Rover Service Bulletin 5153, 13/03/51 Titled J3: Suspesion, Indentification of Telescopic Shock Absorers lists details of all the shock absorbers used on the early models, when they changed and how they differed.

Click here for Rover Service Bulletin 5046.

Click here for Rover Service Bulletin 5153.

R862298 Despatched In 21/01/1949
The right hand side side rear spring free camber changed from being 4 3/8″ to being 5″ free camber. This change was made to compensate for the weight carried on the right hand side such as the fuel tank. Rover Service Bulletin 05/05/1949, issue 2 titled, ‘Road Spring’s’ which details the way road springs evolved and changed on the early vehices. The rear spring free camber changed again on the 1949 model at chassis No. 8664116

Click here for Rover Service Bulletin 5046.

R862501 Despatched In 07/02/1949
The rubber draft strip on the bottom of each door top is now held by nine clips, part No. 73037 instead of eleven screws. The door top changed again on the 1949 model at chassis No. 8666250.

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R863000 Despatched In 22/02/1949
Last Production vehicle in this sequence.

1949 Land-Rover Basic model changes

R8663001 Despatched In 23/02/1949
First Production vehicle in this sequence. Rover Service Bulletin 5038, 11/02/1949 titled, ‘Land Rover and Unit Numbers’ which details the way the sequence changes from the 86 to the 866 sequence. Note that this particular Service Bulletin doesn’t actually mention that the sequence has changed from 1948 to 1949 model years, but if you have a look at the 1948-49 Service Bulletin Index it does list Service Bulletin 5038 as the one for the Serial Numbers for the 1949 Land Rover.

Click here for Rover Service Bulletin 5038.

Click here for the 1948-49 Rover Service Bulletin Index

L8664116 Despatched In 30/03/1949
The rear spring free camber changed from being 4 3/8″ on the left hand spring and 5″ on the right hand spring, to being 4″ free camber on the left hand spring and 4.5″ free camber on the right hand spring. This was done to reduce stress on the rear propellar shaft when the rear spring camber was increased at 1948 Model R862298. Rover Service Bulletin 05/05/1949, issue 2 titled, ‘Road Spring’s’ which details the way road springs evolved and changed on the early vehices.

Click here for Rover Service Bulletin 5046.

L8665465 Despatched In 05/05/49
The washers used between the front spring bushes and the shackle plates are no longer fitted. The front suspension parts changed again on the 1950 model at chassis No. 06113530.

R8665603 Despatched In 09/05/1949
The support bracket for the exhaust front pipe which is bolted to the LH bulkhead outrigger, part No. 219170 is no longer fitted. The exhaust system changed again on the 1950 model at chassis No. 06111064

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L8665608 Despatched In 10/05/1949
The six holes required in the bulkhead for fitting the optional heater are now factory drilled. The bulkhead changed again on the 1950 model at chassis No. 06111528

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R8666001 Despatched In 13/05/1949
The full length hood side fixings on the rear body are changed from being four loop fixings, part No. 300924 to four hooks, part No. 301328. The rear hood socket and tail gate now has welded cleats for tying the hood down. The full length hood changed to suit the new hooks. The full length hood changed again on the 1950 model at chassis No. 06105463. The rear body changed again on the 1949 model at chassis No. 8666225.

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R8666068 Despatched In 24/05/1949
The plate connecting the trailer plug to the chassis is changed from being L shaped, part No. 219575, to being C shaped with four bolt holes in it, part No. 231952. The chassis now has four bolt holes in it around the trailer plug hole. The chassis changes again on the 1950 model at chassis No. 06100156

R8666225 Despatched In 25/05/1949
The four holes needed for the optional export rear seats are now pre drilled in the rear wheel boxes. The rear body changed again on the 1950 chassis No. 06110305.

R8666250 Despatched In 24/05/1949
The top and bottom window channel in the door tops is now held in with screws instead of two retaining pieces. The end piece of window channel is now added to each door top. The door tops changed again on the 1951 model at chassis No. 16103311

R8666574
The ristrictor part No 232635 is addded to the air intake elbow as part of dust ristriction for the engine.

R8666580 Despatched In 14/06/1949
The cable from battery to starter switch is changed, from part No. 219651 to 231774

R8667200 Despatched In 30/06/1949
The 3 pin socket for the rear trailer plug now has a rubber splash proof cover fitted to it. This change is reported in Section X Extra Equipment of Workshop Manual TP 109 B. The bracket holding the socket also changed from being L shaped to C shaped at this point.

R8667575 Despatched In 11/07/1949
According to workshop manual TP109 B and Rover Service Bulletin 5123, this vehicle was the first vehicle fitted with the new adjustabe Girling Hydraulic braking system. See the Land Rover 80″ Axle Changes at axles 867721 for list of what changed.

Click here for Rover Service Bulletin 5123

R8667920 Despatched In 19/08/1949
Last Production vehicle in this sequence

1950 Land-Rover Basic model changes

R06100001 Despatched In 03/08/1949
First Production vehicle in this sequence. Rover Service Bulletin 5104, 20/09/1949, Titled, U2 Numbering: 1950 Land-Rover and Unit Numbers, covers the introduction of the 1950 Model Land Rover Production. Rover Service Bulletin 5105 was also issued on th same day covering the latest specification of the new 1950 models. This Bulletin is titled, W2 Specification: 1950 Land Rover Technical Specification. Do note that the first page of this Bulletin has also been updated.

Click here for Rover Service Bulletin 5104.

Click here for Rover Service Bulletin 5105.

L06100156 Despatched In 22/07/1949
The bolts fixing the shock absorbers and the exhaust bushes are changed from being welded to the chassis to being plain bolts that are removable from the chassis. The chassis changes again at chassis No. 06103841

R06100280 Despatched In 08/08/1949
The elbow on top of the carburettor is changed from being the fully rounded type, part No. 218182, to being the partly oval shaped type, part No. 231494. The reason that this change came about is that when the wheel is mounted on the bonnet, the bonnet often scrapes against the round elbow, so they introduced the oval elbow as a cure to this clearance problem. The elbow on the air cleaner changed as well from having a sliding clamp to having two wing nuts to secure it to the air cleaner.

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R06101033 Despatched In 30/08/1949
The rubber gear lever grommet is changed from being the flat type, part No. 301191 which is held with eight bifurcated rivets to the gear box cover, to being moulded push in fit type, part No. 301437. The gear box cover no longer has eight rivet holes. The gear box cover is changed again on the 1950 model at chassis No. 06103885.

R06101747 Despatched In 22/09/1949
The Doors and tailgate now have rubber draft strips added to them. The rear door strip is also able to act as a buffer between the door and front wings and untimatley the wing buffer disapears during the 1950 season. Service Bulletin 5133, titled R5 Body: Dust Proofing was issued on 12/07/1950 detailing the draft strip part numbers and how to retro fit them to earlier vehicles.

Click here for Service Bulletin 5133.

R06102501
The strengthening ribs under the rear body floor are shortened slightly to allow for better clearance between the ribs and the rear wiring harness for the tail lights. This change is covered in Rover Service Bulletin 5109 P1 Electrical from the 09/11/1949

Click here for Rover Service Bulletin 5109

R06103841 Despatched In 07/11/1949
The brackets for bolting the bumper bar to the chassis are now welded to the bumper bar from being welded to the chassis. The bumper is now held with four bolts. It was previous held with eight bolts. The rear draw bar is change from being welded to the chassis and being ten holes wide, to being bolted to the chassis and eight holes wide. The chassis changes again on the 1950 model chassis No. 061013530

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L06103885 Despatched In 07/11/1949
The right hand floor plate is changed so that it doesn’t have the circular cut out for the ring pull freewheel lock. The gear box cover is changed to have the yellow ‘push down’ lever bolted to it which now locks the freewheel unit. See also the 1950 gearbox No. 06104015 in the Gearbox part changes section.

R06104001
On Right Hand Drive Models the wiring loom changed on the cable to the headlights to include a plastic sleeve that prtected this section from battery acid. This change is covered in Rover Service Bulletin 5109 P1 Electrical from the 09/11/1949

Click here for Rover Service Bulletin 5109

R06104683 Despatched In 24/11/1949
The L shaped bracket used to bolt the choke control bracket to the bulkhead is changed from being bolted to the choke control bracket to being spot welded to it. The choke control bracket changed again on the 1950 model at chassis No. 06111528.

R06105379 Despatched In 19/12/1949
The R.H.D hand brake lever is changed from the bakealite handle type with the big button, part No. 218379, to being plain steel handle type with a small button, part No. 231316. See chassis No. 06111806 for L.H.D hand brake lever change.

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R06105463 Despatched In 12/12/1949
The hood bows changed from being the flat top type, part No. 301121, to being the curved top type, part No. 301892. The full length hood changed to suit the new hood bows.

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R06105831 Despatched In 29/12/1949
The speedometer is cable changed from having a brass gearbox retaining piece, part No. 08972 to having the type held to the gearbox with a retaining washer and three bolts, part No. 232570. See also 1950 gearbox number 06106001 in the Gearbox part changes section.

R06106035 Despatched In 29/12/1949
The voltage regulator is changed from RF 96 type to RF 95 type. As the RF 95 voltage regulator has two built in fuses, the fuse box is no longer fitted from this chassis number onwards. The wiring harness is changed to suit new regulator. The fuse is change from 25 amp to 35 amp. The voltage regulator changed again on the 1951 model at chassis No. 16103899.

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This change in the Voltage Regulator is also loosely covered in Lucas ‘Land Rover’ Spare Parts Lists. List CE456 of April 1949, page 6, has a picture and Lucas part number listings of the RF96 only where the later list for the 1950 Land Rover CE648, page 3, has a picture of the then latest spec RF95, but lists the Lucas part numbers of the RF96 as well as the RF95.

Click here for the Lucas CE456 Land Rover Parts List, April 1949

Click here for the Lucas CE648 Land Rover 1950 Parts List, February 1951

R06110305 Despatched In 05/04/1950
The seat back rests changed from being the sprung shovel style back part No. 301111 to the hinged spade style back part No. 301997. The seat back rests changed again on the 1952 model at chassis No. 26102281. The rear body back rest is now stepped in to suit the new seat backs. The galvanised body capping, spare wheel clamp, door striking plates and the door stops are changed to suit the rear body changes. The door stops and the galvanised capping changed again on the 1950 model at chassis No. 06114761.

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R06110348 Despatched In 30/03/1950
The R prefix on the chassis number to distinguish a right hand drive vehicle from left hand drive is dropped from chassis number on the ‘Home’ market vehicles. Export vehicles keep the R and/or L prefix for the remainder of 1950 model production.

06110749 Despatched In 12/04/1950
The two special bolts holding the windscreen frame to the bulkhead, part No. 300896, are changed to two pivot pins, part No. 302042. The windscreen fasteners changed again on the 1950 model at chassis No. 06115323.

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L06111064 Despatched In 18/04/1950
The exhaust silencer assembly no longer has an integral rear support bracket. A separate rear bracket now supplied, part No. 233618. See also 1951 model chassis number 16100603

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R06111528 Despatched In 28/04/1950
The choke control bracket is changed so that the L shaped bracket piece used to bolt the choke control bracket to the bulkhead is no longer fitted. The choke lever now bolts the choke control bracket to the bulkhead itself. The bulkhead now has two less holes around the choke hole. See also the previous choke control bracket change at 1950 chassis No. 06104683.

R06111547 Despatched In 02/05/1950
The headlights evolved from the Lucas L-WD-HO type, that are tucked behind the front ‘Full Grille’, to being the Lucas F700 type that stick through the front Grille. The Full Grilles themselves had evolved slightly since 1948. The first style, ‘Early Grille’ being 27 squares across and with gaps in the wire on the outer edge of each screw tab, and the tab joining the wire below it. This type lasted generally until late December 1948/early January 1949. The second style ‘intermediate’ Grille, is almost the same as the early Grille but wires run on the outer edge of the tabs. It appears around late November 1948 and occasionally through 1949. The ‘Normal’ Full Grille is 26 squares across and the screw tab does join the wire below it. It first appears around January 1949. The Lucas F700 headlamp Grille has no know variations to the one pictured here.

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The Grille panel and wiring loom are changed to suit the new headlights as is the optional chaff guard for the radiator. The wiring clips on the grille panel change to clip in type from bolted. The main wiring harness changed at this point so the wire for the windscreen wiper motor runs in above an extra hole above the steering column and no longer through the armoured cable above the right hand side light.

L06111806 Despatched In 05/05/1950
The L.H.D hand brake lever is changed from the bakealite handle type with the big button, part No. 218400, to being plain steel handle type with a small button, part No. 232179. See chassis No. 06105378 for R.H.D hand brake lever change.

06112001 Despatched In 05/05/1950
The front axle design has been changed to incorperate cone damping bearings in the upper swivel pins. These were origingally tapper roller bearings. This change is covered by Rover Service Bulletin 5124 – F1 Front Axle : Swivel Pin Damping. See also the change at front axle number 06113205.

They also changed the painting process of the vehicles at this point due to an issue with paint falling off the vehicles. An Internal Service Bulletin 50015 covers this change. See below.

Click here for Rover Service Bulletin 5124

Click here for Rover Service Bulletin (Internal) 50015.

06113530 Despatched In 19/06/1950
The front road springs changed from being 1.75″ wide and with the shackles at the front of the road springs, to being 2.5″ wide with the shackles at the rear of the road springs. The spring bushes, shackle pins and the chassis changed to suit the new front road springs. The chassis changes again on the 1952 model at the start of that years production.

L06114761 Despatched In 20/07/1950
The separate door stops which are bolted to the front side of the rear body are no longer fitted. The door stops are now built into the front corner pieces of the galvanised capping, hence those corner pieces are changed from part No.’s 301979 R.H and 301980 L.H to part No. 302249 R.H and 302250 L.H.

L06115323 Despatched In 20/07/1950
The two pivot pins holding windscreen to the bulkhead, part No. 302042, are changed to two special bolts and nut part No. 234829.

L06115440 Despatched In 01/09/1950
Last Production vehicle in this sequence.

1951 Land-Rover Basic model changes

16100001 Despatched In 27/07/1950
16160001; 16660001; 16130001; 16630001
The chassis numbering sequnces changed to allow seperate sequences for all models, export and CKD Basic models. Rover Service Bulletin 5130, 31/07/1949, Titled, U5 Numbering: 1951 Land-Rover and Unit Numbers, covers the introduction of the 1951 Model Land Rover Production. Rover Service Bulletin 5134 was also issued on the 13/07/50 covering the latest specification of the new 1951 models. This Bulletin is titled, W3 Specification: 1951 Land Rover Technical Specification. This Bulletin does however list one difference and refers the reader back to Bulletin W2 for the specification of the 1950 which is available on this list at chassi number R06100001

Click here for Rover Service Bulletin 5130.

Click here for Rover Service Bulletin 5134.

16100603 Despatched In 23/11/1950
16160909; 16660787; 16131573; 16630025
A number of very significant change occured here. The gearbox changed from having the constant four wheel drive ‘freewheel’ transfer box to the selectable two/four wheel drive transfer box. The transfer box instruction plate fitted to the bulkhead changed to suit the new transfer box and include the Car No. (VIN) on it. Hence the earlier Car No. plate fitted under the left hand side of the bulkhead is no longer fitted. See also the change at gearbox No.’s 16102314 and 16131688. This change is covered also in Rover Service Bulletin 5138, Q1 Controls : Land Rover Alteration to Transmission Controls. The exhaust silencer assembly for L.H.D vehicles is changed so that the exhaust exists on the drivers side. R.H.D stays exiting were it was on its drivers side. The battery box changed from the type with the high sides part No. 218036, to the type with the low sides and top battery support held with three wing nuts, part No. 232550.

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Click here for Rover Service Bulletin 5138

16101420 Despatched In 01/01/1951
16161310; 16661407; 16132794; 16630043
The catches for holding the windscreen upright changed from being the straight type, part No. 300543, to the curved type, part No. 302377.

16101483 Despatched In 04/01/1951
16661318; 16661423; 16132863; 16630043
The windscreen fasteners on bonnet, that are used to hold the windscreen down when it is in its horizontal position are changed from being forward facing and being bolted to the bonnet, part No. 300692 to being rearward facing, and bolted to the bonnet to the bonnet windscreen supports, part No. 302326.

16101656 Despatched In 22/01/1951
16161502; 16661477; 16133214; 16630043
The dash panel warning lights (Choke & Ignition) are now all coloured plastic end to end. The oil pressure warning light is now green instead from being red with “OIL” on it. The dash panel changed slightly to suit the new warning lights The wiring harness changed to suit the new warning lights. In the sequence Ignition, choke & oil the earlier part numbers were 238018, 238020 & 217645 and changed to 234995, 234996 & 234997. Wiring harness changed to suit the warning light changes. The dash panel warning lights changed again on the 1952 model chassis No. 26105067.

16102849 Despatched In 16/04/1951
16162141; 16661897; 16134922; 16630079
The accelerator pedal shaft is lengthened to accommodate a distance piece, part No. , 234635. On R.H.D vehicles the cross shaft for the accelerator changed from from the right side of bulkhead to the left, to being shortened and on the right hand side only. The accelerator cross shaft set up on L.H.D vehicles stayed similar to what it was.

16103311 Despatched In 25/05/1951
16162551; 16661974; 16135971; 16630079
The door top hinges change from being the Y shaped wire type which is welded to the door top, to being a bolt on triangular shaped hinge, part numbers 304100 R.H & 304101 L.H. On earlier vehicles where the Y shaped hinges have broken off, new bolt on type hinges were available as part numbers 301916 R.H & 301917 L.H with two adaptor plates, part No. 301918. The windscreen hinge part changed on the 1952 model at chassis No. 26105443. the door tops changed again on the 1952 model chassis No. 26100001.

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16103899 Despatched In 27/06/1951
16163018; 16662023; 16136866; 16630079
The front wings changed from being two piece (inner and outer) and being bolted together to being one piece, the inner and out now spot welded together. The parking lights are moved from being on the top corner of the bulkhead to being on the front wings *. The exterior rear vision mirror changed from being bolted to the windscreen to being bolted the drivers side front wing. The mirror head also changed from part No. 230674 to being part No. 262657. The voltage regulator changed from being the one with two integral fuses, the RF 95 type to being the RB 106 type which is plain and without the fuses. The single fuse box as fitted to vehicles numbered 860001 to 06106035 returns. the wiring harness changes to suit the new regulator. The clip holding the tail light is changed and moved form being on the chassis rail to being on the body.

* US delivered Land Rovers were always fitted with parking lights in the wings.

16103971 Despatched In 12/07/1951
16163268; 16662322; 16137601; 16630078
The last vehicles in each sequence.

1952 Land-Rover Basic model changes

26100001 Despatched In 25/07/1951
26160001; 26660001; 26130001; 26630001
To start with the front grille is now the inverted T style of grille, part No. 302567 from being the head lights sticking through the grille style. The grill panel changed to suit the new grille. The doors now have exterior door handles and the canvas flaps needed on the door tops for opening the earlier doors with out the exterior door handles are no longer fitted. The chassis now has two transverse bracings added underneath the rear body floor. The rear floor L shaped bracings are shortened to clear chassis bracings. The chaff guard for radiator changed to suit new grille. Rover Service Bulletin 5156, on 01/08/1951, titled 2/U1 Numbering: 1952 Land Rover and Unit Numbers covers the sequences used on the 1952 models.

Click here for Rover Service Bulletin 5156.

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26102281 Despatched In 23/11/1951
26161500; 26660355; 26131714; 26630151
The seat backs are changed from being the curved spade back style part No. 301997 the square style of seat back part No. 302609. The hinges for the new backs are different also. The strengthening pieces on the rear body for the seat backs changed to suit the new seat backs.

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26103805 Despatched In 05/02/1952
26162028; 26660427; 26132971; 26630224
The door top perspex windows changed. They were the plain type with an oval hole used for sliding opening the window, part No. 300939 for the fixed window and part No. 300940 for the sliding window. The new windows are distinguishable by the small strip of aluminium placed at each end of the perspex, part No. 302619 for the fixed window and part No. 304020 for the sliding window. A plastic knob is now glued to the sliding window for opening it.

26104673 Despatched In 13/03/1952
26162549; 26660973; 26133129
The spring clip for the bonnet prop is changed. This later spring clip is noticeably shorter than the earlier spring clip. No left hand drive C.K.D’s listed at this change due to Minerva production not using these parts.

26105067 Despatched In 02/04/1952
26162760; 26660967; 26133551; 26630632
The dash panel warning lights changed from being all coloured plastic, to having a black exterior, ie back to what they were before 1951 chassis No. 16101656 except for the oil pressure light and that the coloured piece is now glass instead of plastic. In the sequence Ignition, choke & oil the earlier part numbers were 234995, 234996 & 234997 and changed to 238018, 238020 & 238019. The dash panel changed slightly to suit the new warning lights.

26105266 Despatched In 14/05/1952
26163184; 26661009; 26134674; 26631180
The seat cushion for the optional rear seats for ‘export models only’ changed somehow. The parts book indicates that the newer cushion is more well padded. The strap for holding the seat upright is lengthened a inch to suit the change. These seats where also fitted British military vehicles.

26105377 Despatched In 10/06/1952
26163400; 26661015; 26135479; 26631986
The rear body floor is changed so that the three aluminium cross pieces underneath the rear body floor that were L shaped are now C section.

26105443 Despatched In 27/06/1952
26163456; 26661021; 26135779; 26631953
The hinge part for the door tops which is bolted to the windscreen is changed so that it is able to be adjusted forwards or backwards slightly. The earlier hinges are part No. 300684, the later hinges are part No. 304104.

26105569 Despatched In 04/07/1952
26163614; 26661092; 26136424; 26631985
Last vehicles in each sequence.

1953 Land-Rover Basic model changes

36100001 Despatched In 10/07/1952
36100134; 36160091; 36130225
The optional vehicle heater changed from being the type with the two small fan doors to the type with the open front for the fan. The windscreen demisters are now an optional extra.

36101070 Despatched In 24/09/1952
36160652; 36660289; 36130779; 36631331
The rubber grommet for the exterior door handle is changed somehow. It isn’t clear exactly how.

36101221 Despatched In 06/10/1952
36160744; 36660229; 36130949; 36630167
The part book shows that one front shock absorber and one rear shock absorber changed somehow!

36103433 Despatched In 19/03/1953
36162792; 36661341; 36133245; 36633498
The inner steering column and nut changed from having a bronze steering nut. Part No. 261425, for the right hand drives and part No. 261426, for the left hand drives, to having a case hardened inner column and steel steering nut, part No. 242302, for the right hand drives and part No. 242303 for the left hand drives. This change is covered by Rover Service Bulletin 5193, 2/G3 Steering Inner Coloumn and Nut.

Click here for Rover Service Bulletin 5193

36104122 Despatched In 16/07/1953
36164007; 36662240; 36134613; 36637268
Last vehicle in each sequence.

Land Rover engine numbers follow along the lines of the chassis number sequence, except in the case of 1949 models when the engine gearbox and axles stayed in the previous 1948 sequence. The engine number is found on the left hand side of the engine on the flat face just above the exhaust valve rocker cover and beside the exhaust manifold at the front of the engine.

The first Land Rover engine is the 1595cc 4-cylinder version of Rover’s inlet over exhaust then very new engine layout. The basic speification of the engine are as follows.

Bore                                  69.5 mm
Stroke                              105 mm
Capacity                          1595 cc
Compression Ratio         6.8:1
B.H.P.                              50-55 @ 4000 RPM
Torque                             80lb/ft @ 2000 RPM

1948/49 model Land Rover Engine Changes

860001
The inital Land Rover Technical Specification for 1948 is covered in Rover Service Bulletin 5012, Land Rover 1948 : Brief Technical Specification.

Click here for Rover Service Bulletin 5012

860645
The filter for the oil pump changed from having 5 threads to 3 threads, in order to help locating it whilst refitting the filter after cleaning. Rover Service Bulletin 5022 from the 14/10/1948 covers this change.

Click here for Service Bulletin 5022

861872
Some minor parts on the carburettor changed. The accelerator pump changed from having the long pump arm, to having a short pump arm. The throttle lever changed as well as the accelerator pump actuating rod. The main jet changed from being 102.5 to being 107.5. Original carburettors are easy to distinguish. They are date stamped on the carburettor main body. The series all start with L. They then have another single letter being from A to L excluding I. This means the month, A, being January and so on. Then the year is stamped 48, 49 and so on.

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These changes are also covered in Rover Service Bulletin 5037 from the 17/01/1949.

Click here for Rover Service Bulletin 5037

862234
The Lucas starter motor changed from being the M418 G/C type to being the M418 G/76 type. The details of the starter motor are stamped on the main starter body. These are date stamped in the fashion 3 49 meaning March 1949 and so on. The main difference between the two starters is that an adaptor plate was dropped from the back.

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862600
The Petrol Drain Pipe is no longer fitted to the underside of the inlet manifold. The second page of Rover Service Bulletin 5118 A2 Engine : Dust Proofing from 06/01/1950 instructs owners of vehicles with earlier engines to remove the drain pipe and replace it with a plug.

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865550
A rubber sealing strip has been added to the rear of the sump. The early sealing of sump was sometimes found to be inadequate in extreme conditions.

865714
The dipstick changed from being the early type with the small washer at to the top to being the type with the large washer at the top and small felt seal.

867432
The nuts holding the main bearing caps to the engine block changed from being with self locking nuts to being held with castle nuts and split pins. The studs now have holes for the split pins to go through.  

867641
The top engine rocker cover changed from having inset studs holding to the cylinder head to having raised points for the studs to hold the rocker cover to the cylinder head.

1950 model Land Rover Engine Changes

06100001
The Land Rover Technical Specification for 1950 is covered in Rover Service Bulletin 5105, W2 Specification : 1950 Land Rover Technical Specification.

Click here for Rover Service Bulletin 5105

06100201
The clutch changed from being the Rover type to the Borg and Beck type. The Rover type clutch is held to the flywheel with eight nuts and the Borg and Beck type is held to the flywheel with six nuts, hence the flywheel is also different. See also gearbox No. 06100201 in the Gearbox part changes section. The clutch changed again on the 1953 model at engine No. 36100885.

06106532
The rear bolt for the dynamo changed from being 5/16 x 1.5″ long to being 5/16 x 1 19/32″ long.

06106720
The rubber inlet valve seal changed from being in the valve spring cup part No. 210517 to being in the valve guide part No. 233427. The valve guide changed as well to suit the new seal from part No. 217870 to part No. 233643. This change is covered extensively on the second page of Rover Service Bulletin 5125 A4 Engine : Excessive Oil Consumption from the 17/05/1950.

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06111606
The three long bolts holding the thermostat housing to the cylinder head are changed from being the special type which can hold the engine governor, part No. 232955 to being three normal bolts 5/16 x 11/16″ long

06112001
The oil filter inlet and out let pipes changed. I think that they were lengthened a little so that it would make the oil filter easier to remove. The fan pulley was changed from being the type with two grooves, one for the fan belt and the other for the engine governor drive belt, part No. 218563, to being the type with one groove, part No. 230492 except when an engine governor is fitted and then two belt pulley is used.

06115161
The thermostat housing changed from being the type with two plugs on the left hand side, one for the heater pipe and the other for the temperature gauge sender, part No. 212379 to being the type with no extra plugs, part No. 233483. If you wish to fit a heater or a temperature gauge then you need to get one of the thermostat housings with the two plugs.

1951 model Land Rover engine changes

16100001; 16130001
The Land Rover Technical Specification for 1951 is covered in Rover Service Bulletin 5134, W3 Specification : 1951 Land Rover Technical Specification.

Click here for Rover Service Bulletin 5134

16100646; 16130655
The oil supply pipe to the cylinder head is changed from being the type with removable oil pressure switch junction, part No. 212360, to being the type with the built in oil pressure switch junction, part No. 233522.

16101154; 16130774
The locating bolt for the distributor that bolts in the side of the distributor housing is no longer fitted. The casting space for it is left in the distributor housing for a while after.

16102272; 16131649
The sump changed from being the square type, part No. 231481, to being the curved type of sump part No. 233444. The oil pump changed from being the type with the removable round gauze filter, part No. 214989 to being the type with the dish shaped filter inside the sump, part No. 234310. The oil pump drive shaft, part No. 09053 was shortened to suit the new shorter curved sump oil pump. It is now part No. 234288. The dipstick changed to suit the new sump. The dipstick changed again at engine No. 26100201. The oil pump drive shaft changed again on the 1951 model at engine No. 16105728.

16102348; 16131725
The top rocker cover breather changed from being the rounded adjustable type, part No.’s 213887 to 213890, to being the single hexagonal shaped type, part No. 234613. The top rocker cover breather changed on the 1952 model at engine No. 26100201.

16102462; 16131765
The piston scraper rings changed from having two of the same ring per piston, to having a stepped scraper ring and a maxilite scraper ring. The pistons also changed to having two horizontal grooves in each side of the piston.

16105728; 16134269
The oil pump/ distributor drive changed from being a one piece shaft, part No. 234288, with the distributor drive dog held on by a locating pin, to being a two piece shaft. The longer oil pump shaft is part No. 235083, and the shorter distributor drive shaft is part No. 233681.

1952 and 1953 model Land Rover engine changes

26100001; 26130001
The engine is now the 2-litre engine as of the 1952 model. This is the Siamese bore type engine. The basic engine specification that changed are

Bore                           77.8 mm
Capacity                     1997cc
Compression Ratio    6.8:1
Torque                       101 lb./ft @ 1500 RPM

The Land Rover Technical Specification for 1952 is covered in Rover Service Bulletin 5157, 2/W1 Specification : 1952 Land Rover Technical Specification.

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26100201
The top rocker cover changed from having the hexagonal shaped breather on the far end, part No. 234613 to having the large dome shaped breather extruding out the front of the top rocker cover. The side rocker cover, part No. 216680 is changed from having the bolt on alloy oil filler, part No. 218799 to having an oil filler which is integral with the side cover, part No. 236003. The oil filler lid is a domed breather for the crank casing similar to the new top rocker cover breather. The previous crank case breather par No. 232454 which is on the right hand side of the engine block is no longer fitted. The pipe from the air filter to the carburettor are changed from the type with the extra holes in them for the early breather system, to being the type with no extra holes. The dipstick changes from the heavy short type, part No. 233460, to being the long skinny wire style dipstick part No. 237563.

26110172; 26138074
The oil pressure switch changed somehow. It was part No. 217644 and is now part No. 240526

36100885; 36130877
The clutch plate changed somehow. It isn’t clear how it changed. The lining is still the same so presumably the clutch plate springs were changed.

Once again Land Rover gearbox numbers follow on the same lines of the chassis number sequence, except in the case of 1949 models when the engine gearbox and axles stayed in the previous 1948 sequence. The gearbox number can be found on the top right side of the gearbox casing, beside where the transfer case bolts on. This top piece is removable and is occasionally lost. Gearbox part changes are quite extensive and include changes in the transfer box including the change from constant four wheel drive to selectable two/four wheel drive.

The design behind the gearbox of the Land Rover was taken straight from the Rover cars of the day. One of the more elaborate parts of the earliest Land Rovers is the transfer box. The earliest vehicles used a Rover car freewheel in the front output to power the front differential. This makes them constant four wheel drive. This works much like a bicycle ratchet in that it the freewheel not only supplies power but also allows for the front wheels to override that power when they start changing speed in relation to the rear wheels when going around a corner. A lock is provided for locking the freewheel when four wheel drive is needed in reverse. On a hard surface reversing and turning causes serious gearbox windup as the freewheel doesn’t do its job in reverse which resulted in it being dropped from the specification on the 1951 model.

1948 and 1949 model Land Rover Gear & Transfer Box  changes

861989
The front out put on the transfer box is made up out of two separate casings. The inner casing is the housing for the freewheel unit. The outer casing is the remains of a pre production two wheel drive/ four wheel drive selector which meant that the Land Rover could have had road going two wheel drive, Road going four wheel drive and locked four wheel drive in high or low ratio. This system was simplified to be constant four wheel drive in all forward gears with the key ring operating a lock on the freewheel for four wheel drive in reverse on low ratio only. On the first 1988 gearbox’s the outer casing on the front output inside still had the dog to operate the selectable two/four wheel drive but with a spacer to stop it being selectable. These parts were removed from the gear box 861989 onwards and a complete front output shaft fitted from the freewheel. The ring pull for four wheel drive in reverse changed at gearbox No. 06104015. See also the changes at gearbox No. 16102314 and 16131688.

862381
The plate on the top of the transfer case with the oil filler plug is now held with four 1/4 Whit x 3/4″ bolts instead of four screws  

1950 model Land Rover Gear & Transfer Box  changes

06100201
The clutch withdrawal mechanism changed so it can operate the Borg and Beck clutch. See the change at Engine No. 06100201  

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06104015
The ‘Ring Pull’ operrating lever for the freewheel lock for four wheel drive in reverse is changed to be a push down lever with a yellow knob for locking the freewheel in reverse. See also the change at chassis No. 06103885, on the basicmodel, at chassis No. 06200094, on the station wagon and at chassis No. 06300022 on the welder model.  

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06106001
Third gear changed from being the ratio 1.490:1 to being the ratio 1.377:1. It The drive for the speedometer changed from being type the bronze slot in type fitting to being held with three small bolt type of speedometer cable fitting. See also the change at chassis No. 06105831, on the basicmodel, at chassis No. 06200141, on the station wagon and at chassis No. 06300031 on the welder model.  

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06106829
Primary pinion and constant gear changed to suit a new clutch withdrawal mechanism. The operating shaft on the mechanism changed from having corse splines to having fine spines. The oil retaining parts for the clutch changed in side the withdrawal mechanism. The Primary pinion and constant gear changed in that out put has a small section of thread to keep the oil from weeping out along the shaft.  

1951 model Land Rover Gear & Transfer Box  changes

16102314; 16131688
The transfer box has been completely changed to being the selectable two/ four wheel drive from the constant four wheel drive freewheel gearbox. This operational side to this change is covered in Rover Service Bulletin 5138 Q1 Controls : Land Rover Alteration to Transmission Controls The housing for the speedometer drive changed to suit the new transfer box. See also Basicmodels, 16100603, 16160909, 16660787, 16131573 and 16630025, Station wagons No.’s 16200001, 16260021 and 16230081 and welders No.’s 16300003, 16360007 and 16330002.  

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16102393; 16131730
The shield for the primary pinion, part No. 01017 is now fitted before the locking washer on the pinion shaft.  

1952 model Land Rover Gear & Transfer Box  changes

26100201
The bell housing on the front of the gearbox changed do with a change in the grommet that cover the right hand drive clutch operating shaft hole  

26101202; 26130387
The cover for the seal on the front output shaft flange from the transfer box changed from being a dust shield, part No. 232669 to being a mud shield, part No. 236074.  

26100908; 26130287
The gearbox mounting arms changed so that the hole for the top rubber is now a bolt on part held by two nuts instead of being the type which were all welded together.  

26101454; 26130447
The rear transfer case oil seal now has a mud shield, part No. 236074 added to it in behind the hand brake drum.  

26110020; 26137678
The bronze distance sleeve for the mainshaft between second and third gear is changed to be thicker an try to stop premature failure. Second and third gears were narrowed to be able to accomodate the wider distance piece.  

The Land Rover axle numbers follow the chassis number sequence, except in the case of 1949 models when the engine gearbox and axles stayed in the previous 1948 sequence. The axle number is found on the left hand side of the differential casing. It is on the top which can make the rear axle hard to read. It is sometimes stamped on the rear side of some late 1953 axle casings to make it more visible. Axle changes include changes to the front swivels.

The Land Rover axles used the Rover differentials and even though they all remained similar a few changes where made over the years.

1948 and 1949 model Land Rover Axle Changes

861320
The differential ratios changed. They were 4.88:1 and are now 4.7:1. The differentials changed again at axle No. 06106001.  

867721
The braking system changed quite substantially. They were firstly Hydrostatic which means they are self adjusting. The brake fluid making the adjustment. The hydrostatic wheel cylinders have a 1 3/8″ bore on the front and a 1 1/8″ bore on the rear. The brakes changed to being manually adjustable with a snail adjuster on each leading brake shoe. The bore of these wheel cylinders are 1 1/4″ on the front and 1″ on the rear. For those more interested have a look at the parts books. This change is noted to occured at vehicle R8667575. See Land Rover Basic Model Changes for further details 

1950 model Land Rover changes

06106001
The differentials changed in many minor ways. The bearings changed from roller bearing to taper roller bearings. The most visible difference is that driving flange changed from being round and long, to being square and short. The propeller shafts were lengthened to make up for the shorter drive flanges.  

06113205
The top bearing of the swivel housing changed from being taper roller bearing to being a spring loaded bush style bearing. The top swivel pins changed to suit the new bearings. This change is covered by Rover Service Bulletin 5124 – F1 Front Axle : Swivel Pin Damping. See also the change at Basic Vehicle number 06112001.  

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06114001
The front axle casing changed so that the spring seat is now 2.5″ wide having previously being 1 3/4″ wide to be in line with the 2.5″ wide springs that became available from Basic model No. 06113530, Station wagon No. 06200410 and Welder No. 06300031.  

1949 model Land Rover Station Wagon changes

L8670001 Despatched In 31/05/1949
The First Vehicle in this Production Sequence. Rover Service Bulletin 5031, on 01/12/1948 annouced the 1949 Land Rover Station Wagon Serial Numbering. This was reconfirmed with Rover Service Bulletin 5038, on the 11/02/1949.

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Click here for Rover Service Bulletin 5038

L8670070 Despatched In 30/09/49
Last Vehicle in Production Sequence.

1950 model Land Rover Station Wagon changes

R06200001 Despatched In 14/10/1949
First vehicle in this production sequence

R06200010 Despatched In 31/10/1949
The bolts fixing the shock absorbers and the exhaust bushes are changed from being welded to the chassis to being plain bolts that are removable from the chassis.

R06200016 Despatched In 31/10/1949
The elbow on top of the carburettor is changed from being the fully rounded type, part Nº 218182, to being the partly oval shaped type, part Nº 231494.

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L06200092 Despatched In 20/12/1949
The brackets for bolting the bumper bar to the chassis are now welded to the bumper bar from being welded to the chassis. The bumper is now held with four bolts. It was previous held with eight bolts. The rear draw bar is change from being welded to the chassis and being ten holes wide, to being bolted to the chassis and eight holes wide.

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L06200094 Despatched In 21/12/1949
The right hand floor plate is changed so that it doesn’t have the circular cut out for the ring pull freewheel lock. The gear box cover is changed to have the yellow ‘push down’ lever bolted to it which now locks the freewheel unit. See also the 1950 gearbox Nº 06104015.

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L06200106 Despatched In 06/01/1950
The L shaped bracket used to bolt the choke control bracket to the bulkhead is changed from being bolted to the choke control bracket to being spot welded to it. The choke control bracket changed again on the 1950 station wagon at chassis Nº 06200312

L06200121 Despatched In 27/01/1950
The R.H.D hand brake lever is changed from the bakealite handle type with the big button, part Nº 218379, to being plain steel handle type with a small button, part Nº 231316. See chassis Nº 06200325 for L.H.D hand brake lever change.

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L06200140 Despatched In 01/02/1950
The voltage regulator is changed from RF 96 type to RF 95 type. As the RF 95 voltage regulator has two built in fuses, the fuse box is no longer fitted from this chassis number until 1951 model at chassis Nº 16103899. The wiring harness is changed to suit the new regulator. The fuse is change from 25 amp to 35 amp.

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L06200141 Despatched In 10/02/1950
The speedometer is cable changed from having a brass gearbox retaining piece, part Nº 08972 to having the type held to the gearbox with a retaining washer and three bolts, part Nº 232570. See also 1950 gearbox number 06106001.

L06200177 Despatched In 17/03/1950
The two supports for the rear upper tail gate are changed from having a separate support stay, to having an integral support stay.

06200265 Despatched In 26/04/1950
The R and L prefix on the chassis number to distinguish a right hand drive vehicle from left hand drive is dropped from chassis number.

L06200287 Despatched In 10/05/1950
The exhaust silencer assembly no longer has an integral rear support bracket. A separate rear bracket now supplied, part Nº 233618.

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06200301 Despatched In 16/05/1950
The rear tail board of the station wagon changed considerably. The parts book indicates that it has been simplified somewhat.

L06200312 Despatched In 24/05/1950
The headlights evolved from the Lucas L-WD-HO type, that are tucked behind the front ‘Full Grille’, to being the Lucas F700 type that stick through the front Grille. The Full Grilles themselves had evolved slightly since 1948. The first style, ‘Early Grille’ being 27 squares across and with gaps in the wire on the outer edge of each screw tab, and the tab joining the wire below it. This type lasted generally until late December 1948/early January 1949. The second style ‘intermediate’ Grille, is almost the same as the early Grille but wires run on the outer edge of the tabs. It appears around late November 1948 and occasionally through 1949. The ‘Normal’ Full Grille is 26 squares across and the screw tab does join the wire below it. It first appears around January 1949. The Lucas F700 headlamp Grille has no know variations to the one pictured here.

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The choke control bracket is changed so that the L shaped bracket piece used to bolt the choke control bracket to the bulkhead is no longer fitted. The choke lever now bolts the choke control bracket to the bulkhead itself. The bulkhead now has two less holes around the choke hole. See also the previous choke control bracket change at 1950 chassis Nº 06200106.

L06200325 Despatched In 06/06/1950
The L.H.D hand brake lever is changed from the bakealite handle type with the big button, part Nº 218400, to being plain steel handle type with a small button, part Nº 232179. See chassis Nº 06200121 for R.H.D hand brake lever change.

L06200410 Despatched In 17/07/1950
The front road springs changed from being 1.75″ wide and with the shackles at the front of the road springs, to being 2.5″ wide with the shackles at the rear of the road springs. The spring bushes, shackle pins and the chassis changed to suit the new front road springs.

R06200480 Despatched In 01/09/1950
Last vehicle in this production sequence.

1951 model Land Rover Station Wagon changes

16260001, 16230001 Despatched In 31/08/50
The 1951 Model Station Wagon Sequence was confirmed in Rover Service Bulletin 5130, U5 Numbering : 1951 Land Rover and Unit Numbers. Note however the ‘Home’ Sequence remained unused. Only Right and Left Hand Drive Export vehicles were produced.

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16260020, 16230080 Despatched In 09/01/51
Last vehicles in Production Sequence

1949 model Land Rover Mobile Welder changes

R8680001 Despatched In 10/08/49
First Production Vehicle in this sequence.
This Welder Chassis number sequence was annouced with Rover Service Bulletin 5038, on the 11/02/1949.

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R8680010
Last Vehicle in production sequence.

1950 model Land Rover Mobile Welder changes

R06300001 Despatched In 08/11/1949
First production vehicle in this sequence.
The bolts fixing the shock absorbers and the exhaust bushes are changed from welded to the chassis to being plain bolts that are removable from the chassis. The elbow on top of the carburettor is changed from being the fully rounded type, part Nº 218182, to being the partly oval shaped type, part Nº 231494.

R06300022 Despatched In 23/03/1950
The brackets for bolting the bumper bar to the chassis are now welded to the bumper bar from being welded to the chassis. The bumper is now held with four bolts. It was previous held with eight bolts. The rear draw bar is change from being welded to the chassis and being ten holes wide, to being bolted to the chassis and eight holes wide. The right hand floor plate is changed so that it doesn’t have the circular cut out for the ring pull freewheel lock. The gear box cover is changed to have the yellow ‘ push down ‘ lever bolted to it which now locks the freewheel unit. See also the 1950 gearbox Nº 06104015. The L shaped bracket used to bolt the choke control bracket to the bulkhead is changed from being bolted to the choke control bracket to being spot welded to it.

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06300028 Despatched In 20/04/1950
The R.H.D hand brake lever is changed from the bakealite handle type with the big button, part Nº 218379, to being plain steel handle type with a small button, part Nº 231316. The hood bows changed from being the flat top type, part Nº 301121, to being the curved top type, part Nº 301892. The full length hood changed to suit the new hood bows.

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06300030 Despatched In 17/03/1950
Last production vehicle in this sequence.
The exhaust silencer assembly no longer has an integral rear support bracket. A separate rear bracket now supplied, part Nº 233618.

1951 model Land Rover Mobile Welder changes

16300001; 16360001; 16330001
First Production Vehicles in this sequence

16300003; 16360007; 16330002
A number of very significant change occured here. The gearbox changed from having the constant four wheel drive ‘freewheel’ transfer box to the selectable two/four wheel drive transfer box. The transfer box instruction plate fitted to the bulkhead changed to suit the new transfer box and include the Car No. (VIN) on it. Hence the earlier Car No. plate fitted under the left hand side of the bulkhead is no longer fitted. See also the change at gearbox No.’s 16102314 and 16131688. The exhaust silencer assembly for L.H.D vehicles is changed so that the exhaust exists on the drivers side. R.H.D stays exiting were it was on its drivers side. The battery box changed from the type with the high sides part No. 218036, to the type with the low sides and top battery support held with three wing nuts, part No. 232550.

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16300003; 16360008; 16330003;
The door top hinges change from being the Y shaped wire type which is welded to the door top, to being a bolt on triangular shaped hinge, part numbers 304100 R.H & 304101 L.H. On earlier vehicles where the Y shaped hinges have broken off, new bolt on type hinges were available as part numbers 301916 R.H & 301917 L.H with two adaptor plates, part Nº 301918. The windscreen hinge part changed on the 1952 model at chassis Nº 26300014. The door tops changed again on the 1952 model chassis Nº 26300001.

16300003; 16360008; 16330003;
The dash panel warning lights (Choke & Ignition) are now all coloured plastic end to end. The oil pressure warning light is now green instead from being red with “OIL” on it. The dash panel changed slightly to suit the new warning lights The wiring harness changed to suit the new warning lights. In the sequence Ignition, choke & oil the earlier part numbers were 238018, 238020 & 217645 and changed to 234995, 234996 & 234997. Wiring harness changed to suit the warning light changes. The dash panel warning lights changed again on the 1952 model chassis Nº 26105067. The catches for holding the windscreen upright changed from being the straight type, part Nº 300543, to the curved type, part Nº 302377. The windscreen fasteners on bonnet, that are used to hold the windscreen down when it is in its horizontal position are changed from being forward facing and being bolted to the bonnet, part Nº 300692 to being rearward facing, and bolted to the bonnet to the bonnet windscreen supports, part Nº 302326.

16300004; 16360008; 16330003;
The accelerator pedal shaft is lengthened to accommodate a distance piece, part Nº, 234635. On R.H.D vehicles the cross shaft for the accelerator changed from from the right side of bulkhead to the left, to being shortened and on the right hand side only. The accelerator cross shaft set up on L.H.D vehicles stayed similar to what it was. The cross shaft itself changed somehow.

1952 model Land Rover Mobile Welder changes

26300001; 26360001; 26330001
First Production Vehicles in this sequence
To start with the front grille is now the inverted T style of grille, part Nº 302567 from being the head lights sticking through the grille style. The grill panel changed to suit the new grille. The doors now have exterior door handles and the canvas flaps needed on the door tops for opening the earlier doors with out the exterior door handles are no longer fitted. The chassis now has two transverse bracings added underneath the rear body floor. The rear floor L shaped bracings are shortened to clear chassis bracings. The chaff guard for radiator changed to suit new grille.

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26300002; 26360002; 26330009
The seat backs are changed from being the curved spade back style part Nº 301997 the square style of seat back part Nº 302609. The hinges for the new backs are different also. The strengthening pieces on the rear body for the seat backs changed to suit the new seat backs.

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26300007; 26330012;
The dash panel warning lights changed from being all coloured plastic, to having a black exterior, ie back to what they were before 1951 chassis Nº 16101656 except for the oil pressure light and that the coloured piece is now glass instead of plastic. In the sequence Ignition, choke & oil the earlier part numbers were 234995, 234996 & 234997 and changed to 238018, 238020 & 238019. The dash panel changed slightly to suit the new warning lights.

26300014
The hinge part for the door tops which is bolted to the windscreen is changed so that it is able to be adjusted forwards or backwards slightly. The earlier hinges are part Nº 300684, the later hinges are part Nº 304104.

1953 model Land Rover Mobile Welder changes

36300001; 36360001; 36330001
First Vehicles in Production sequence.

36300004; 36360003; 36330005
The rubber grommet for the exterior door handle is changed somehow. The part book shows that one front shock absorber and one rear shock absorber changed somehow.

36300005; 36360003; 36330005
The inner steering column and nut changed from having a bronze steering nut, part Nº 261425, for the right hand drives and part Nº 261426, for the left hand drives, to having a case hardened inner column and steel steering nut, part Nº 242302, for the right hand drives and part Nº 242303 for the left hand drives.

Note: Only 113 Mobile Welder models were made between 1949 and 1953.