Land Rover Series - Series I

Series I

Series I 86 Hard Top. Showing double-skinned '"Safari Roof".
Production 1948–1958
Successor Land Rover Series II
Body style 2-door
Off-road vehicle
4-door
Off-road vehicle
2-door pickup
Engine 1.6 L I4 (1948–1951)
/2.0 L I4 (beginning 1950)
2.0 L diesel I4 (1957–58)
Transmission 4-speed manual
Wheelbase 1948–1953: 80.0 in (2,032 mm)
1954–1956: 86.0 in (2,184 mm) (SWB)
1948–1956: 107.0 in (2,718 mm) (LWB)
1957–1958: 88.0 in (2,235 mm) (SWB)
109.0 in (2,769 mm) (LWB)
Length 132.0 in (3,353 mm)/140.5 in (3,569 mm) (SWB)
173.5 in (4,407 mm) (LWB)
Width 61.0 in (1,549 mm)
Height 73.5 in (1,867 mm)

Land Rover entered production in 1948 with what was later termed the Series I. This was launched at the Amsterdam Motor Show. It was originally designed for farm and light industrial use, and had a steel box-section chassis, and an aluminum body.

Originally the Land Rover was a single model offering, which from 1948 until 1951 used an 80-inch (2,000 mm) wheelbase and a 1.6-litre petrol engine producing around 50 bhp (37 kW; 51 PS). The four-speed gearbox from the Rover P3 was used, with a new two-speed transfer box. This incorporated an unusual four-wheel-drive system, with a freewheel unit (as used on several Rover cars of the time). This disengaged the front axle from the manual transmission on the overrun, allowing a form of permanent 4WD. A ring-pull mechanism in the driver's footwell allowed the freewheel to be locked to provide more traditional 4WD. This was a basic vehicle: tops for the doors and a roof (canvas or metal) were optional extras. In 1950, the lights moved from a position behind the grille to protruding through the grille.

From the beginning it was realised that some buyers would want a Land Rover's abilities without the spartan interiors. In 1949, Land Rover launched a second body option called the "Station Wagon", fitted with a body built by Tickford, a coachbuilder known for their work with Rolls-Royce and Lagonda. The bodywork was wooden-framed and had seating for seven people. Tickford was well equipped in comparison with the standard Land Rover, having leather seats, a heater, a one-piece laminated windscreen, a tin-plate spare wheel cover, some interior trim and other options. The wooden construction made them expensive to build. The Tickford was taxed as a private car, which attracted high levels of Purchase Tax unlike the original Land Rover. As a result, fewer than 700 Tickfords were sold, and all but 50 were exported.

In 1952 and 1953, the petrol engine was replaced with a larger 2.0-litre inline-four engine. This engine was "Siamese bore", meaning that there were no water passages between the pistons. During 1950, the unusual semi-permanent 4WD system was replaced with a more conventional setup, with drive to the front axle being taken through a simple dog clutch. Around this time the Land Rover's legal status was also clarified. As mentioned above, the Land Rover was originally classed as a commercial vehicle, meaning it was free from purchase tax. However, this also meant it was limited to a speed of 30 mph (48 km/h) on British roads. After an appeal to the Law Lords after an owner was charged with exceeding this limit, the Land Rover was classified as a "multi-purpose vehicle" which was only to be classed as a commercial vehicle if used for commercial purposes.

The 1954 Year Model saw a big change: the 80-inch (2,000 mm) wheelbase model was replaced by an 86-inch (2,200 mm) wheelbase model, and a 107-inch (2,700 mm) "Pick Up" version was introduced. The extra wheelbase was added behind the cab area to provide additional load space.

1956 saw the introduction of the first five-door model, on the 107-inch chassis known as the "Station Wagon" with seating for up to ten people. The 86-inch model was a three-door, seven-seater. The new station wagons were very different from the previous Tickford model, being built with simple metal panels and bolt-together construction instead of the complex wooden structure of the older Station Wagon. They were intended to be used both as commercial vehicles as people-carriers for transporting workmen to remote locations, as well as by private users. Like the Tickford version, they came with basic interior trim and equipment such as roof vents and interior lights.

The Station Wagons saw the first expansion of the Land Rover range. Station Wagons were fitted with a "Safari Roof" which consisted of a second roof skin fitted on top of the vehicle. This kept the interior cool in hot weather and reduced condensation in cold weather. Vents fitted in the roof allowed added ventilation to the interior. While they were based on the same chassis and drivetrains as the standard vehicles, Station Wagons carried different chassis numbers, special badging, and were advertised in separate brochures. Unlike the original Station Wagon, the new in-house versions were highly popular.

Wheelbases were extended by 2 inches (51 mm) to 88 inches (2,200 mm) and 109 inches (2,800 mm) to accommodate the new diesel engine, to be an option the following year. This change was made to all models with the exception of the 107 Station Wagon, which would never be fitted with a diesel engine, and would eventually be the last series I in production. The diesel engine was slightly longer than the original chassis allowed so the extra two inches were added in front of the bulkhead to accommodate the new engine. These dimensions were to be used on all Land Rovers for the next 25 years.

Finally, in 1957, the "spread bore" petrol engine was introduced, followed shortly by a brand new 2.0-litre diesel engine that, despite the similar capacity, was not related to the petrol engines used. The petrol engines of the time used the rather out-dated inlet-over-exhaust valve arrangement; the diesel used the more modern overhead layout. This diesel engine was one of the first high-speed diesels developed for road use, producing 52 hp (39 kW) at 4,000 rpm.

Read more about this topic:  Land Rover Series

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