Technical register for agricultural, construction and commercial machinery · sourced data
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Mercedes Benz L312

6 models in this series

Mercedes-Benz L 312 – an L-series truck of the 1950s and 1960s with the six-cylinder OM 312 diesel, 4,580 cm³, 74 to 81 kW, gross weights from 7 to 9.25 tonnes

Mercedes Benz L-312/4200
Pictured: Mercedes Benz L-312/4200

The Mercedes-Benz L 312 belongs to the L series of trucks that Mercedes-Benz built in the 1950s and 1960s at the Mannheim plant, the brand's home plant for commercial vehicles. The L in the type designation stands for Lastwagen, truck; the L 312 is powered by the six-cylinder OM 312 diesel engine of around 4.6 litres, which motorised several ranges of the mid-weight class in this period.

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The register lists here 6 versions with 74 to 81 kW from the six-cylinder diesel of 4,580 cm³, unladen weights from 3,057 to 4,700 kg, gross weights from 7,000 to 9,250 kg, lengths from 6,210 to 8,230 mm and widths from 2,250 to 2,400 mm.

The Mannheim L series formed the backbone of West German long-haul transport and construction in the 1950s and 1960s, before being replaced by the new generation with short-bonnet and forward-control cabs. Vehicles such as the L 312 sat in the mid-to-upper weight segment and were bodied as flatbeds, tippers and box vans. Many surviving examples today serve as static exhibits or take part in vintage commercial-vehicle rallies rather than daily transport.

On a used example, rust on the frame, cab floor and wings, the condition of the injection pump and valves of the OM 312, the brake system and wheel bearings, and the completeness of the body and fittings count; spare parts for the OM 312 are available through dealers specialising in classic commercial vehicles.

Sources: SpecCodex register, model data: Mercedes-Benz L 312, Mercedes-Benz (manufacturer)

Models compared

4 of 4 models.

L-312/42001956 L3121951-1959 L312/421954 L312/481956-1957
Power 74 kW 81 kW – –
Cylinders 6 6 6 6
Displacement 4,580 cm³ 4,580 cm³ 4,580 cm³ –
Wheelbase – 4,830 mm 4,220 mm 4,850 mm
Length 6,210 mm 7,200 mm 6,880 mm 8,100 mm
Width 2,400 mm 2,340 mm 2,360 mm 2,400 mm
Unladen weight 3,500 kg 3,810 kg 3,057 kg 4,700 kg
Gross vehicle weight 8,500 kg 8,100 kg 7,000 kg 9,250 kg

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