Marshall

The Bedford TM 4X4 and TM 6X6 trucks are basically the same vehicle, the TM 4x4 being an 8 tonne vehicle and the TM 6x6 being a 14 tonne design (maximum load 16 tonnes) due to the additional axle. They share many components in common, such as the forward control cab and engine, the cargo area loading heights, are identical on both vehicles. The first pre-test prototype was completed in November 1981, and a further four prototypes were built during 1983, and another eight Ministry of Defence validation vehicles were built during 1984 for trials at PMRDE Chertsey and user trials that ran into 1985. The initial contract for 1,045 vehicles was issued and production commenced in 1986. It as the only contract issued for this vehicle

The Bedford TM 6x6 14,000kg tuck was developed from the TM 4x4 8,000kg truck in response to a British Army General Staff Requirement for a cost effective 6x6 vehicle with the same 14-tonne payload as the TM 4x4 and trailer combination (10 standard NATO pallets). The Bedford TM 4X4 and TM 6X6 trucks are basically the same vehicle, the TM 4x4 being an 8 tonne vehicle and the TM 6x6 being a 14 tonne design (maximum load 16 tonnes) due to the additional axle. They share many components in common, such as the forward control cab and engine, the cargo area loading heights, are identical on both vehicles.