The engine, a liquid-cooled Ford Mercury V8 3.9 litres 95 hp, made a maximum speed of about 75 km/h possible. There were three forward gears and one reverse. An auxiliary gearbox, placed behind the engine, functioned as reversing device and allowed for the dual drive capacity: the rear driver could use the same gears as the main driver. However, the maximum speed in the reverse direction was, for safety reasons and because the back drive system had been deliberately made less robust to save weight, indicated by the manufacturer as 50 km/h. In both cases steering was via the front wheels, with a minimum turning radius of . Both drivers had a full set of standard steering controls, even with separate odometers. Each driver had a rectangular hatch in front of him, that could hinge upwards to provide an unimpeded view of the road; due to the short nose there were no dead angles in his field of vision. When closed the outside could still be seen via a vision slit, protected by armoured glass and fully closable through a small sliding armour plate. The environment could then be better observed by means of five prismatic blocks placed below the raised circular top hatch. The blocks could be quickly replaced when damaged. The front of the main compartment also had small side hatches, likewise fitted with vision slits; the back driver had such a small hatch available within the larger hatch at his right. In darkness vision could be improved by two large headlamps on both the front and the back of the vehicle.