354B is plated at 3500kg, 4.3 meters long and 2.1 metres wide. It will transport vehicles and machines weighing up to 2700kg.

Standard equipment includes two loading ramps, a 2000kg hand winch, spare wheel and rear loading stands. As an option the body width can be increased to 2.3 metres and the length can be increased in 600mm increments to a maximum of 7 metres. A third ramp can be fitted in standard width trailers or four in wider models. Hydraulic tilt and a small ramp door is also available on these trailers.