Introduction Chassis description Dongfeng 145 chassis, Yuchai or Cummins engine, 5-speed gearbox, 9-ton rear axle, 900-20 tires with spare tires, air-cut brakes, and direction assistance. Modification instructions Adopting enhanced hydraulic roll on roll off system, dual hydraulic cylinder control, roll on roll off and chain can realize roll on roll off box loading, unloading, unloading and other functions, hydraulic multi-way …