Introduction Chassis description Dongfeng 153 wide-body cab, Cummins or Yuchai engine, 8-speed gearbox, 5 tons front axle, 10 tons rear axle, 1000-20 tires, with spare tire, air brake, 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, …