3 TONS : 2 wheels or 4wheels , air pressure brake , dump selected . For 2wheels it adopts rear dump, 4wheels can dump left and right with circuitry .

• 3吨拖车一般采取2轮或4轮形式，刹车采用充气刹车。可选装自卸。3吨两轮自卸采取后翻，4轮自卸是采取双侧翻的形式，4轮车配备电路。