★ Adopting hydraulic direction, easy to operate, sturdy and durable; The frame adopts automotive structure and is sturdy and durable with cold riveting technology; ★ Dual circuit air brake+cut-off air brake, more reliable and safe braking; ★ The whole machine has good performance, can adapt to various situations, and has strong climbing ability; ★ Compact structure, flexible operation, safe and reliable; The hydraulic self dumping device has high efficiency and is the preferred transportation tool for underground coal mines.