Main Specification and characters ♦ Adopts single rocker arm, long wheelbase structure, high strength equipment and frame, which provide large breakout force, tractive force, good stability, and shorten equioment operation cycle time, featuring excellent overall performance and being suitable for heavy load in mines; ♦ Front and rear frame link joints are in centralized arrangement, and the wheel tracks of the front and rear wheels may coincide during turning, which improve passage while prolonging the service life of tyre; ♦ Key link points of the equipment adopt anti-dust structure that prolongs the service life of the bearing pins; ♦ Water tank with enlarged heat radiating area provides better thermal equilibrium for the diesel system, being applicable for continuous operation under extreme working conditions; ♦ Additional hydraulic oil radiator provides better thermal equilibrium for the hydraulic system, being suitable for continuous operation under extreme working conditions; ♦ Dual-pump converging hydraulic system feature high-efficiency,energy-saving and sound power performance; ♦ All hydraulic coaxial flow amplification steering system makes the operation more flexible and reliable; ♦ Top-grade Johnson maintenance-free battery enables reliable and stable operation.