... steering with flow-amplified system. high breakout force XCMG Bulldozer DT140B · Using the example of 6135AK-10 engine ... with two straight tooth gears reducer, big traction.· bulldozer working device hydraulic system with pilot control, small operating ... effect.· optional equipment includes automatic oiling device, automatic track tensioning device, fluorine-free air-conditioning, Ripper.For ...