... brakeBrake gap can be adjusted automatically, double circulation air brake system Assistant brakeEngine exhaust brakePark brakePotential springs ... shock absorb adjustable seat, safety belt, adjustable steering, warm air system, sunroof, sun cap, bumperApproaching angle/ Departure angle ... 4x2, 6x4, 8x4 series tractor trucks, dump trucks, cargo trucks, water tank trucks, terminal tractor trucks, etc. ...