A precise and reliable electronic monitoring system enables operators to know the equipment operation condition in real time. According to different working conditions and environments of bulldozers, working devices like straight tilt blades, U-blade, angle blades and winch can be equipped. Falling object protective structure (FOPS) and roll-over protective structure(ROPS) are optional. In addition, an air conditioning system, centralized lubrication, engine cold start device and automatic track tensioning devices are available to meet different users’ demands.