Brake Total pump, also known as "brake total pump", "Brake main cylinder", is the main part of the vehicle braking system. According to different vehicles are also divided into the gas brake total pump and oil brake two kinds of total pump, the general situation of passenger cars (such as cars, micro-passengers, etc.), the majority of the brake pump used is the oil brake total pump.
and commercial vehicles (such as trucks, tractors, etc.) of the general brake pump used is the gas brake total pump.