The front and rear end cover products and intercooler hull include WEICHAI-MAN brand L21 / 31 main series of propelling, L32 / 40 main series of propelling. The maximum overall dimension of the part is 1420mm x 1550mm x 480mm, the maximum weight is about 1060kg. The front and rear end cover contains a large number of water cavities and oil lines, the structure is complex, the sealing ability and dimensional precision are high, the shape is irregular, and the processing is difficult.
