... compensation device and brake cylinder. The drum brake is used for automobile crane QY12T, QY16T, QY20T, QY25T, QY30T, QY50T and QY75T ... , etc., big tonnage cargo truck, pavers, graders, road rollers and excavators and so on. Both ... are more than 20 kinds of products for you to choose. Disc Brake SOMA Diameter 75x 4 for cranes, dump truck and compactors