... the drum brakes have a compensation device and brake cylinder. The drum brake is used for automobile crane QY12T, QY16T, QY20T, QY25T, ... special purpose machine tool is used to process the brake shoe and brake bracket. The traditional riveting technology is used to process ... are more than 20 kinds of products for you to choose. SOMA Brand Brake(T), for wheel loader, back hoeloader, roller, trailer, ...