... : below 16Mpa or 12Mpa,Brake Moment: 1075Kgfm or 1044Kgfm. Some of the drum brakes have a compensation device and brake cylinder ... . The drum brake is used for automobile crane QY12T, QY16T, QY20T, QY25T, QY30T, QY50T and QY75T ... precision and sound performance. There are more than 20 kinds of products for you to choose. Disc Brake SOMA Diameter 75x 4 ...