Description:Part # 558-5035 is a hydraulic actuated caliper for stopping or retarding machine motion. Cat brake lining assemblies are the key components that slow, stop or hold a machine stationary. On Caterpillar machines, they are located at the wheels of wheel-type machines. In track-type machines, they are located on the axle shafts.Attributes:• Material: Steel• Overall Length: 361.4 mm (14.228 in)• Overall Width: 195 mm (7.677 in)• Overall Height: 163.5 mm (6.437 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.