Description:Cat brake pistons are a critical component in the brake system for Cat machine drive trains, allowing the machines to slow, stop, or hold a stationary position.Attributes:• Cast iron parking brake piston• Outside Diameter: 813.35 mm (32.021 in)• Inside Diameter: 570 mm (22.440 in)• Width: 64.5 mm (2.539 in)Application:Brake pistons are used in Cat drive train braking systems. Consult your owner's manual or contact your local Cat Dealer for more information.