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 brake piston• Outside Diameter: 718 mm (28.267 in)• Inside Diameter: 537.25 mm (21.151 in)• Width: 84.94 mm (3.344 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.