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:• Material: Steel• Outside Diameter: 323.85 mm (12.75 in)• Width: 65 mm (2.559 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.