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: Cast iron• Outside Diameter: 269.8 mm (10.62 in)• Inside Diameter: 174 mm (6.850 in)• Thickness: 39 mm (1.535 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.