Description:Cat brake reaction plates provide braking performance for Cat machine drive trains, allowing the machines to slow, stop, or hold a stationary position.Attributes:• Material: Cast Iron• Inside Diameter: 223 mm (8.78 in)• Thickness: 25.3 mm (1 in)Application:Brake reaction plates are used in Cat drive train braking systems. Consult your owner’s manual or contact your local Cat Dealer for more information.