Description:Cat brake pistons are a critical component in the brake systems that slow, stop, or hold a machine stationary. On Caterpillar machines, they are located at the wheels of wheel-type machines.Attributes:• Cast iron brake piston• Outside Diameter: 946.67 mm (37.270 in)• Inside Diameter: 726 mm (28.582 in)• Width: 86 mm (3.385 in)• Thread Size: M10X1.5 (2 Places)Application:Service component for Cat brake systems. Consult your owner's manual or contact your local Cat Dealer for more information.