Description:Cat balance pistons are a key component in the planetary assemblies that power tough Cat transmissions to convert engine power into the exact combination of speed and force required by individual machines.Attributes:• Cast iron balance piston• Width: 35.25 mm (1.3877 in)• Inside Diameter: 98.48 mm (3.877 in)• Outside Diameter: 283.34 mm (11.155 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.