Description:Friction disc part # 126-0844 for the winch drum clutch that provides a means for transmitting and interrupting power from the winch to the cable load on certain Pipelayer and Track-Type Tractor models.Attributes:• Friction disc with internal spline• Outside Diameter: 358.52 mm (14.11 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.