Description:Part # 479-8600 provides a hydraulic driven winch drive gear for certain Rotary/Track Drill models.Hydraulic winches are built to lift and pull in the high demand environments where Cat equipment can be relied on to get the work done. Cat winches deliver the reliable, high-performance operation and long equipment life you expect.Attributes:• Hydraulic driven winch assembly• Gearbox Ratio: 36:1• Line Pull Rating: 12,000 LBS• Hydraulic Supply Port: SAE -16 ORFS, 1-7/16-12 (2X)• Maximum Operating Pressure: 2068 kPa (3000 psi)• Bare Drum Diameter: 247.65 mm (9.75 in)• For use with 15.88 mm (0.625 in) rope• Gear Case Capacity: 2.37 L (0.625 gal)Application:Consult your owner's manual or contact your local Cat Dealer for more information.