123-0420: Transmission Input Shaft

Description: Part # 123-0420 is a hardened steel transmission input shaft with check ball, for use on certain Off-Highway Truck models. Cat input shafts 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: • Hardened steel shaft with check ball • Spline 1 Number of Teeth: 34 (end) • Spline 2 Number of Teeth: 40 (center 1) • Spline 3 Number of Teeth: 36 (center 2) • Length: 734 mm (28.9 in) • Diameter: 50 mm (1.97 in) • Thread: 1/2-20; 1/2-13 • With grease passages Application: Consult your owner's manual or contact your local Cat Dealer for more information.