80 degree constant velocity driveline less implement yoke. Driveline is furnished without cross & bearing kit and implement yoke. Select kit and implement yoke as required. When cross and bearing kit and implement yoke are assembled, the overall compressed length of the driveline will be as listed. Driveline length: 58 to 77"", Shaft size 1-11/16" 20 spline. Tractor yoke: 1-3/4" 20 spline. Driveline rated as a category 5, 35 series.