Product Description: New 100 Series Economy Driveline, size 4. Driveline rated as a category 3 (35 hp). Driveline has 5ft. lift / 3-pt hitch. Minimum C-to-C length: 28" (710 mm), Maximum C-to-C length: 41" (1060 mm),Total collapsed length: 36" (915 mm). Tractor end: 1-3/8" 6 spline, Implement end: 1-3/8" Round bore with 1/2" pin hole. Fits Hico / Howse rotary cutters. It may be necessary to cut this driveline to length. Verify the length by ensuring that sufficientoverlap of the drive tubes exists in all working positions without the possibility of bottoming out.