Product Description: Catfish Pond Driveline Assembly, size 4. Driveline minimum C-to-C is 40" (1010 mm), maximum C-to-Clength is 62" (1580 mm), total collapsed length is 48" (1230 mm). Tractor ends: 1-3/8" 6 Spline andimplement ends are 1-1/2" round bore with 3/8" keyway. Driveline rated as category 3 (35 hp). 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.