Product Description: This Rotary Cutter Driveline is made to exact OEM specifications to fit several brand and models of rotary cutters. This driveline is typically used with 5-6 ft. rotary cutters.. Driveline minimum C-to-C length: 44", Maximum C-to-C length: 68", Total collapsed length: 51". Tractor end: 1-3/8" 6 spline Quick Disconnect, Implement end: 1-3/8" Round Bore with 1/2" pin hole. Driveline rated as category 3 (35 hp), size 4. Driveline has 6 ft. lift / 3-pt. hitch.