Product Description: Complete Driveline with 7" Friction Clutch. C-to-C Length: 48" (1210 mm), Total Collapsed Length:58" (1470 mm). Tractor end: 1-3/8" - 6 Spline. Implement end.: 1-3/8" 21 Spline. FF1 FR. CL., Clutch Dia.: 7.09". Series: 100. Category 4 (47 hp). This is a complete replacement; components fromoriginal will not interchange. NOTE: It may be necessary to cut this driveline to length. Verify the length by ensuring that sufficient overlap of the drive tubes exists in all working positionswithout the possibility of bottoming out. Fits John Deere Rotary Cutter: MX7. Complete Replacement- Components From Original Will Not Interchange.