Product Description: New complete CV (Constant Velocity) driveline with SA3 ratchet torque limiter, size 4. Tractor yokehas 6, 1-3/8"splines, clutch end has 6, 1-3/8" splines. Fits Challenger, Hesston, Massey Ferguson,and New Idea round balers. Complete Replacement - Components From Original Will Not Interchange. 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.