Replacement OEM quality Series 6 Heavy Duty Slip Clutch protected driveline, fits 3-point mounted mowers with 1-3/4" X 20 spline input shafts. Can also be used on 8' & 10' 3-point mounted mower by cutting down to length. This is a new driveline complete with 1-3/8" Z-6 Spline tractor side with quick disconnect collar and 2 disc slip clutch with 1-3/4" 20 spline end with interfering locking bolt implement end, Series 6 Spec PTO, complete with safety shields. This PTO measurers 45" closed length and 64" maximum extended length.