PTO Assembly w/Slip Clutch (6 Series) - Fits Various:

Bush Hog 1812, 2212, RF15

Rhino TS12

Clutch End 1 3/8" x 6 Spline Quick Release

Plain End 1 3/4" x 20 Spline Clamp Style 

Length (Cross to Cross) Closed 73" - Open 105"

rpls: SB6150620, 790231, 50058267, 50058057, 00787960, 00790231, 790231

NOTE: More information can be found at: http://www.ricksagparts.com/PTO_Drivelines_Safety_Clutches.html