This is a A-520701M1 Mainshaft, Multi-power & 6 speed trans. PN: 520701M1Main Description As Following : A-520701M1 Mainshaft, Multi-power & 6 speed trans. P.N: 520701M1 A-520701M1 Mainshaft, Multi-power & 6 speed trans. P.N: 520701M1 Stocked As: A-1682542M1 Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada