This is a A-VPH4018 540 RPM PTO Shaft PN: VPH4018Main Description As Following : A-VPH4018 540 RPM PTO Shaft P.N: VPH4018 A-VPH4018 540 RPM PTO Shaft P.N: VPH4018 Stocked As: A-E6NNB728AA 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