Alternator - New, 12V, 36A, Aftermarket LucasSome equipment OEM's Pulley Rotor Shaft OD is .590", Hy-Capacity's Alternator has a .669" OD Rotor Shaft, double check before ordering!The 8301038 Alternator - New, 12V, 36A, A115, Aftermarket Lucas fits equipment brands such as: Case IH, David Brown, Ford, International, Massey Ferguson