One New Aftermarket Replacement 120 Amp Alternator Fits Ford/New Holland HW300 and HW320 WindrowersThis 12-volt, 120-amp alternator is a direct-fit aftermarket replacement Fits Ford and Fits New Holland HW300 and HW320 Speedrower windrowers. It features an internal voltage regulator, external fan, and Fits Bosch-style construction. This unit is supplied without pulley - verify your existing pulley is serviceable before installation.Specifications Voltage: 12V Amperage: 120 Amp Regulator: Internal Fan Location: External Rotation: Clockwise Style: Fits Bosch Type Pulley: Not Included Compatible ModelsFits Ford/New Holland Windrowers: HW300, HW320Replaces Part Number(s):86537977, 86577814, AH165975, AL81438, SE501343, TY24486Aftermarket Interchange NumbersFits Bosch: 0-120-484-027, 9-120-060-042, F-005-A00-025; Aftermarket: 12372, 12373, 220-386, 220-386A, 220-386B, 400-24032New aftermarket replacement part - not remanufactured, not used.