Fits 4N3987 Fits Caterpillar Fits CAT Tractor Alternator 0R5205 0R524 1N9406

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One New Aftermarket Replacement Alternator Fits Caterpillar (Fits CAT) Industrial and Agricultural EquipmentThis aftermarket replacement alternator is a Fits Delco 30SI-family unit designed to restore proper charging system performance on Fits Caterpillar (Fits CAT) equipment. It replaces OEM part number 4N3987 and is a 32-volt, 60-amp alternator with an external fan, internal regulator, and clockwise rotation. Used on Fits Caterpillar agricultural and industrial equipment from 1970 through 1993, as well as select Fits International, Murphy Diesel, and Waukesha applications.Specifications Voltage: 32V Amperage: 60A Alternator Family: Fits Delco 30SI Fan: External Regulator: Internal Rotation: Clockwise (CW) Supplied without pulley Compatible ApplicationsFits Caterpillar Engine Applications (Agricultural and Industrial): 3304 (1986-1993), 3306 (1985-1993), 3406 (1970-1998), 3408 (1970-1993), 3412 (1986-1993), 3512 (1986-1993)Also fits: Fits International / Navistar (1969-1970), Murphy Diesel (1964-1980), Waukesha (1967-1986)Replaces Part Number(s):4N3987, 1N9406, 0R5205, 0R5204, OR5205, OR524Aftermarket Interchange NumbersAC Fits Delco: 321-646 | Arrowhead: 400-12727, ADR0245 | Cummins: 3604679RX | Fits Delco: 10459325, 1117733, 1117747 | BBB HD / Lester / Fits Napa HD: 7265 | Wilson HD / Wilson: 90-01-3098 | IH / Navistar: 610273C91 | Cargo: 112263 | J&N: 400-12126, 400-12727 | Dixie New: 101-30300 | Dixie: A-1102 | Remy: 53137 | Minnpar: 47-2939New aftermarket replacement part - not remanufactured, not used. Show more