One New Aftermarket Replacement Alternator Fits Caterpillar (Fits CAT) Backhoe LoadersThis aftermarket replacement charging alternator (Alternator GP-Charging) Fits Caterpillar (Fits CAT) 416, 426, 428, 436, and 438 backhoe loaders equipped with Perkins 4.236 and D4.236 diesel engines. Coverage spans both original and Series II configurations across all five models. The alternator is a Fits Bosch-design unit with an internal regulator and external fan, and requires battery voltage to initiate the charging sequence -- it is not self-energizing.Specifications Voltage: 12V Amperage: 55 Amp Rotation: Clockwise (CW) Design: Fits Bosch-style, internal regulator, external fan Terminals: B+, B-, D+, W (tachometer output) Compatible ModelsFits Caterpillar (Fits CAT) Backhoe Loaders (Perkins 4.236 / D4.236 engine, 1985-1993): 416, 416 Series II, 426, 426 Series II, 428, 428 Series II, 436, 436 Series II, 438, 438 Series IIReplaces Part Number(s):7T2876, 7T-2876, 8C5535, 9W1903, ELV40-0016, 2W9774Aftermarket Interchange Numbers0-120-489-387, 0120489387, 02489387, D700332, 160-89128, 90-15-6300New aftermarket replacement part - not remanufactured, not used.