New Aftermarket Alternator for Tractor for Case used for moving land equipment. Fits 1150E, 850D Dozer Crawler, as well as 1088, 1187C Feller Buncer, 688, 688Bck, 688C, 888, 1150E, 1155E, 1550, 850D, Crawler Tractors, as well as 1187C Feller Buncers, as well as 680K Construction King, 780C Construction King Backhoe-Loaders, as well as 521D, 621, 721, 821, W14b, W14c, W18b, W20c, W30 Wheel Loaders. 24 Volt with 50 Amperage. Replaces these part numbers: Case A186124, A186153, P941518p, Q941542.