I.H.C.: Alternator. 63 amp, internal regulator, 3 terminal 3 o'clock position. Tractors: Cub, Hydro 186, 574, 786, 886, 986, 1086, 1486, 1586, 2500A. ALLIS CHALMERS: Remanufactured internal regulator, 63 Amp. 3 terminal three o'clock position. Tractors: 7030, 7040 (prior to s/n 3501), 7050, 7060 (prior to s/n 2513), 7080 (prior to s/n 1469). Use repair kit ARK-4. Replaces 266544, 79004866, 9003072 JOHN DEERE: Alternator; TISCO remanufactured. Sold outright; no cores. 63 amp, internal regulator. 3 terminal. 3 O'clock position. Uses alternator repair kit ARK-4. MASSEY FERGUSON: Alternator, 63 amp., internal regulator. 3 terminal 3 o’clock position. Uses alternator repair kit ARK-4.