I.H.C.: Alternator. 80 amp, 3 terminal 3 o'clock position. Tractors: Hydro 186, 786, 886, 986, 1086, 1486, 1586, 3388, 3588, 3788, 4166, 4186, 4366, 4386. CASE: Alternator, 80 amp., internal regulator. 3 terminal, 3 o'clock position. WHITE EQUIPMENT: Remanufactured internal regulator, 80 Amp. 3 terminal three o'clock position, use repair kit ARK-3. MASSEY FERGUSON: Alternator, 80 amp., internal regulator. 3 terminal 3 o’clock position. JOHN DEERE: Alternator; TISCO remanufactured. Sold outright; no cores. 80 amp, internal regulator. 3 terminal 3 0'clock position. Uses alternator repair kit ARK-4.