# D104HD - Voltage Regulator, 24 Volt, A-Circuit, 27.5 Vset, For Delco 10Si, 20Si, 21Si, 22Si, 23Si, 26Si, 27Si, 29Si, 30Si-40Si Series Alternators

D104HD - Voltage Regulator, 24 Volt, A-Circuit, 27.5 Vset, For Delco 10Si, 20Si, 21Si, 22Si, 23Si, 26Si, 27Si, 29Si, 30Si, 33Si, 34Si Series Alternators

For: Delco 10Si/Type 116, 12SI, 20Si, 21Si, 22Si, 23Si, 26Si, 27Si/Type 200, 29Si, 30Si, 33Si, 34Si Series IR/EF Alternators

• 1-wire system, w/ webbed terminals, w/ stud.
• *Replaces Delco 1116388 by cutting webbed terminals to change voltage setting.
• **Use D32S-1 to replace Delco 1987518 regulator on 32 volt, Delco 30Si w/ voltage adjustment block.
• Heavy duty version of D30-1.

• 100% New Transpo Heavy Duty
• Accommodates 5 amp field
• Impact & hi-temperature resistant, thermoset housing

Also See: D104HD-1; D30; D30A; D30S; D32S

Used On: Allis Chalmers (1978-1986) , Atlas Copco (1997-1997) , Case (1970-1993) , Caterpillar (1970-2012) , Champion (1975-1998) , Clark (1973-1986) , Consolidated Diesel (1991-1992) , Cummins Engines (1980-1994) , Cummins Marine Engines (1986-1987) , Dresser (1984-1992) , Drott Mfg. (1976-1978) , Fiat-Allis (1974-1995) , International (1974-1996) , Jet Edge (1985-1992) , John Deere (1975-2007) , Kobelco (1994-1999) , Murphy Diesel (1977-1980) , New Holland (2000-2006) , Samsung (1992-1998) , Sullair (1985-1991) , Terex (1976-1978) , Timberjack (1995-2007) , Volvo (1995-2007) , Wabco (1979-1982) , Waukesha (1974-1986) , Western Star (1974-1988) , White (1974-1984)

Replaces: Caterpillar 3T6354, 6N1874, 7N7799, 9N1207, Delco 1116388, 1116404, 1116405, 1894460, 1984287, 1987518

Unit Nos: CASE 104257A1, 683594C91, A167152, A47484, A49652, L101465, L112091, L114250, L59901, L72955, L78103; CAT 0R-9938, 0R2698, 0R3614, 0R3615, 0R3749, 0R5201, 0R5203, 0R5206, 0R5217, 0R9440, 1077977, 1125041, 1142401, 1322156, 167-7812, 169-4319, 169-9940, 200-2232, 266-7226, 3E7577, 3E7578, 3N2702, 3N2706, 3P0077, 3T6352, 3Y6691, 4N3986, 5N5692, 5S9088, 6N5217, 6N9249, 6N9294, 7N7121, 9G6081, 9G8255, 9X7803, OR8997; CUMMINS 111640, 214169, 3000347, 3016627, 3072483, 3332213, 3400698, 3603853RX, 3604476RX, 3604676RX, 3604685RX, 3604687RX, 3675102RX, 3675103RX, 3675104RX, 3675108RX, 3675126RX, 3675174RX, 3675174RX, 3675174RX, 3675201RX, 3675212RX, 3675214RX, 3675224RX, 3675226RX, 3675235RX, 3675242RX, 3675244RX, 3675250RX, 3675250RX, 3675252RX, 3905225, 3909984, 3920617, 3920618, 3920618, 3935530, 3935531, 4078701, 603853RX; DELCO 10457127, 10459026, 10459061, 10459062, 10459064, 10459071, 10459072, 10459076, 10459098, 10459100, 10459102, 10459120, 10459137, 10459148, 10459196, 10459244, 10459245, 10459248, 10459251, 10459261, 10459274, 10459274, 10459306, 10459311, 10459333, 10459354, 10459355, 10459372, 10459452, 10459468, 10461235, 10461235, 10461235, 10461237, 10480060, 1100077, 1100078, 1100093, 1100210, 1100211, 1100274, 1101195, 1101204, 1101285, 1102348, 1102366, 1102379, 1102398, 1102916, 1102918, 1102919, 1102934, 1103123, 1103132, 1103164, 1103167, 1103191, 1105077, 1105087, 1105096, 1105159, 1105179, 1105180, 1105419, 1105431, 1105436, 1105437, 1105459, 1105474, 1105475, 1105476, 1105477, 1105510, 1105537, 1117163, 1117281, 1117282, 1117615, 1117619, 1117622, 1117623, 1117625, 1117631, 1117640, 1117642, 1117643, 1117644, 1117645, 1117647, 1117648, 1117650, 1117655, 1117734, 1117746, 1117805, 1117817, 1117821, 1117826, 1117828, 1117831, 1117834, 1117836, 1117838, 1117897, 1117900, 1117915, 1117944, 19010000, 19010001, 19010002, 19010004, 19010006, 19010008, 19010020, 19010022, 19010023, 19010024, 19010108, 19010111, 19010182, 19010185, 19010193, 19010195, 19010199, 19010200, 19011004, 19011010, 19011011, 19011012, 19011014, 19011015, 19011019, 19011153, 19011165, 19011168, 19011175, 19011180, 19011189, 19011192, 19011194, 19011195, 19011207, 19011208, 19011210, 19020307, 19020346, 19020366, 19020376, 19020382, 19020383, 19059245, 8600050, 8600232, 8600479, D693; DETROITDSL R0459137, R0459153; DRESSER 1305787H91, 1305787H91, 1307203H1, PB6874; EUCLID E820107X, E820117X, E820131X, E820135X; FIATALLIS 73112312, 73113742, 73119134; IHC 1243060H91, 1286822H91, 683104C91, 683594C91; JOHNDEERE AT130930, AT157178, F434805, RE20034, SE501345, SE501370, SE501370, SE501377, SE501384, SE501384, TY6752, TY6752, TY6776; KOMATSU 1305787H91, 1305787H91, 1307-203-H1, ALT-1023, ALT1004, ALT1023; PRESTOLITE 110-446, 110-446, 110-446, 110-446, 110-446, 110-446, 110-446, 110-446, 110-446, 110-446, 110-459, 110-459, 110-459, 110-459, 2303JB, 2303JB, MDA3946, MDA3946, MDA3946, MDA3946, MDA3946; LESTER 7129, 7160, 7163, 7175, 7176, 7179, 7181, 7197, 7200, 7201, 7202, 7263, 7289, 7297, 7467, 7642, 7965, 7975, 8002, 8003, 8007, 8030, 8034, 8061, 8062, 8069, 8085, 8094, 8366, 8367, 8368, 8562, 8567, 8568, 8569, 8573, 8713, 8714, 8715, 8716