The History of EMD Diesel Engines in the United States

MODEL YEAR CYL TYPE Bore/Stroke DISP C.R. BLOWER RPM HP EXAMPLES
8-201 1933 8 Inline 2S 8 x 10 503 16:1 Roots 750 600 Chicago Worlds Fair
12-201 1933 12 60 V 2S 8 x 10 503 16:1 Roots 750 900 U.S. Navy
8-201A 1934 8 Inline 2S 8 x 10 503 16:1 Roots 750 600 Burlington Zephyr
16-201A 1934 16 60V 2S 8 x 10 503 16:1 Roots 750 1200 Rock Island TA, U.S. Navy subs
12-201A 1935 12 60V 2S 8 x 10 503 16:1 Roots 750 900 EMC 511, B&O 50, E1 (1800 HP)
12-567 1938 12 45V 2S 8.5 x 10 567 16:1 Roots 800 1000 EMC E3 - EMD E6 (2000 HP)
12-567A 1945 12 45V 2S 8.5 x 10 567 16:1 Roots 800 1000 E7 (2000 HP)
12-567B 1949 12 45V 2S 8.5 x 10 567 16:1 Roots 800 1125 E8 (2250 HP)
12-567C 1954 12 45V 2S 8.5 x 10 567 16:1 Roots 835 1200 E9 (2400 HP)
16-567A 1939 16 45V 2S 8.5 x 10 567 16:1 Roots 800 1350 FT freight units (5400 HP)
16-567B 1946 16 45V 2S 8.5 x 10 567 16:1 Roots 800 1350 F2 (HP limited by generator)
16-567B 1946 16 45V 2S 8.5 x 10 567 16:1 Roots 800 1500 F3 - F7, GP7, SD7
16-567B 1952 16 45V 2S 8.5 x 10 567 16:1 Roots 800 1600 MRS-1
16-567C 1954 16 45V 2S 8.5 x 10 567 16:1 Roots 835 1750 GP9, SD9
16-567D1 1959 16 45V 2S 8.5 x 10 567 16:1 Roots 835 1800 GP18, GP28, SD18, SD28
16-567D2 1959 16 45V 2S 8.5 x 10 567 14.5:1 Turbo 835 2000 GP20
16-567D3 1958 16 45V 2S 8.5 x 10 567 14.5:1 Turbo 835 2250 GP30, SD24 (2400 HP)
16-567D3A 1963 16 45V 2S 8.5 x 10 567 14.5:1 Turbo 900 2500 GP35U, SD35, DD35A/B
8-645E 1982 8 45V 2S 9.1 x 10 645 14.5:1 Turbo 900 1500 GP15T
16-645E 1966 16 45V 2S 9.1 x 10 645 14.5:1 Roots 900 2000 GP38, GP38-2, SD38, SD38-2
12-645E3 1968 12 45V 2S 9.1 x 10 645 14.5:1 Turbo 900 2300 GP39, GP39-2, GP39-2U, SD39
16-645E3 1965 16 45V 2S 9.1 x 10 645 14.5:1 Turbo 900 3000 GP40, SD40, SD40-2, SD40T-2
20-645E3 1965 20 45V 2S 9.1 x 10 645 14.5:1 Turbo 900 3600 SD45, SD45B, SD45-2, SD45-2B
SD45T-2, F45, FP45
16-645E3A 1969 16 45V 2S 9.1 x 10 645 16:1 Turbo 950 3300 DDA40X (6600 HP)
20-645E3A 1970 20 45V 2S 9.1 x 10 645 16:1 Turbo 950 4200 SD45X
16-645F3B 1977 16 45V 2S 9.1 x 10 645 *
 Turbo *
 3500 GP40X, GP50, SD40X, SD50
12-710G3C 1998 12 45V 2S 9.1 x 11 710 *
 Turbo *
 3000 F59PHI #1 F59PHI #2
16-710G3 1984 16 45V 2S 9.1 x 11 710 16:1 Turbo 900 3800 GP60, GP60B, GP60M,
SD60, SD60M
16-710G3B 1994 16 45V 2S 9.1 x 11 710 *
 Turbo *
 4000 SD70M, SD70, SD70I, SD70MAC
16-710G3B 1995 20 45V 2S 9.1 x 11 710 *
 Turbo *
 5000 SD80MAC
16-710G3C 1995 16 45V 2S 9.1 x 11 710 *
 Turbo *
 4300 SD75M, SD75I
16V265H 1998 16 45V 4S 10.4 x 11.8 1002 *
 Turbo 1000 6300 SD90MAC
(*) indicates data not available

  All photos 1979 and later by Randy Houk
Updated 12-14-2012