Union Pacific Diesel Locomotives

Early Merger Era -- 1983 to 1994 (MP, WP, MKT)

(Return to Union Pacific Diesel Index Page)

Road
Number
Previous
Number
Pre-Merger
Number
Model Qty In-Service
Years
Notes
20     RD20 1 1993 Demonstrator leased from Republic Locomotive Works.
1-50 3600-3649   SD45 50 1978-1987 Renumbered from 3600-3649 in 1978-1979
60-65     SD45 Sulzer 6 1980-1983 Rebuilt from SD45s
50-79   MP 3500-3529 GP50 30 1983-1988 12 units in series; renumbered to 960-989 in 1988
90-95 9000-9005   GP40X 6 1985-1990 Renumbered to UP 954-959 in 1989-1990
99 3999   SD24M 1 1978-1985 Renumbered from 3999 in 1978
100-129 700-729   GP7 30 1953-1984 Renumbered from 700-729 in 1953
130-204     GP9 75 1954-1985 204 renumbered to 249 in 1954
205-244     GP9 40 1954-1985 No dynamic braking
245-249     GP9 5 1954-1984 Leased to Camas Prairie Railroad
250-294     GP9 45 1954-1985  
295-299     GP9 5 1954-1985 Equipped with steam generators
100-184   MP 4600-4684 B23-7 81 1983- Numbered as UP 100-166, 170-184; no UP 136 (MP 4636 retired after merger)
200-254   MP 4800-4854 B30-7A 55 1983-  
257-259   MP 4667-4669 B23-7M 3 1983-  
300-349     GP9 50 1957-1985 Some units rebuilt to 2000 horsepower
400-429     SD24 30 1959-1985  
445-447 EMD 7200-7202   SD24 3 1961-1985 Former demonstrators
470-499 700-729   GP20 30 1962-1984 Renumbered from 700-729 in 1962-1963
500-516   MKT 194-210 GP40 17 1988-1992  
534-571   MP 4500-4537 U23B 38 1983-1994  
581-599   MKT 211-230 GP40 19 1988-1998  
600-650 CRI&P 340-373,
4700-4719
  GP40 51 1980-1992 30 units renumbered to UP/MP
651-665   WP 3501-3516 GP40 15 1983-1993  
666-691   WP 3517-3544 GP40 26 1983-1986 Seven units renumbered to UP
667-684   MKT 231-248 GP40 18 1988- UP 684 is ex UP 666, originally MKT 231; renumbered to 9951-9966
700-735     GP30 36 1963-1989  
700B-726B     GP30B 27 1963-1983  
727B-739B     GP30B 13 1963-1983 Steam generator equipped
740-763     GP35 24 1964-1985 Including two former demonstrators
782-799   WP 3001-3022 GP35 17 1983-1993  
800-874     GP30 75 1962-1989  
844     Steam
4-8-4
1 1944- Heritage fleet
850-887     GP40 37 1989-1999 Leased from Helm; rebuilt to GP38-3 as UP 2527 series
900-905   WP 3545-3550 GP40-2 6 1983-1991 Rebuilt to slug control units, renumbered to 3002-3007
906-914   WP 3551-3559 GP40-2 9 1983- Renumbered to UP 1461-1469
954-959 90-95   GP40X 6 1989-2001 Renumbered to UP 5500-5505
949     E9A 1 1990- Heritage fleet; rebuilt by VMV in 1993
951     E9A 1 1955- Heritage fleet; rebuilt by VMV in 1993
963B ARR P-7   E9B 1 1990- Heritage fleet; rebuilt by VMV in 1993
1000-1095     NW2 96 1939-1985 1000 was former EMC demonstrator 889
1000-1014 1275-1284 Ex P&LE MP15DC 15 1985-1987 Renumbered to UP 1300-1314
1200, 1201 1848, 1839   SW10 2 1980-1997 1201 renumbered to 1244
1202-1274     SW10 73 1980-1998 Rebuilt from UP SW7s, UP, MP, and WP SW9s, UP TR5As; UP 1243 in heritage fleet after 1993 (renumbered to UP 96 in 1998)
1275-1284 P&LE 1577-1582   MP15DC 15 1985 Renumbered to UP 1000-1014
1298, 1299     MK1200G 2 1994-1998 Natural gas fuel
1300-1314 P&LE 1574-1598   MP15DC 15 1985- Renumbered to UPY 1300-1314
1315-1317 1501-1503 WP 1501-1503 SW1500 3 1987- Renumbered to UPY 1040-1042
1318-1321   MP 1518-1521 SW1500 4 1983-1994  
1322, 1323   MKT 50, 51 SW1500 2 1988-1989  
1324-1327   MKT 52-55 SW1500 4 1988-2001 Renumbered to UPY 1036-1039
1329 NHL 1013   MP15AC 1 1989-1994 Returned to lessor; leased again as UP 1488
1330-1392   MP 1530-1554,
MP 1356-1392
MP15DC 62 1983- UP 1355 blank and not used; renumbered to UPY 1330-1392
1393-1396   MKT 56-59 MP15AC 4 1988-2001 Renumbered to UPY 1393-1396
1397-1428 SOO 1500-1531   MP15AC 32 1993- Renumbered to UPY 1397-1428
1400-1409     SDP35 10 1965-1985  
1500     PL1500 1 1993 Demonstrator leased from Peoria Locomotive Works.
1501-1503   WP 1501-1503 SW1500 3 1983-1988 Renumbered to 1315-1317
1555-1714   MP 1555-1714 GP15-1 160 1983- Renumbered to UPY 555-714
1715-1744   MP 1715-1744 GP15AC 30 1983-2001 Renumbered to UPY 715-744
1800-1824     SW7 25 1950-1985 18 units rebuilt to SW10s in 1982-1984
1825-1866     SW9 42 1953-1984 36 units rebuilt to SW10s in 1979-1984
1870-1877     TR5A 8 1951-1984 Seven units rebuilt to SW10s in 1981-1984
1870B-1877B     TR5B 8 1951-1984  
1800-1828   MP 2009-2073 GP38-2 29 1989- Renumbered to 300-328
1974 NHL 7789   GP38-2 1 1989-1994 Later rebuilt to UP GP38-3 2415
1975-1978   MKT 300-303 GP38 4 1988-1996  
1979-1981   MKT 322-324 GP38 3 1988-2001  
1982-1999   MKT 325-343 GP38AC 18 1988- Total of 18 units; five units retired by UP; six units renumbered to 1783-1799 group; renumbered to 283-299
2000-2059     GP38-2 60 1974- Renumbered to 500-559
2060   MP 2060 GP38-2 1 1986-1988 Assigned UP 2386, not renumbered
2060-2063   MKT 318-321 GP38-2 4 1988- Renumbered to 560-563
2076-2108   MP 2074-2110 GP38-2 37 1983- 22 units retired by UP; remaining 15 units renumbered to 349-363
2111-2237,
2238-2334
  MP 2111-2334 GP38-2 224 1983- Renumbered to 611-834
2335-2379   MP 2009-2053 GP38-2 45 1983-1987 Returned to lessor in 1987; leased again by UP as part of UP 1800-1829 in 1989
2335-2348   MKT 304-317 GP38-2 14 1988- Renumbered to 835-843, 279, and 845-848
2350-2358   MKT 380-388 GP39-2 9 1988- Renumbered to 1200-1208
2359-2378   MKT 360-379 GP39-2 20 1988- Renumbered to 1209-1228
2380-2389   MP 2054-2073 GP38-2 20 1983-1988 Returned to lessor in 1988; leased again by UP as part of UP 1800-1828 group
2400-2539 2400-2414
renumbered
from
2960-2974
  C30-7 140 1978-2001 86 units renumbered to 400-531 series; five units renumbered to 7874-7941 series
2810-2959     U30C 150 1972-1989  
3000-3039     SD40 40 1966-1992  
3000, 3001   MKT 226,227 GP40 2 1988-  
3002-3007 900-905 WP 3545-3550 GP40-2 6 1990- Renumbered from 900-905; renumbered to 1535-1540
3040-3047 EMD 434A-434H   SD40X 8 1966-1992  
3048-3082     SD40 35 1966-1992  
3083-3122     SD40 40 1971-1992  
3123-3399,
3400-3804
    SD40-2 682 1972- UP 3316, 3325, 3339 renumbered to 3100-3102 in 1996
3805-3808     SD40-2S 4 1980-  
3809-3844   MKT 600-636 SD40-2 36 1988-  
3900-3904   MP 6000-6004 SD40-2 5 1983-1994  
3905-3973   MP 6005-6073 SD40-2 69 1983-  
3985     Steam
4-6-6-4
1 1943- Heritage fleet
4000-4033   MP 3000-3033 SD40 34 1983-1992  
4034-4053   MP 3034-3053 SD40 20 1983-1984 Not renumbered
4054-4069   MP 3054-3069 SD40 16 1983-1992  
4070-4089   MP 3070-3089 SD40 20 1983-1986 Not renumbered
4090-4114   MP 3090-3114 SD40-2 25 1983-1994  
4115-4163   MP 3115-3163 SD40-2 49 1983- No UP 4130 (MP 3130 retired after merger); renumbered to 8927-8999 series and 9882-9950 series; seven units rebuilt to 2800 series SD38-2s
4164-4201   MP 3164-3201 SD40-2 38 1983-1990  
4202-4321   MP 3202-3321 SD40-2 120 1983-2001 Renumbered to 8927-8999 series and 9882-9950 series; 28 units rebuilt to 2800 series SD38-2s
5000-5059   MP 5000-5059 SD50 60 1983- UP 5001 renumbered to 9881 as part of UP 9980-9939 series; renumbered back to UP 5001
6000-6084     SD60 85 1986- Renumbered to 2155-2239
6085-6365     SD60M 281 1988- Renumbered to 2240-2520
6900-6946     DDA40X 47 1969-1985 6936 in heritage fleet after 1985
9000-9059   MP 9000-9059 C36-7 60 1985-2001 27 units renumbered to 2600 series; 22 units renumbered to 600 series; renumbered to 7942 series
9100-9355     C40-8 256 1987-  
9356-9405     C40-8W 50 1989-  
9406-9559     C41-8W 154 1990-  
9700-9739     C44-9W 40 1994-  
9997-9999     C44AC 3 1994- Renumbered to 6700-6702

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