Union Pacific Railroad
Locomotive Model Quantities (1934-2002)
(Return to Union Pacific Diesel Index Page)
As of April 2002
Compiled by Don Strack, for the (unpublished) 2001 UP Locomotive Directory
(Read more about the UP Locomotive Directories)
Alco End-cab Switch Locomotives -- 101 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| HH-1000 | 1 | 1 | 1251 | 1968-1970 | Ex Mt. Hood 51 |
| S-2 | 54 | 54 | 1100-1153 | 1943-1971 | Ex 1036-1054 |
| S-3 | 1 | 1 | 1250 | 1968-1970 | Ex Mt. Hood 50 |
| S-4 | 45 | 45 | 1154-1198 | 1955-1972 | |
Baldwin End-cab Switch Locomotives -- 12 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| VO-1000 | 6 | 6 | 1200-1205 | 1943-1962 | Ex 1055-1060 |
| DS-4-4-10 | 5 | 5 | 1206-1210 | 1948-1965 | |
| S12R | 1 | 1 | MKT 34 | 1988-1989 | Not assigned a UP number |
EMD End-cab Switch Locomotives -- 860 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Previous Number Series |
Years In Service |
Remarks |
| MP15AC | 97 | 1 | 1329 | 1989-1994 | Leased from Helm, to UP 1488 | |
| 4 | UPY 1393-1396 | 1393-1396 | 1988- | Ex MKT 56-59 | ||
| 32 | UPY 1397-1428 | 1397-1428 | 1993- | Ex SOO 1500-1531 | ||
| 2 | UPY 1429, 1430 | 1429, 1430 | 1997- | Leased from Helm | ||
| 57 | UPY 1431-1487 | 1431-1487 | 1996- | Ex SP 2702-2759 | ||
| 1 | UPY 1488 | 1488 | 1997- | Leased from Helm | ||
| MP15DC | 102 | 2 | UPY 1289, 1290 | 1289, 1290 | 1997- | Leased from Helm |
| 9 | UPY 1291-1299 | 1291-1299 | 1996- | Ex SP 2690-2701 | ||
| 15 | UPY 1300-1314 | 1300-1314 | 1985- | Ex 1000-1014, 1275-1284, P&LE 1574-1598 | ||
| 14 | UPY 1315-1328 | 1315-1328 | 1995- | Ex C&NW 1302-1316 | ||
| 62 | UPY 1330-1354, UPY 1356-1392 |
1330-1354, 1356-1392 |
1983- | Ex MP 1530-1554, 1356-1392 | ||
| NW2 | 98 | 96 | 1000-1095 | 1940-1985 | ||
| 2 | SN 607, WP 608 | 1983-1983 | Ex UP 1000, 1001, not assigned UP numbers | |||
| SW1 | 1 | 1 | SN 402 | 1983-1983 | Not assigned a UP number | |
| SW10 | 75 | 75 | 1200-1274 | 1979-1998 | 1243 renumbered to 96, in service as part of the heritage fleet | |
| SW1000 | 3 | 3 | D&RGW 141-144 | 1996-1998 | Not assigned UP numbers | |
| SW1200 | 146 | 139 | MP 1100-1299 | 1983-1985 | Not assigned UP numbers | |
| 4 | SP/SSW 2251-2277 | 1996-1998 | Not assigned UP numbers | |||
| 3 | D&RGW 133-139 | 1996-1998 | Not assigned UP numbers | |||
| SW1500 | 220 | 4 | UPY 1000-1003 | 1000-1003 | 1996- | |
| 28 | UPY 1004-1031 | 1004-1031 | 1996- | Leased from Helm | ||
| 4 | UPY 1036-1039 | 1324-1327 | 1988- | Ex MKT 52-55 | ||
| 3 | UPY 1040-1042 | 1315-1317 | 1983- | Ex 1501-1503, ex WP 1501-1503 | ||
| 1 | UPY 1084 | 1059 | 1997- | Leased from Helm | ||
| 174 | UPY 1060-1233 | 1060-1233 | 1996- | Ex SP/SSW 2451-2689 | ||
| 4 | 1318-1321 | 1983-1994 | Ex MP 1518-1521 | |||
| 2 | 1322, 1323 | 1988-1989 | Ex MKT 50, 51 | |||
| SW7 | 25 | 25 | 1800-1824 | 1950-1985 | ||
| SW9 | 77 | 42 | 1825-1866 | 1953-1984 | Some rebuilt to SW10s | |
| 29 | MP 1216-1251 | 1983-1985 | Some rebuilt to SW10s | |||
| 6 | WP 601-606 | 1983-1984 | Some rebuilt to SW10s | |||
| TR5A | 8 | 8 | 1870-1877 | 1951-1984 | Some rebuilt to SW10s | |
| TR5B | 8 | 8 | 1870B-1877B | 1951-1984 | ||
Fairbanks Morse End-cab Switch Locomotives -- 5 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| H10-44 | 5 | 5 | 1300-1304 | 1945-1965 | |
GE Switch Locomotive -- 1 unit
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| 44 ton | 1 | 1 | 903999 | 1947-1974 | |
MK Rail Switch Locomotives -- 2 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| MK1200G | 2 | 2 | 1298, 1299 | 1994-1998 | |
Alco 4-Axle Road Locomotives -- 88 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| FA-1 | 44 | 44 | 1600-1643 | 1947-1965 | Ex 1500A-1523A, 1542A, 1543A |
| FB-1 | 44 | 44 | 1600B,B-1642B,C | 1947-1965 | Ex 1524B-1541B |
EMD 4-Axle Road Locomotives -- 331 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| F3A | 89 | 89 | 900s, 1400s, 1500s | 1947-1964 | |
| F3B | 90 | 90 | 900s, 1400s, 1500s | 1947-1964 | |
| F7A | 26 | 20 | 1464-1483 | 1951-1964 | |
| 2 | WP 917, 921 | 1983-1983 | |||
| 4 | C&NW 400-403 | 1995-1996 | |||
| FP7 | 2 | 2 | 1498, 1499 | 1952-1964 | |
| F7B | 39 | 36 | 1464B,C-1498B,C | 1951-1965 | |
| 3 | C&NW 315, 410, 411 | 1995-1996 | |||
| F9A | 41 | 41 | 500-540 | 1958-1972 | |
| F9B | 44 | 43 | 500B-542B | 1958-1972 | |
| 1 | D&RGW 5763 | 1996 | |||
GE 4-Axle Road Locomotives -- 4 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| UM20B-A | 2 | 2 | 620, 621 | 1959-1963 | |
| UM20B-B | 2 | 2 | 620B, 621B | 1959-1963 | |
Alco 4-Axle Freight Locomotives -- 33 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| C-415 | 5 | 5 | CRI&P 420-424 | 1980 | Not assigned UP numbers |
| RS-1 | 12 | 12 | 1211-1222 | 1962-1969 | Ex Spokane International 200-211 |
| RS-1M | 1 | 1 | 1270 | 1959-1972 | Ex Bamberger 570 |
| RS-2 | 5 | 5 | 1291-1295 | 1947-1969 | Ex 1191-1195 |
| RS-27 | 4 | 4 | 675-678 | 1961-1971 | |
| RS-3M | 6 | 6 | MKT 142-154 | 1988 | Not assigned UP numbers |
EMD 4-Axle Freight Locomotives -- 2,788 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Previous Number Series |
Years In Service |
Remarks |
| GP15-1 | 173 | 13 | UPY 542-554 | 1542-1554 | 1995- | Ex C&NW, including 3 units previously retired by C&NW |
| 160 | UPY 555-714 | 1555-1714 | 1983- | Ex MP 1555-1714 | ||
| GP15AC | 30 | 30 | UPY 715-744 | 1715-1744 | 1983- | Ex MP 1715-1744 |
| GP18 | 103 | 103 | MP 1850-1896, 1900-1994 |
1983-1984 | Not assigned UP numbers | |
| GP20 | 39 | 30 | 470-499 | 700-729 | 1960-1984 | |
| 9 | 477-489 | WP 2001-2010 | 1983-1985 | |||
| GP28 | 2 | 2 | MP 2000, 2001 | 1983-1989 | Not assigned UP numbers | |
| GP30 | 118 | 36 | 700-735 | 1963-1989 | ||
| 76 | 800 875 | 1962-1989 | 875 was ex EMD demonstrator | |||
| 6 | D&RGW 3002-3015 | 1996- | Not assigned UP numbers | |||
| GP30B | 40 | 40 | 700B-739B | 1963-1983 | ||
| GP35 | 101 | 24 | 740-763 | 1964-1985 | ||
| 47 | MP 2502-2564 | 1983-1983 | Not assigned UP numbers | |||
| 17 | 782-799 | WP 3001-3022 | 1983-1993 | |||
| 13 | SP 6307-6359 | 1996-1999 | Not assigned UP numbers | |||
| GP35M | 18 | 18 | MP 2600-2617 | 1983-1987 | Not assigned UP numbers | |
| GP35R | 3 | 3 | SP/SSW 4160, 4201, 4203 |
1996-1999 | Not assigned UP numbers | |
| GP38 | 14 | 6 | MP 2002-2007 | 1983-1987 | Not assigned UP numbers | |
| 1 | 1974 | 1989-1994 | ||||
| 7 | 1975-1981 | MKT 300-303, MKT 322-324 |
1988- | |||
| GP38-2 | 702 | 1 | 279 | 2344 | 1988- | Ex MKT 313 |
| 1 | 280 | 2166 | 1983- | Ex MP 2166 | ||
| 29 | 300-328 | 1800-1828 | 1989- | Leased from Helm, ex MP | ||
| 17 | 330-346 | 1830-1846 | 1997- | Leased from Helm, ex MP | ||
| 2 | 347, 348 | 2000- | Leased from Helm | |||
| (15) | 349-363 | 2074-2110 | 2000- | Ex MP 2074-2110 | ||
| 35 | 365-399 | 1865-1899 | 1995- | Ex C&NW 4600-4634 | ||
| 10 | 400-409 | 1900-1909 | 1995- | Ex C&NW 4701-4710 | ||
| 61 | 410-470 | 1910-1970 | 1997- | Leased from LLPX | ||
| 27 | 471-497 | 1971-1997 | 1996- | Ex SP 4845-4871 | ||
| 60 | 500-559 | 2000-2059 | 1974- | |||
| 4 | 560-563 | 2060-2063 | 1988- | Ex MKT 318-321 | ||
| 44 | 564-607 | 2064-2107 | 1996- | Ex SP 4800-4844 | ||
| 224 | 611-834 | 2111-2334 | 1983- | Ex MP 2111-2334 | ||
| 18 | 835-848 | 2335-2348 | 1988- | Ex MKT 304-317 | ||
| 1 | 849 | C&NW 4711 | 1995- | |||
| 4 | 881-889 | 2381-2383, 2386 | 1998- | Leased from LLPX | ||
| 9 | 890-898 | 2390-2398 | 1997- | Leased from LLPX | ||
| 1 | 899 | 2425 | 1997- | Leased from Helm, rebuilt from a GP38 | ||
| 2 | 918, 919 | 2418, 2419 | 1998- | Leased from Helm, rebuilt from GP38s | ||
| 50 | 1027-1088 | 2527-2588 | 1998- | Leased from Helm, rebuilt from GP40s | ||
| 37 | 2074-2110 | 2074-2110 | 1983-1994 | Ex MP 2074-2110 (15 units renumbered to 349-363) | ||
| 65 | 2335-2399 | MP 2009-2073 | 1983-1988 | |||
| GP38-3 | 45 | 18 | 900-917 | 2400-2417 | 1996- | Leased from Helm, rebuilt from GP38s |
| 27 | 1000-1026 | 2500-2526 | 1997- | Leased from Helm, rebuilt from GP40s | ||
| GP38AC | 18 | 18 | 283-299 | 1783-1799 | 1988- | Ex 1982-1999, ex MKT 325-343 |
| GP39-2 | 51 | 9 | 1200-1208 | 2350-2358 | 1988- | Ex MKT 380-388, ex KCC |
| 20 | 1209-1228 | 2359-2378 | 1988- | Ex MKT 360-379 | ||
| 20 | 1229-1248 | 2729-2748 | 1996- | Leased from Connell, ex B&M | ||
| 2 | 2749, 2750 | 1996-2001 | Leased from Helm, ex KCC | |||
| GP40 | 278 | 17 | 500-516 | MKT 194-210 | 1988-1992 | |
| 17 | 581-599 | MKT 211-230 | 1988-1998 | |||
| 51 | 600-650 | CRI&P 340-373, 4700-4719 |
1980-1992 | |||
| 41 | 651-691 | WP 3501-3544 | 1983-1993 | |||
| 18 | 667-684 | MKT 231-248 | 1988- | |||
| 33 | 685-717 | 633-665 | 1995- | Ex C&NW 5500-5537 | ||
| 28 | 718-726 727-737 738-745 |
D&RGW 3054-3080 D&RGW 3131-3153 D&RGW 3081-3093 |
1996-2001 | |||
| (2) | 800-811 | 581-599 | 1997-1998 | Ex MKT 211-230 | ||
| 38 | 850-887 | 1989-1998 | ||||
| 2 | 3000, 3001 | 595, 596 | 1988- | Ex MKT 226, 227 | ||
| (9) | 9951-9966 | 667-684 | 2000- | Ex MKT 231-248 | ||
| (6) | 9967-9985 | 685-717 | 2000- | Ex C&NW 5501-5537 | ||
| 7 | D&RGW 3051-3068 | 1996-1998 | Not assigned UP numbers | |||
| 2 | D&RGW 3139, 3152 | 1996-1998 | Not assigned UP numbers | |||
| 24 | MKT 170-193 | 1988-1992 | Not assigned UP numbers | |||
| GP40-2 | 173 | 9 | 1301-1309 | SP 7609-7625 | 1996- | |
| 32 | 1310-1341 | SP/SSW 7240-7273 | 1996-2000 | Not renumbered prior to retirement | ||
| 31 | 1342-1372 | 5242-5272 | 1996- | Ex D&RGW 3094-3128 | ||
| 52 | 1374-1426 | 5275-5326 | 1996- | Ex SP/SSW 7608-7675 | ||
| 14 | 1427-1440 | 5327-5340 | 1996- | Ex SP 7940-7958 | ||
| 4 | 1441-1444 | SP 7960-7966 | 1996- | |||
| 2 | 1445, 1446 | 5345, 5346 | 1996- | Ex D&RGW 3129, 3130 | ||
| 2 | 1447, 1448 | 5347, 5348 | 1996- | Ex D&RGW 3095, 3101 | ||
| 4 | 1449-1452 | SSW 7660-7677 | 1996- | |||
| 5 | 1453-1457 | 5353-5357 | 1996- | Ex SP 7941-7959 | ||
| 3 | 1458-1460 | SSW 7961-7965 | 1996- | |||
| 9 | 1461-1469 | 5361-5369 | 1983- | Ex 906-914, ex WP 3551-3559 | ||
| 6 | 1535-1540 | 3002-3007 | 1983- | Ex 900-905, ex WP 3545-3550 | ||
| GP40M-2 | 65 | 65 | 1470-1534 | 5370-5434 | 1996- | Ex SP 7100s, SSW 7200s |
| GP40P-2 | 3 | 1 | 1300 | SP 7600 | 1996- | |
| 2 | 1373, 1375 | SP 7601, 7602 | 1996- | |||
| GP40X | 7 | 6 | 954-959 | 90-95 | 1978-2001 | Ex 9000-9005 |
| (2) | 5500-5505 | 954-959 | 1978-2001 | Ex 90-95, ex 9000-9005 | ||
| 1 | 9999 | SP 7231 | 1996-2001 | |||
| GP50 | 78 | 48 | 1610-1657 | 5510-5557 | 1995- | Ex 900-947, ex C&NW 5050-5099 |
| 30 | 1658-1687 | 5558-5587 | 1982 | Ex 960-989, ex 50-79, ex MP 3500-3529 | ||
| GP60 | 194 | 3 | 1900-1902 | 5700-5702 | 1996- | Ex D&RGW 3154-3156 |
| 191 | 1903-1993 | 5703-5893 | 1996- | Ex SP/SSW 9600-9794 | ||
| GP7 | 75 | 30 | 100-129 | 700-729 | 1953-1984 | |
| 12 | 100-115 | WP/SN 701-713 | 1983-1985 | |||
| 33 | MKT 91-123 | 1988-1989 | Not assigned UP numbers | |||
| GP7R | 90 | 90 | C&NW 4100-4344 | 1995-2000 | Not assigned UP numbers | |
| GP9 | 235 | 74 | 130-203 | 1954-1985 | 204 renumbered to 249 | |
| 40 | 205-244 | 1954-1985 | No dynamic braking | |||
| 55 | 245-299 | 1954-1985 | ||||
| 50 | 300-349 | 1957-1985 | ||||
| 6 | 300-308 | WP 725-732 | 1983-1985 | |||
| 10 | SP 3194-3880 | 1996-1998 | Not assigned UP numbers | |||
| GP9B | 125 | 75 | 130B-204B | 1954-1979 | ||
| 50 | 300B-349B | 1957-1979 | ||||
| GP9R | 16 | 16 | C&NW 4307-4559 | 1995-2000 | Not assigned UP numbers | |
Fairbanks Morse 4-Axle Freight Locomotives -- 19 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| H15-44 | 5 | 5 | 1325-1329 | 1948-1965 | |
| H16-44 | 3 | 3 | 1340-1342 | 1950-1965 | |
| H20-44 | 11 | 11 | 1360-1370 | 1947-1964 | |
GE 4-Axle Freight Locomotives -- 468 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Previous Number Series |
Years In Service |
Remarks |
| B23-7 | 96 | 82 | 100-184 | MP 4600-4684 | 1983- | |
| 14 | 185-198 | SP 5100-5114 | 1996- | |||
| B23-7M | 3 | 3 | 257-259 | MP 4667-4669 | 1983- | |
| B30-7 | 102 | 102 | 7742-7873 | 260-361 | 1996- | Ex SP/SSW 7700 and 7800 series |
| B30-7A | 55 | 55 | 200-254 | MP 4800-4854 | 1983- | |
| B36-7 | 16 | 16 | 384-399 | SP/SSW 7754-7770 | 1996-2000 | |
| B40-8 | 91 | 91 | 1800-1899 | 5609-5699 | 1996- | Ex SP/SSW 8000-8093 |
| U23B | 51 | 13 | WP 2251-2265 | 1983-1987 | Assigned UP 520-533, not renumbered | |
| 38 | 534-571 | MP 4500-4537 | 1983-1994 | |||
| U25B | 16 | 16 | 625-640 | 1961-1972 | ||
| U28B | 20 | 20 | 500-519 | CRI&P 262-281 | 1980-1982 | |
| U30B | 18 | 18 | WP 3051-3069 | 1983-1983 | Not assigned UP numbers | |
Alco 6-Axle Freight Locomotives -- 21 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| C-630 | 10 | 10 | 2900-2909 | 1966-1973 | |
| RSC-2 | 11 | 11 | 1280-1290 | 1947-1971 | Ex 1180-1190 |
Baldwin 6-Axle Freight Locomotives -- 7 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| DRS-6-4-15 | 1 | 1 | 1250 | 1948-1962 | |
| AS-616 | 6 | 6 | 1260-1265 | 1952-1969 | |
EMD 6-Axle Freight Locomotives -- 4,653 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Previous Number Series |
Years In Service |
Remarks |
| SD18R | 23 | 23 | C&NW 6622-6647 | 1995- | Not assigned UP numbers | |
| SD24 | 34 | 34 | 400-429, 445-448 | 1959-1985 | ||
| SD24B | 45 | 45 | 400B-444B | 1959-1981 | ||
| SD24M | 1 | 1 | 99 | 1968-1985 | Ex 3100, 3200, 3399, 3999 | |
| SD35R | 11 | 11 | SP 2957-2970 | 1996- | Not assigned UP numbers | |
| SD38-2 | 58 | 6 | UPY 800-805 | 2800-2805 | 1995- | Ex C&IM 70-75 |
| 10 | UPY 806-815 | 2806-2815 | 1995- | Ex C&NW 6650-6659 | ||
| 9 | UPY 816-823 | 2816-2823 | 1997- | Rebuilt from MP SD40-2s | ||
| 1 | UPY 824 | 2824 | 1997- | Ex McCloud 39 | ||
| 5 | UPY 825-829 | 2825-2829 | 1997- | Rebuilt from MP SD40-2s | ||
| 6 | UPY 830-835 | 2830-2835 | 1996- | Ex SP 2971-2976 | ||
| 11 | UPY 836-846 | 2836-2846 | 1998- | Rebuilt from MP SD40-2s | ||
| 11 | UPY 847-857 | 1999- | Rebuilt from MP SD40-2s | |||
| SD39 | 2 | 2 | SP 5298, 5318 | 1996-1999 | (assigned UP 2850, 2851, not renumbered) | |
| SD40 | 205 | 40 | 3000-3039 | 1966-1992 | ||
| 35 | 3048-3082 | 1966-1992 | ||||
| 40 | 3083-3122 | 1971-1992 | ||||
| 90 | 4000-4089 | MP 3000-3089 | 1983-1992 | |||
| SD40-2 | 1,203 | 43 | 2783-2825 | 4733-4775 | 1998- | Rebuilt from SD39s, SD40s, SD45s |
| 48 | 2952-2999 | C&NW 6800s | 1995- | |||
| 84 | 3015-3098 | C&NW 6800s, C&NW 6900s |
1995- | |||
| 4 | 3099-3102 | 1996- | Ex Olympic units, ex special service units | |||
| 682 | 3123-3399 3400-3804 |
1972- | ||||
| 36 | 3809-3844 | MKT 600-637 | 1988- | |||
| 75 | 3900-3974 | MP 6000-6074 | 1983- | |||
| 231 | 4090-4201 4202-4321 |
MP 3090-3321 | 1983- | |||
| (7) | 8920-8926 | 2000- | Various B unit UP SD40-2s | |||
| (73) | 8927-8999 | 2000- | Various B unit ex MP SD40-2s | |||
| (69) | 9882-9950 | 2000- | Various ex MP SD40-2s | |||
| SD40-2S | 4 | 4 | 3805-3808 | 1980- | ||
| SD40-2T | 40 | 40 | 2826-2863 | 4794-4831 | 1998- | Rebuilt from ex SP/SSW SD45T-2s |
| SD40M-2 | 133 | 133 | 2650-2782 | 4600-4732 | 1996- | Ex SP 8574-8706 |
| SD40R | 83 | 83 | SP 7300-7385 | 1996- | Not assigned UP numbers | |
| SD40T-2 | 301 | 84 | 2866-2949 | 1996- | Various refurbished ex SP/SSW and D&RGW SD40T-2s | |
| 47 | 8570-8638 | 4000-4068 | 1996- | Ex D&RGW 5341-5413; 22 units to 2866-2949 series | ||
| 170 | 8639-8869 | 4369-4599 | 1996- | Ex SP/SSW 8230-8391, 8489-8573; 62 units to 2866-2949 series | ||
| SD40X | 8 | 8 | 3040-3047 | 1966-1992 | ||
| SD44R | 1 | 1 | SP 7399 | 1996-1998 | Not assigned a UP number | |
| SD45 | 70 | 50 | 1-50 | 1968-1987 | Ex 3600-3649 | |
| 13 | C&NW 903-954, C&NW 6481-6584 |
1995-1997 | Not assigned UP numbers | |||
| 7 | D&RGW 5322-5331 | 1996- | Not assigned UP numbers | |||
| SD45M | 6 | 6 | 60-65 | 1980-1983 | Sulzer-powered | |
| SD45R | 143 | 142 | SP 7400-7536 | 1996- | Not assigned UP numbers | |
| 1 | C&NW 6564 | 1995-1997 | Not assigned a UP number | |||
| SD45T-2 | 208 | 38 | 4794-4831 | SP 6829-6868 | 1996-1999 | Originally rebuilt from SD45T-2 to SD45T-2R by SP in 1987-1989; renumbered out of original SP sequence; rebuilt to 3000 hp SD40-2T by VMV in 1998-1999; renumbered to 2826-2863 |
| 98 | 4832-4928 | SP/SSW 9189-9403 | 1996-2002 | Renumbered out of original SP sequence | ||
| 59 | 4929-4986 | SP 6793-6891 | 1996-2002 | Rebuilt by SP in 1987-1989; renumbered out of original SP sequence | ||
| 12 | 4987-4998 | SP/SSW 9276-9404 | 1996-2001 | No units renumbered to UP | ||
| 1 | 4999 | SP 6892 | 1996-1999 | Rebuilt by SP in 1989; not renumbered to UP | ||
| SD50 | 112 | 60 | 5000-5059 | MP 5000-5059 | 1984- | |
| 35 | 5060-5094 | C&NW 7000-7034 | 1995-2001 | |||
| 17 | 5095-5111 | D&RGW 5501-5517 | 1996- | |||
| (10) | 9835-9844 | 5000-5059 | 2002- | Ex MP 5000-5059 | ||
| (17) | 9845-9861 | 5095-5111 | (2002-) | Ex D&RGW 5501-5517 | ||
| (1) | 9881 | 5001 | 1999- | Ex MP 5001 | ||
| SD60 | 140 | 55 | 2100-2154 | 5945-5999 | 1995- | Ex C&NW 8001-8055 |
| 85 | 2155-2239 | 6000-6084 | 1986- | |||
| SD60M | 281 | 281 | 2240-2520 | 6085-6365 | 1988- | |
| SD7 | 24 | 10 | 450-459 | 775-784 | 1953-1982 | |
| 14 | SP 1503-1540 | 1996-1998 | Not assigned UP numbers | |||
| SD70M | 1357 | (2) | 2001, 2002 | 2001- | Olympic units | |
| 25 | 3974-3984, 3986-3999 |
SP 9800-9824 | 1996- | |||
| 1000 | 4000-4284, 4285-4634, 4635-4639, 4640-4709, 4710-4999 |
2001- | ||||
| 232 | 5000-5231 | 2002- | (deliveries continued through 2004) | |||
| SD9 | 12 | 12 | SP 4313-4450 | 1996-1998 | Not assigned UP numbers | |
| SD9043AC | 309 | 309 | 8000-8308 | 1995- | ||
| SD90AC | 20 | 20 | 8500-8521 | 1998- | UP 8500 and 8514 retained by EMD | |
| SD90AC-II | 40 | 40 | 8522-8561 | 2000- | ||
| SD-CAT | 1 | 1 | C&NW 6000 | 1995-1996 | Not assigned a UP number | |
| SDP35 | 10 | 10 | 1400-1409 | 1965-1985 | ||
GE 6-Axle Freight Locomotives -- 2,598 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Previous Number Series |
Years In Service |
Remarks |
| C30-7 | 140 | (86) | 400-531 | 2400-2539 | 1996-2001 | |
| 140 | 2400-2539 | 1978-2001 | 2400-2414 renumbered from 2960-2974 | |||
| (15) | 2960-2974 | 1977-1978 | ||||
| (5) | 7874-7941 | 400-531 2400-2539 |
2000-2001 | |||
| C36-7 | 60 | (34) | 600-659, 2600-2659 |
9000-9059 | 1996-2001 | |
| (27) | 2600-2659 | 9000-9059 | 1995-2001 | |||
| 60 | 9000-9059 | MP 9000-9059 | 1985-2001 | |||
| (19) | 7942-7999 | 600-659, 2600-2659 |
2000-2001 | |||
| C36M | 36 | 36 | 564-599 | 1999-2000 | ||
| C40-8 | 333 | 256 | 9100-9355 | 1987- | ||
| 77 | 9023-9099 | C&NW 8501-8577 | 1995- | |||
| C40-8W | 50 | 50 | 9356-9405 | 1989- | ||
| C41-8W | 154 | 154 | 9406-9559 | 1990- | ||
| C44-9W | 271 | (3) | 9596, 9659, 9668 | C&NW 8601-8730 | 1995- | Total of 130 units, assigned 9570-9699, three units renumbered; renumbered to 9665-9699 (C&NW 8601-8635) and 9740-9834 (C&NW 8636-8730) |
| 101 | 9564-9664 | SP 8100-8200 | 1996- | |||
| 35 | 9665-9699 | C&NW 8601-8635 | 1995- | 9691 is ex 9596 | ||
| 40 | 9700-9739 | 1994- | ||||
| 95 | 9740-9834 | C&NW 8636-8730 | 1995- | 9794 and 9803 are ex 9659 and 9668 | ||
| C44AC | 968 | 273 | 6148-6420 | SP 100-378 | 1996- | Not in SP sequence |
| 4 | 6421-6424 | 6500, 6527, 6534, 6895 | 2000- | Ex SP 221, 249, 256, 279 | ||
| 120 | 6430-6549 | 2000- | ||||
| 150 | 6550-6699 | 1997- | ||||
| 3 | 6700-6702 | 9997-9999 | 1999- | |||
| 35 | 6703-6737 | C&NW 8801-8835 | 1995- | |||
| 150 | 6738-6887 | 1996- | ||||
| 5 | 6995-6999 | 1999- | ||||
| 10 | 7000-7009 | GECX 4000-4009 | 1998- | |||
| 218 | 7080-7297 | 1997- | ||||
| C44AC-CTE | 165 | 165 | 5700-5864 | 2001- | ||
| C44/60AC | 106 | 36 | 7300-7335 | 1998- | ||
| 70 | 7336-7405 | 7010-7079 | 1996- | |||
| C60AC | 80 | 10 | 7500-7509 | 7000-7009 | 1998- | |
| 45 | 7510-7554 | 1998- | UP 7511 (2nd) built to replace 7511 (1st) | |||
| 25 | 7555-7579 | 2000- | ||||
| U28C | 10 | 10 | 2800-2809 | 1966-1981 | ||
| U30C | 185 | 150 | 2810-2959 | 1972-1989 | ||
| 35 | MP 2965-2999 | 1983-1989 | Assigned UP 2965-2999 | |||
| U50C | 40 | 40 | 5000-5039 | 1969-1978 | ||
Alco 6-Axle Passenger Locomotives -- 14 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| PA-1 | 8 | 8 | 600-607 | 1947-1965 | 600-603 were ex 994A-997A |
| PB-1 | 6 | 6 | 600B, 602B, 604B-607B |
1947-1965 | 600B, 602B were ex 998B, 999B |
EMD 6-Axle Passenger Locomotives -- 149 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| E2A | 2 | 2 | 983J, 984J | 1937-1948 | |
| E2B | 4 | 4 | 983B,C, 984B,C | 1937-1953 | |
| E3A | 1 | 1 | 991 | 1939-1956 | |
| E3B | 1 | 1 | 992B | 1939-1956 | |
| E6A | 8 | 8 | 985J, 987, 992-997 |
1940-1956 | |
| E6B | 4 | 4 | 985B,C, 987B,C | 1941-1956 | |
| E7A | 7 | 7 | 986, 988J,
988, 989, 990, 998, 999 | 1946-1963 | |
| E7B | 7 | 7 | 986BJ,CJ, 988B, 990B, 994B, 996B, 998B |
1946-1963 | |
| E8A | 18 | 18 | 925-942 | 1950-1980 | |
| E8B | 28 | 28 | 922B-949B | 1950-1973 | |
| E9A | 35 | 35 | 900-914, 943-962 |
1954-1980 | 949, 951 in service as part of the heritage fleet |
| E9B | 34 | 34 | 900B-904B, 910B-913B, 950B-974B |
1954-1980 | 966B, 970B (as 963B) in service as part of the heritage fleet |
Fairbanks Morse 6-Axle Passenger Locomotives -- 13 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| Erie A | 8 | 8 | 650-657 | 1945-1961 | |
| Erie B | 5 | 5 | 650B, 652B, 653B, 654B, 656B |
1945-1961 | |
Alco 8-Axle Freight Locomotives -- 3 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| C-855A | 2 | 2 | 60, 61 | 1964-1970 | |
| C-855B | 1 | 1 | 60B | 1964-1970 | |
EMD 8-Axle Freight Locomotives -- 89 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| DD35 | 27 | 27 | 72B-98B | 1964-1981 | |
| DDA35 | 15 | 15 | 70-84 | 1965-1981 | |
| DDA40X | 47 | 47 | 6900-6946 | 1969-1985 | 6936 still in service as part of the heritage fleet |
GE 8-Axle Freight Locomotives -- 23 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| U50 | 23 | 23 | 31-53 | 1963-1977 | |
GE 4500 GTEL Gas Turbine Electric Locomotives -- 26 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| 4500 GTEL | 26 | 1 | 50 | 1949-1951 | Double-cab |
| 10 | 51-60 | 1952-1964 | Standard | ||
| 15 | 61-75 | 1954-1964 | Veranda | ||
GE 8500 GTEL Gas Turbine Electric Locomotives -- 30 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| 8500 GTEL | 30 | 30 | 1-30 | 1958-1970 | Later rebuilt to 10,000 horsepower |
Coal Turbine Locomotive -- 1 unit
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| Coal Turbine | 1 | 1 | 80 | 1962-1964 | |
Steam Turbine Locomotives -- 2 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| Steam Turbine | 2 | 2 | 1, 2 | 1939 | |
Pullman Articulated Trains -- 10 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| Streamliner | 7 | 1 | M-10000 | 1934-1941 | |
| 1 | M-10001 | 1934-1939 | Two versions: 900 hp and 1200 hp | ||
| 1 | M-10002 | 1936-1946 | |||
| 1 | LA-4 | 1936-1939 | Ex M-10004 | ||
| 3 | CD-05, CD-06, CD-07 |
1936-1953 | Ex M-10003, M-10005, M-10006 | ||
| Streamliner Booster |
3 | 3 | CD-05-C, CD-06-C, CD-07-C |
1939-1953 | |
Yard Slugs -- 35 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| SL-1 | 6 | 6 | S1-S6 | 1973-1989 | Rebuilt from UP GP9Bs |
| SL-1 | 2 | 2 | S7, S8 | 1978-1989 | Rebuilt from UP SD24Bs |
| SL-1 | 23 | 23 | S9-S31 | 1983- | Ex MP 1400-1422; later as UPY 903-925 |
| SL-4B | 3 | 3 | S1-S3 | 1996- | Ex SP 1010-1013 |
| SL-1 | 1 | 1 | MKT 500 | 1988 | Not assigned a UP number |
Road Slugs -- 13 units
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| S4-B | 1 | 1 | S300 | 1988- | Ex S50, ex MKT 501; later as UPY 926 |
| S5-2B | 3 | 3 | S301-S303 | 1991- | Rebuilt from GP30s; later as UPY 927-929 |
| S3-2B | 9 | 9 | S310-S320 | 1996- | Ex SP 1600-1613; later as UPY 930-938 |
Steam Locomotives -- 2 locomotives
| Model | Model Qty |
Qty | Most Recent Number Series |
Years In Service |
Remarks |
| 4-6-6-4 | 1 | 1 | 3985 | 1943- | |
| 4-8-4 | 1 | 1 | 844 | 1944- |
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