Published: May 4, 2026
By: Adam Burns
The Delaware & Hudson, one of America’s oldest railroads, completed its shift from steam to diesel in the late 1940s and early 1950s. Long tied to Alco’s Schenectady plant on its own lines, the D&H built an almost exclusively Alco first-generation fleet. It started with Alco S-2 and S-4 switchers (3000–3050 series) for yard and local work. Road power followed with 26 RS-2s (4000–4025, 1946–1949) and more than 100 RS-3s (4026–4129, 1950–1953). These black road-switchers became the backbone of freight service on the D&H’s rugged coal routes through New York, Pennsylvania, and Vermont. A few RS-11s and RS-36s arrived in the early 1960s, keeping the Alco emphasis intact.
A trio of Delaware & Hudson's PA-1s (#18, #17, and #19) lead the "Susquehanna Valley Special" (Binghamton - Albany, New York) excursion near Afton, New York on September 29, 1973. Aron Blum photo.By the mid-1960s, higher horsepower was essential for heavier trains. In 1965 the D&H bought 18 Alco C-628 “Century” six-axle units (601–618), the largest single order of the model. It briefly sampled EMD power with three SD45 demonstrators (801–803) in 1966—its only EMD road locomotives until later decades. GE entered the roster in 1967 with a dozen U30Cs (701–712), followed by U33Cs (751–762). Some U33Cs were acquired via trades with Erie Lackawanna.
The most celebrated chapter began in December 1967 when the D&H purchased four ex–Santa Fe Alco PA-1 cab units (16–19). A fifth New Haven unit supplied parts. Repainted in striking blue-and-gray “Lightning Stripe” livery, the PAs powered passenger trains such as the Laurentian and generated goodwill excursions. In 1974–75 Morrison-Knudsen rebuilt them as PA-4s with modern 2,400-hp Alco 251 V-12 engines, allowing continued service on Amtrak’s Adirondack into the late 1970s.
As Alco parts grew scarce, the D&H turned to rebuild programs. Morrison-Knudsen converted RS-3s into RS-3Ms (501–508) and reworked C-420s and C-424Ms. Two Baldwin “Sharknose” RF-16s (1205, 1216) added exotic variety after secondhand acquisition. Later GE U23Bs (301–316 and specials such as 1776) and, under changing ownership in the 1970s–80s, GP38-2s and GP39-2s rounded out the fleet.
The D&H’s roster was never huge but was remarkably eclectic—Alco, GE, EMD, and Baldwin all represented. Its early all-Alco road-switcher fleet, high-horsepower Centurys, and glamorous PAs made it a favorite with railfans. By the time Guilford Transportation took over in 1988 (later Canadian Pacific), most classic Alcos had been retired or sold, but the four PAs survive in preservation today—fitting monuments to a roster that was always a little different.
| Number | Model | Serial Number | Completion Date | Retirement | Notes |
|---|---|---|---|---|---|
| 16 | PA-1 | 76535 | 10/1948 | Sold in 1978. | Built as AT&SF #59L; acquired in December, 1967. Rebuilt by Morrison-Knudsen to "PA-4" in May, 1975. Sold to Ferrocarriles Nacionales de México in 1978. Shell acquired by Doyle McCormack in 2002 and donated to the Smithsonian. Acquired by the Museum of the American Railroad of Frisco, Texas in 2011. Currently under longterm restoration. |
| 17 | PA-1 | 76537 | 11/1948 | Sold in 1978. | Built as AT&SF #60L; acquired in December, 1967. Rebuilt by Morrison-Knudsen to "PA-4" in October, 1975. Sold to Ferrocarriles Nacionales de México in 1978. |
| 18 | PA-1 | 76541 | 12/1948 | Sold in 1978. | Built as AT&SF #62L; acquired in December, 1967. Rebuilt by Morrison-Knudsen to "PA-4" in August, 1975. Sold to Ferrocarriles Nacionales de México in 1978. Shell acquired by Doyle McCormack in 2002 and restored for more than 20 years. Sold to Genesee Valley Transportation in 2023. Restoration completed in 2025. |
| 19 | PA-1 | 75318 | 5/1947 | Sold in 1978. | Built as AT&SF #54B (renumbered #66L); acquired in December, 1967. Rebuilt by Morrison-Kundsen to "PA-4" specs in February, 1975. Sold to Ferrocarriles Nacionales de México in 1978. |
| 0783 | PA-1 | 76325 | 3/1949 | Scrapped in 1972. | Built as New Haven #0783; acquired 2/1968. Parts source. |
| PA-1 | PA-4 | |
|---|---|---|
| Engine | 16-cylinder 244 | 12-cylinder 251F |
| Trucks | A-1-A | A-1-A |
| Truck Type | Alco/GE | Alco/GE |
| Fuel (gals.) | 1,260 | 1,260 |
| Sand (cu. ft.) | 22 | 22 |
| Weight (lbs.) | 317,900 | 317,900 |
| Horsepower | 2000 hp | 2400 hp |
| Traction Motors | GE E752E6 | GE E752E6 |
| Tractive Effort | 33,000 lbs. @ 19 mph | 33,000 lbs. @ 19 mph |
| Gearing | 61:22 | 61:22 |
| Number | Model | Serial Number | Completion Date | Retired/Sold | Notes |
|---|---|---|---|---|---|
| 200 | C-420 | 84722 | 12/1963 | 12/1977 | ex-LIRR #200 |
| 201 | C-420 | 84723 | 12/1963 | 12/1977 | ex-LIRR #201 |
| 202 | C-420 | 84724 | 12/1963 | 12/1977 | ex-LIRR #202 |
| 203 | C-420 | 84725 | 12/1963 | 12/1977 | ex-LIRR #203 |
| 204 | C-420 | 84726 | 1/1964 | 12/1977 | ex-LIRR #204 |
| 205 | C-420 | 84727 | 2/1964 | 12/1977 | ex-LIRR #205 |
| 206 | C-420 | 84728 | 2/1964 | 12/1977 | ex-LIRR #206 |
| 207 | C-420 | 84729 | 2/1964 | 12/1977 | ex-LIRR #207 |
| 208 | C-420 | 84779 | 3/1964 | 12/1977 | ex-LIRR #208 |
| 209 | C-420 | 84780 | 3/1964 | 12/1977 | ex-LIRR #209 |
| 210 | C-420 | 84781 | 3/1964 | 12/1977 | ex-LIRR #210 |
| 211 | C-420 | 84782 | 3/1964 | 12/1977 | ex-LIRR #211 |
| 401 | C-420 | 34003 | 7/1966 | Sold 1987 | ex-LV #401; acquired on April 1, 1976. |
| 404 | C-420 | 3385-01 | 11/1964 | Sold 1987 | ex-LV #404; acquired on April 1, 1976. |
| 405 | C-420 | 3385-02 | 11/1964 | Sold 1987 | ex-LV #405; acquired on April 1, 1976. |
| 406 | C-420 | 3385-03 | 11/1964 | Sold 1987 | ex-LV #406; acquired on April 1, 1976. |
| 407 | C-420 | 3385-04 | 11/1964 | Sold 1987 | ex-LV #407; acquired on April 1, 1976. |
| 408 | C-420 | 3385-05 | 11/1964 | Sold 1987 | ex-LV #408; acquired on April 1, 1976. |
| 409 | C-420 | 3385-06 | 12/1964 | Sold 1987 | ex-LV #409; acquired on April 1, 1976. |
| 410 | C-420 | 3385-07 | 12/1964 | Sold 1987 | ex-LV #410; acquired on April 1, 1976. Following wreck damage, rebuilt with cut-down high nose from N&W C-420. |
| 411 | C-420 | 3385-08 | 12/1964 | Sold 1987 | ex-LV #411; acquired on April 1, 1976. |
| 412 | C-420 | 3385-09 | 12/1964 | Sold 1987 | ex-LV #412; acquired on April 1, 1976. |
| 413 | C-420 | 3385-10 | 12/1964 | Sold 1987 | ex-LV #413; acquired on April 1, 1976. |
| 414 | C-420 | 3385-11 | 12/1964 | Sold 1987 | ex-LV #414; acquired on April 1, 1976. |
| 415 | C-420 | 3385-12 | 12/1964 | Sold 1987 | ex-LV #415; acquired on April 1, 1976. |
All former Erie Lackawanna and Reading units. Rebuilt by GE at Hornell, New York in 1980.
| Number | Model | Serial Number | Completion Date | Retirement/Sold | Notes |
|---|---|---|---|---|---|
| 451 | C-424 | 84543 | 2/1963 | 1994 | Built as Erie Lackawanna #2401; became Conrail #2475. |
| 452 | C-424 | 84735 | 11/1963 | 1994 | Built as Reading #5206, became Conrail #2495. |
| 453 | C-424 | 84548 | 6/1963 | 1994 | Built as Erie Lackawanna #2406, became Conrail #2480. |
| 454 | C-424 | 84549 | 6/1963 | 1994 | Built as Erie Lackawanna #2407, became Conrail #2481. |
| 455 | C-424 | 84556 | 6/1963 | 1994 | Built as Erie Lackawanna #2414, became Conrail #2488. |
| 456 | C-424 | 84736 | 11/1963 | 1994 | Built as Reading #5207, became Conrail #2496. |
| 461 | C-424 | 84544 | 5/1963 | 1994 | Built as Erie Lackawanna #2402, became Conrail #2476. |
| 462 | C-424 | 84547 | 6/1963 | 1994 | Built as Erie Lackawanna #2405, became Conrail #2479. |
| 463 | C-424 | 84550 | 6/1963 | 1994 | Built as Erie Lackawanna #2408, became Conrail #2482. |
All sold in December, 1978 to Diesel Supply International and subsequently leased to the National Railways of Mexico.
| Number | Model | Serial Number | Completion Date |
|---|---|---|---|
| 601 | C-628 | 3373-1 | 3/1964 |
| 602 | C-628 | 3373-2 | 3/1964 |
| 603 | C-628 | 3373-3 | 3/1964 |
| 604 | C-628 | 3373-4 | 3/1964 |
| 605 | C-628 | 3373-5 | 4/1964 |
| 606 | C-628 | 3373-6 | 4/1964 |
| 607 | C-628 | 3373-7 | 5/1964 |
| 608 | C-628 | 3373-8 | 5/1964 |
| 609 | C-628 | 3373-9 | 5/1964 |
| 610 | C-628 | 3407-1 | 5/1965 |
| 611 | C-628 | 3407-2 | 5/1965 |
| 612 | C-628 | 3407-3 | 5/1965 |
| 613 | C-628 | 3407-4 | 5/1965 |
| 614 | C-628 | 3407-5 | 5/1965 |
| 615 | C-628 | 3407-6 | 5/1965 |
| 616 | C-628 | 3407-7 | 5/1965 |
| 617 | C-628 | 3407-8 | 5/1965 |
| 618 | C-628 | 3407-9 | 5/1965 |
| Number | Model | Serial Number | Completion Built | Notes |
|---|---|---|---|---|
| 3000 | S-2 | 72035 | 5/1944 | 10/1962 |
| 3001 | S-2 | 72749 | 9/1944 | 8/1963 |
| 3002 | S-2 | 73358 | 5/1945 | 12/1955 |
| 3003 | S-2 | 73359 | 5/1945 | 8/1963 |
| 3004 | S-2 | 74329 | 9/1945 | 2/1956 |
| 3005 | S-2 | 74330 | 9/1945 | 8/1956 |
| 3006 | S-2 | 74334 | 10/1945 | 1/1956 |
| 3007 | S-2 | 74335 | 10/1945 | 2/1956 |
| 3008 | S-2 | 74344 | 11/1945 | 1/1963 |
| 3009 | S-2 | 74345 | 11/1945 | 2/1956 |
| 3010 | S-2 | 74346 | 11/1945 | 2/1956 |
| 3011 | S-2 | 74347 | 11/1945 | 6/1963 |
| 3012 | S-2 | 75550 | 12/1947 | 11/1955 |
| 3013 | S-2 | 75551 | 12/1947 | 1/1964 |
| 3014 | S-2 | 75552 | 12/1947 | 11/1955 |
| 3015 | S-2 | 75553 | 12/1947 | 11/1968 |
| 3016 | S-2 | 75554 | 1/1948 | 11/1955 |
| 3017 | S-2 | 75649 | 1/1948 | 11/1955 |
| 3018 | S-2 | 76197 | 1/1948 | 12/1963 |
| 3019 | S-2 | 76198 | 11/1948 | 8/1964 |
| 3020 | S-2 | 76199 | 11/1948 | 1/1964 |
| 3021 | S-2 | 76200 | 11/1948 | 2/1966 |
| 3022 | S-2 | 76201 | 11/1948 | 12/1963 |
| 3023 | S-2 | 76512 | 12/1948 | 1/1969 |
| 3024 | S-2 | 76513 | 12/1948 | 6/1965 |
| 3025 | S-2 | 76514 | 12/1948 | 6/1964 |
| 3026 | S-2 | 76515 | 12/1948 | 10/1969 |
| 3027 | S-2 | 76516 | 1/1949 | 6/1964 |
| 3028 | S-2 | 77816 | 11/1949 | 9/1965 |
| 3029 | S-2 | 77817 | 11/1949 | 1/1964 |
| 3030 | S-2 | 77818 | 11/1949 | 6/1964 |
| 3031 | S-2 | 77819 | 11/1949 | 6/1965 |
| 3032 | S-2 | 77820 | 11/1949 | 6/1965 |
| Number | Model | Serial Number | Completion Date | Sold |
|---|---|---|---|---|
| 3033 | S-4 | 78029 | 9/1950 | 6/1968 |
| 3034 | S-4 | 78030 | 9/1950 | 2/1966 |
| 3035 | S-4 | 78031 | 9/1950 | 4/1969 |
| 3036 | S-4 | 78032 | 9/1950 | 3/1966 |
| 3037 | S-4 | 78231 | 9/1950 | 1/1969 |
| 3038 | S-4 | 78232 | 9/1950 | 6/1968 |
| 3039 | S-4 | 78233 | 9/1950 | 2/1966 |
| 3040 | S-4 | 78234 | 9/1950 | Scrapped in 11/1968. |
| 3041 | S-4 | 78235 | 9/1950 | 8/1967 |
| 3042 | S-4 | 78236 | 9/1950 | 11/1970 |
| 3043 | S-4 | 78237 | 9/1950 | 3/1965 |
| 3044 | S-4 | 78238 | 9/1950 | 11/1966 |
| 3045 | S-4 | 78239 | 10/1950 | 8/1967 |
| 3046 | S-4 | 78240 | 10/1950 | 11/1966 |
| 3047 | S-4 | 78406 | 10/1950 | 8/1967 |
| 3048 | S-4 | 78407 | 10/1950 | 5/1966 |
| 3049 | S-4 | 78408 | 10/1950 | 2/1966 |
| 3050 | S-4 | 78409 | 10/1950 | 10/1969 |
| Number | Model | Serial Number | Completion Date | Retirement Date |
|---|---|---|---|---|
| 4000 | RS-2 | 74991 | 11/1946 | 4/1961 |
| 4001* | RS-2 | 74997 | 12/1946 | 7/1961 |
| 4002 | RS-2 | 74998 | 12/1946 | 4/1961 |
| 4003* | RS-2 | 75131 | 12/1946 | 5/1961 |
| 4004 | RS-2 | 75132 | 12/1946 | 6/1961 |
| 4005* | RS-2 | 75137 | 2/1947 | 12/1971 |
| 4006* | RS-2 | 75141 | 3/1947 | 5/1965 |
| 4007* | RS-2 | 75566 | 1/1948 | 4/1961 |
| 4008 | RS-2 | 75567 | 1/1948 | 3/1961 |
| 4009* | RS-2 | 75568 | 1/1948 | 11/1968 |
| 4010 | RS-2 | 75569 | 1/1948 | 5/1961 |
| 4011 | RS-2 | 75570 | 1/1948 | 4/1961 |
| 4012* | RS-2 | 76234 | 12/1948 | 4/1971 |
| 4013* | RS-2 | 76235 | 12/1948 | 5/1967 |
| 4014* | RS-2 | 77541 | 10/1949 | 5/1961 |
| 4015* | RS-2 | 77542 | 10/1949 | 7/1961 |
| 4016* | RS-2 | 77567 | 10/1949 | 6/1961 |
| 4017* | RS-2 | 77568 | 11/1949 | 10/1962 |
| 4018* | RS-2 | 77569 | 11/1949 | 10/1962 |
| 4019* | RS-2 | 77570 | 11/1949 | 8/1962 |
| 4020* | RS-2 | 77570 | 11/1949 | 8/1962 |
| 4021* | RS-2 | 77572 | 11/1949 | 12/1971 |
| 4022* | RS-2 | 77573 | 11/1949 | 8/1971 |
| 4023* | RS-2 | 77574 | 11/1949 | 1/1971 |
| 4024* | RS-2 | 77575 | 11/1949 | 10/1967 |
| 4025* | RS-2 | 77576 | 11/1949 | 10/1967 |
| 4050** | RS-2 | 76098 | 3/1950 | sold 8/1973 |
| 4051** | RS-2 | 76099 | 2/1950 | sold 8/1973 |
| 4123 (2nd) | RS-2 | 77549 | 11/1949 | 3/1972 |
* Steam generator equipped for passenger service.
** Built by MLW, lettered for subsidiary Naiperville Junction.
| Number | Model | Serial Number | Completion Date | Retirement |
|---|---|---|---|---|
| 4026 | RS-3 | 78051 | 3/1950 | 5/1964 |
| 4027 | RS-3 | 78052 | 6/1950 | 10/1962 |
| 4028 | RS-3 | 78053 | 6/1950 | 5/1964 |
| 4029 | RS-3 | 78054 | 6/1950 | 5/1964 |
| 4030 | RS-3 | 78055 | 6/1950 | 6/1964 |
| 4031 | RS-3 | 78056 | 6/1950 | 5/1964 |
| 4032 | RS-3 | 78057 | 6/1950 | 2/1964 |
| 4033 | RS-3 | 78356 | 10/1950 | 2/1964 |
| 4034 | RS-3 | 78357 | 10/1950 | 2/1964 |
| 4035 | RS-3 | 78358 | 10/1950 | 2/1964 |
| 4036* | RS-3 | 78359 | 10/1950 | 2/1964 |
| 4037 | RS-3 | 78336 | 10/1950 | 1/1963 |
| 4038 | RS-3 | 78337 | 10/1950 | 2/1963 |
| 4039 | RS-3 | 78338 | 10/1950 | 1/1963 |
| 4040 | RS-3 | 78339 | 10/1950 | 1/1963 |
| 4041 | RS-3 | 78340 | 10/1950 | 1/1963 |
| 4042 | RS-3 | 78341 | 10/1950 | 1/1963 |
| 4043 | RS-3 | 78342 | 10/1950 | 1/1958 |
| 4044 | RS-3 | 78343 | 10/1950 | 2/1963 |
| 4045 | RS-3 | 78344 | 10/1950 | 1/1958 |
| 4046 | RS-3 | 78353 | 10/1950 | 1/1958 |
| 4047 | RS-3 | 78354 | 10/1950 | 1/1958 |
| 4048 | RS-3 | 78355 | 10/1950 | 1/1958 |
| 4049 | RS-3 | 78886 | 6/1951 | 5/1964 |
| 4052 | RS-3 | 78887 | 6/1951 | 5/1964 |
| 4053 | RS-3 | 78888 | 6/1951 | 2/1964 |
| 4054 | RS-3 | 78889 | 6/1951 | 8/1965 |
| 4055 | RS-3 | 79652 | 2/1952 | 11/1968 |
| 4056 | RS-3 | 79653 | 2/1952 | 6/1965 |
| 4057 | RS-3 | 79654 | 2/1952 | 3/1967 |
| 4058 | RS-3 | 79655 | 2/1952 | 11/1968 |
| 4059 | RS-3 | 79656 | 2/1952 | 5/1965 |
| 4060 | RS-3 | 79657 | 2/1952 | 5/1965 |
| 4061 | RS-3 | 79658 | 2/1952 | 12/1971 |
| 4062 | RS-3 | 79659 | 2/1952 | 5/1965 |
| 4063 | RS-3 | 79660 | 2/1952 | 3/1965 |
| 4064 | RS-3 | 79661 | 2/1952 | 12/1971 |
| 4065 | RS-3 | 79662 | 2/1952 | 5/1965 |
| 4066 | RS-3 | 79663 | 2/1952 | 3/1967 |
| 4067 | RS-3 | 79664 | 2/1952 | 6/1965 |
| 4068 | RS-3 | 79665 | 3/1952 | 2/1978 |
| 4069 | RS-3 | 79666 | 3/1952 | 5/1965 |
| 4070 | RS-3 | 80160 | 8/1952 | 3/1965 |
| 4071 | RS-3 | 80161 | 8/1952 | 1/1978 |
| 4072 | RS-3 | 80162 | 8/1952 | 3/1965 |
| 4073 | RS-3 | 80163 | 8/1952 | 2/1972 |
| 4074 | RS-3 | 80164 | 8/1952 | 7/1965 |
| 4075 (1st) | RS-3 | 80165 | 8/1952 | 8/1974 |
| 4075* (2nd) | RS-3 | 80735 | 4/1954 | 8/1982 |
| 4076 | RS-3 | 80166 | 8/1952 | 11/1968 |
| 4077 | RS-3 | 80167 | 8/1952 | 11/1968 |
| 4078 | RS-3 | 80168 | 8/1952 | Scrapped in 1972. |
| 4079 | RS-3 | 80169 | 8/1952 | 11/1968 |
| 4080 | RS-3 | 80170 | 8/1952 | 3/1972 |
| 4081 | RS-3 | 80171 | 8/1952 | 11/1971 |
| 4082 (1st) | RS-3 | 80172 | 8/1952 | 7/1978 |
| 4082* (2nd) | RS-3 | 79603 | 1/1952 | 7/1978 |
| 4083 | RS-3 | 80173 | 8/1952 | 3/1967 |
| 4084 | RS-3 | 80174 | 8/1952 | Scrapped in 7/1978. |
| 4085 | RS-3 | 80175 | 8/1952 | 12/1980 |
| 4086 | RS-3 | 80176 | 8/1952 | 5/1965 |
| 4087 | RS-3 | 80177 | 8/1952 | 10/1967 |
| 4088 | RS-3 | 80178 | 8/1952 | 3/1972 |
| 4089 | RS-3 | 80179 | 8/1952 | 5/1967 |
| 4090 | RS-3 | 80180 | 8/1952 | 11/1968 |
| 4091 | RS-3 | 80181 | 8/1952 | 3/1972 |
| 4092 | RS-3 | 80182 | 8/1952 | 11/1968 |
| 4093 | RS-3 | 80183 | 8/1952 | 11/1968 |
| 4094 | RS-3 | 80184 | 8/1952 | 1/1978 |
| 4095 | RS-3 | 80185 | 8/1952 | 11/1968 |
| 4096 | RS-3 | 80186 | 9/1952 | 3/1972 |
| 4097 | RS-3 | 80187 | 9/1952 | 4/1972 |
| 4098 | RS-3 | 80188 | 9/1952 | 3/1972 |
| 4099 | RS-3 | 80299 | 9/1952 | 1984 |
| 4100 | RS-3 | 80300 | 9/1952 | 11/1968 |
| 4101 | RS-3 | 80301 | 9/1952 | 11/1968 |
| 4102 | RS-3 | 80302 | 9/1952 | 11/1968 |
| 4103 | RS-3 | 80303 | 9/1952 | 9/1986 |
| 4104 | RS-3 | 80304 | 9/1952 | 11/1968 |
| 4105 | RS-3 | 80305 | 9/1952 | 5/1965 |
| 4106 | RS-3 | 80306 | 9/1952 | 3/1988 |
| 4107 | RS-3 | 80307 | 9/1952 | 3/1988 |
| 4108 | RS-3 | 80308 | 9/1952 | 10/1967 |
| 4109 | RS-3 | 80309 | 9/1952 | 8/1965 |
| 4110 | RS-3 | 80310 | 9/1952 | 3/1978 |
| 4111 | RS-3 | 80311 | 9/1952 | 11/1968 |
| 4112 | RS-3 | 80312 | 9/1952 | 3/1988 |
| 4113 | RS-3 | 80313 | 9/1952 | 3/1988 |
| 4114 | RS-3 | 80314 | 9/1952 | 11/1968 |
| 4115 | RS-3 | 80315 | 9/1952 | 3/1988 |
| 4116 | RS-3 | 80316 | 9/1952 | 10/1982 |
| 4117 | RS-3 | 80317 | 9/1952 | 4/1972 |
| 4118 | RS-3 | 80318 | 10/1952 | 1984 |
| 4119 | RS-3 | 80319 | 10/1952 | 3/1988 |
| 4120 | RS-3 | 80522 | 8/1953 | 4/1972 |
| 4121 | RS-3 | 80523 | 8/1953 | 4/1978 |
| 4122 | RS-3 | 80524 | 8/1953 | 3/1988 |
| 4123 (1st) | RS-3 | 80525 | 8/1953 | 3/1972 |
| 4124 | RS-3 | 80526 | 8/1953 | 4/1978 |
| 4125 | RS-3 | 80527 | 8/1953 | 1/1978 |
| 4126 | RS-3 | 80528 | 8/1953 | 5/1982 |
| 4127 | RS-3 | 80529 | 8/1953 | 7/1978 |
| 4128 | RS-3 | 80530 | 8/1953 | 3/1988 |
| 4129 | RS-3 | 80531 | 8/1953 | 4/1972 |
* Steam generator equipped for passenger service.
| Number | Model | Serial | Completion Date | Disposition | Notes |
|---|---|---|---|---|---|
| 5000 | RS-11 | 83504 | 3/1960 | Scrapped late 1980s/early 1990s. | Equipped with high, short hood. Built as New York Central #8009; sold to the D&H as #5000 in 1/1961. |
| 5001 | RS-11 | 83505 | 3/1960 | Retired 1993. | Equipped with high, short hood. Built as New York Central #8010, sold to D&H as #5001 in 1/1961. |
| 5002 | RS-11 | 83506 | 3/1960 | Retired 1993. | Equipped with high, short hood. Built as New York Central #8011; sold to D&H as #5002 in 1/1961. |
| 5003 | RS-11 | 83534 | 3/1960 | Scrapped 1990. | Equipped with high, short hood. Built as New York Central #8012; sold to D&H as #5003 in 1/1961. |
| 5004 | RS-11 | 83535 | 3/1960 | Scrapped late 1980s/early 1990s. | Equipped with high, short hood. Built as New York Central #8013, sold to D&H as #5004 in 1/1961. Following 1973 wreck, rebuilt with low short hood at the Colonie Shops. |
| 5005 | RS-11 | 83536 | 3/1960 | Scrapped late 1980s/early 1990s. | Equipped with high, short hood. Built as New York Central #8014; sold to D&H as #5005 in 1/1961. |
| 5006 | RS-11 | 83885 | 4/1961 | Sold in 3/1988. | Equipped with low short hood. |
| 5007 | RS-11 | 83886 | 5/1961 | Scrapped late 1980s/early 1990s. | Equipped with low short hood. |
| 5008 | RS-11 | 83887 | 5/1961 | Sold in 3/1988. | Equipped with low short hood. |
| 5009 | RS-11 | 83888 | 5/1961 | Retired in 1993. | Equipped with low short hood. |
| 5010 | RS-11 | 83889 | 5/1961 | Sold in 7/1989. | Equipped with low short hood. |
| 5011 | RS-11 | 83890 | 5/1961 | Sold in 3/1988. | Equipped with low short hood. |
| Number | Model | Serial | Completion Date |
|---|---|---|---|
| 5012 | RS-36 | 84394 | 1/1963 |
| 5013 | RS-36 | 84395 | 1/1963 |
| 5014 | RS-36 | 84396 | 1/1963 |
| 5015 | RS-36 | 84397 | 1/1963 |
| 5016 | RS-36 | 84398 | 1/1963 |
| 5017 | RS-36 | 84399 | 1/1963 |
| 5018 | RS-36 | 84400 | 1/1963 |
| 5019 | RS-36 | 84401 | 1/1963 |
| 5020 | RS-36 | 84402 | 2/1963 |
| 5021 | RS-36 | 84403 | 2/1963 |
| 5022 | RS-36 | 84404 | 2/1963 |
| 5023 | RS-36 | 84405 | 2/1963 |
Rebuilt RS3s by M-K in 1975-1976.
| Number | Model | Serial Number | Completion Date | Retirement | Notes |
|---|---|---|---|---|---|
| 501 | RS3m | 80315 | 9/1952 | 3/1988 | Built as RS-3 #4115; became RS3m #501 after rebuild. |
| 502 | RS3m | 80306 | 9/1952 | 3/1988 | Built as RS3 #4106; became RS3m #502 after rebuild. |
| 503 | RS3m | 80307 | 9/1952 | 3/1988 | Built as RS3 #4107; became RS3m #503 after rebuild. |
| 504 | RS3m | 80313 | 9/1952 | 3/1988 | Built as RS3 #4113; became RS3m #504 after rebuild. |
| 505 | RS3m | 80524 | 8/1953 | 3/1988 | Built as RS3 #4122; became RS3m #505 after rebuild. |
| 506 (1976) |
RS3m | 80312 | 9/1952 | 3/1988 | Built as RS3 #4112. Delivered in Bicentennial colors as #1976 following M-K rebuild; later numbered 506. |
| 507 | RS3m | 80319 | 10/1952 | 3/1988 | Built as RS- #4119; became RS3m #507 after rebuild. |
| 508 | RS3m | 80530 | 8/1953 | 3/1988 | Built as RS3 #4128; became RS3m #508 after rebuild. |
| Number | Model | Serial Number | Completion Date | Retirement | Disposition |
|---|---|---|---|---|---|
| 1205 | RF16 | 75361 | 12/1951 | Sold to Castolite Inc. in 4/1978. | Ex-Monongahela Railway #1205, exx-New York Central #1205, built as New York Central #3805. |
| 1216 | RF16 | 75372 | 1/1952 | Sold to Castolite Inc. in 4/1978. | Ex-Monongahela Railway #1216, exx-New York Central #1216, built as New York Central #3812. |
| Number | Model | Serial Number | Completion Date | Disposition | Notes |
|---|---|---|---|---|---|
| 801 | SD45 | 32462 | 6/1966 | Sold to NdeM in 1978. | Built as EMD demonstrator #4354; acquired by the D&H in 1967. Traded with Erie Lackawanna (#801) for U33C #3301 in March, 1969. Returned in April, 1976. |
| 802 | SD45 | 31694 | 1/1966 | Sold to NdeM in 1978. | Built as EMD demonstrator #4352; acquired by the D&H in 1967. Traded with Erie Lackawanna (#802) for U33C #3302 in March, 1969. Returned in April, 1976. |
| 803 | SD45 | 31695 | 1/1966 | Sold to NdeM in 1978. | Built as EMD demonstrator #4353; acquired by the D&H in 1967. Traded with Erie Lackawanna (#803) for U33C #3303 in March, 1969. Returned in April, 1976. |
| Number | Model | Serial Number | Completion Date | Retirement/Sold | Notes |
|---|---|---|---|---|---|
| 650 | U33C | 36670 | 2/1968 | 1988 | Built as Penn Central #6540; became Conrail #6845. Acquired by the D&H in 1985. |
| 651 | U33C | 36681 | 3/1968 | 1988 | Built as Penn Central #6551; became Conrail #6856. Acquired by the D&H in 1985. |
| 652 | U33C | 36685 | 3/1968 | 1988 | Built as Penn Central #6555; became Conrail #6860. Acquired by the D&H in 1985. |
| 653 | U33C | 36687 | 3/1968 | 1988 | Built as Penn Central #6557; became Conrail #6862. Acquired by the D&H in 1985. |
| 654 | U33C | 36689 | 3/1968 | 1988 | Built as Penn Central #6559; became Conrail #6864. Acquired by the D&H in 1985. |
| 655 | U33C | 36863 | 8/1968 | 1988 | Built as Penn Central #6559; became Conrail #6864. Acquired by the D&H in 1985. |
| 656 | U33C | 36865 | 3/1968 | 1988 | Built as Penn Central #6561; became Conrail #6866. Acquired by the D&H in 1985. |
| Number | Model | Serial Number | Completion Date | Retirement/Sold | Notes |
|---|---|---|---|---|---|
| 701 | U30C | 36232 | 3/1967 | Sold November, 1978. | - |
| 702 | U30C | 36233 | 3/1967 | Sold November, 1978. | - |
| 703 | U30C | 36234 | 3/1967 | Sold November, 1978. | Named "Walter E. Zeh". |
| 704 | U30C | 36235 | 3/1967 | Sold November, 1978. | - |
| 705 | U30C | 36236 | 3/1967 | Sold November, 1978. | - |
| 706 | U30C | 36237 | 3/1967 | Sold November, 1978. | - |
| 707 | U30C | 36493 | 12/1967 | Sold November, 1978. | - |
| 708 | U30C | 36494 | 12/1967 | Sold November, 1978. | - |
| 709 | U30C | 36495 | 12/1967 | Sold November, 1978. | - |
| 710 | U30C | 36496 | 12/1967 | Sold November, 1978. | - |
| 711 | U30C | 36497 | 12/1967 | Sold November, 1978. | - |
| 712 | U30C | 36498 | 12/1967 | Sold November, 1978. | - |
| Number | Model | Serial Number | Completion Date | Retirement/Sold | Notes |
|---|---|---|---|---|---|
| 751 | U33C | 36785 | 7/1968 | 12/1975 | Built as Erie Lackawanna #3301; acquired by D&H in March, 1969 in trade for SD45 #801. Later traded back to EL in December, 1975. |
| 752 | U33C | 36786 | 7/1968 | 12/1975 | Built as Erie Lackawanna #3302; acquired by D&H in March, 1969 in trade for SD45 #802. Later traded back to EL in December, 1975. |
| 753 | U33C | 36787 | 7/1968 | 12/1975 | Built as Erie Lackawanna #3303; acquired by D&H in March, 1969 in trade for SD45 #801. Later traded back to EL in December, 1975. |
| 754 | U33C | 37616 | 9/1970 | 10/1988 | Sold to GE for Super 7 program. |
| 755 | U33C | 37617 | 9/1970 | 10/1988 | Scrapped by Guilford at the Colonie Shops. |
| 756 | U33C | 37618 | 9/1970 | 10/1988 | Sold to GE for Super 7 program. |
| 757 | U33C | 37619 | 11/1970 | 10/1988 | Burned in Binghamton roundhouse fire in October, 1974; later rebuilt by Morrison-Knudsen. |
| 758 | U33C | 37620 | 11/1970 | 10/1988 | Only U33C painted solid blue with yellow stripes. Sold to GE for Super 7 program, converted by GE's Montreal plant, and sold to Mexico. |
| 759 | U33C | 37621 | 11/1970 | 10/1988 | Sold to GE for Super 7 program. |
| 760 | U33C | 37622 | 11/1970 | 10/1988 | Rebuilt by Morrison-Knudsen in 1975. |
| 761 | U33C | 37623 | 12/1970 | 10/1988 | Sold to GE for Super 7 program. |
| 762 | U33C | 37624 | 12/1970 | 10/1988 | Sold to GE for Super 7 program. |
| Number | Model | Builder | Serial Number | Completion Date | Retirement/Sold | Notes |
|---|---|---|---|---|---|---|
| 2301 | U23B | GE | 36803 | 8/1968 | Sold June, 1983. | ex-#301 |
| 2302 | U23B | GE | 36804 | 8/1968 | Sold June, 1983. | ex-#302 |
| 2303 | U23B | GE | 36805 | 8/1968 | Sold June, 1983. | ex-#303 |
| 2304 | U23B | GE | 36806 | 8/1968 | Sold June, 1983. | ex-#304 |
| 2305 | U23B | GE | 36807 | 8/1968 | Sold June, 1983. | ex-#305 |
| 2306 | U23B | GE | 36808 | 8/1968 | Sold June, 1983. | ex-#306 |
| 2307 | U23B | GE | 36809 | 8/1968 | Sold June, 1983. | ex-#307 |
| 2308 | U23B | GE | 36810 | 8/1968 | Sold June, 1983. | ex-#308 |
| 2309 | U23B | GE | 36811 | 9/1968 | Sold June, 1983. | ex-#309 |
| 2310 | U23B | GE | 36812 | 9/1968 | Sold June, 1983. | ex-#310 |
| 2311 | U23B | GE | 36813 | 9/1968 | Sold June, 1983. | ex-#311. Later wore "Grey Ghost" livery. |
| 2312 (1776) |
U23B | GE | 36814 | 9/1968 | Sold June, 1983. | ex-#312. Repainted in 1975 for the Bicentennial, numbered 1776. Later numbered back to 2312. |
| 2313 | U23B | GE | 36815 | 9/1968 | Sold June, 1983. | ex-#313 |
| 2314 | U23B | GE | 36816 | 9/1968 | Sold June, 1983. | ex-#314 |
| 2315 | U23B | GE | 36817 | 9/1968 | Scrapped in 1971. | ex-#315 |
| 2316 | U23B | GE | 36818 | 9/1968 | Sold June, 1983. | ex-#316 |
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