| Oswego & Weehawken Railroad Former New York, Ontario & Western Ry.: purchased December 17,1956 |
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| Road # | Model | Builder | Built | Acquired | Disposed | Notes |
| 111 | NW2 | EMD | March-1948 | 12/17/1956 - ex NYO&W | March-1959 | Sold to Rock Island as their #795 |
| 112 | NW2 | EMD | March-1948 | 12/17/1956 - ex NYO&W | March-1959 | Sold to Rock Island as their #796 |
| 113 | NW2 | EMD | March-1948 | 12/17/1956 - ex NYO&W | March-1959 | Sold to Rock Island as their #797 |
| 114 | NW2 | EMD | March-1948 | 12/17/1956 - ex NYO&W | ||
| 115 | NW2 | EMD | April-1948 | 12/17/1956 - ex NYO&W | June-1957 | Sold to Northern Pacific as their #99 (2nd) |
| 116 | NW2 | EMD | June-1948 | 12/17/1956 - ex NYO&W | ||
| 117 | NW2 | EMD | June-1948 | 12/17/1956 - ex NYO&W | ||
| 118 | NW2 | EMD | June-1948 | 12/17/1956 - ex NYO&W | ||
| 119 | NW2 | EMD | June-1948 | 12/17/1956 - ex NYO&W | ||
| 120 | NW2 | EMD | June-1948 | 12/17/1956 - ex NYO&W | ||
| 121 | NW2 | EMD | June-1948 | 12/17/1956 - ex NYO&W | ||
| 122 | NW2 | EMD | June-1948 | 12/17/1956 - ex NYO&W | ||
| 123 | NW2 | EMD | June-1948 | 12/17/1956 - ex NYO&W | ||
| 124 | NW2 | EMD | July-1948 | 12/17/1956 - ex NYO&W | ||
| 125 | NW2 | EMD | July-1948 | 12/17/1956 - ex NYO&W | ||
| 126 | NW2 | EMD | July-1948 | 12/17/1956 - ex NYO&W | ||
| 127 | NW2 | EMD | July-1948 | 12/17/1956 - ex NYO&W | ||
| 128 | NW2 | EMD | July-1948 | 12/17/1956 - ex NYO&W | ||
| 129 | NW2 | EMD | July-1948 | 12/17/1956 - ex NYO&W | ||
| 130 | NW2 | EMD | July-1948 | 12/17/1956 - ex NYO&W | ||
| 131 | NW2 | EMD | July-1948 | 12/17/1956 - ex NYO&W | ||
| 501 | F3A | EMD | January-1948 | 12/17/1956 - ex NYO&W | ||
| 502 | F3A | EMD | February-1948 | 12/17/1956 - ex NYO&W | ||
| 503 | F3A | EMD | March-1948 | 12/17/1956 - ex NYO&W | ||
| 601A/B | FT A-Bset | EMD | May-1945 | 12/17/1956 - ex NYO&W | ||
| 801A/B | FT A-Bset | EMD | May-1945 | 12/17/1956 - ex NYO&W | ||
| 802A/B | FT A-Bset | EMD | May-1945 | 12/17/1956 - ex NYO&W | March-1963 | Traded to EMD on GP30 order |
| 803A/B | FT A-Bset | EMD | May-1945 | 12/17/1956 - ex NYO&W | September-1963 | Traded to EMD on GP35 order |
| 804A/B | FT A-Bset | EMD | May-1945 | 12/17/1956 - ex NYO&W | ||
| 805A/B | FT A-Bset | EMD | May-1945 | 12/17/1956 - ex NYO&W | March-1963 | Traded to EMD on GP30 order |
| 806A/B | FT A-Bset | EMD | May-1945 | 12/17/1956 - ex NYO&W | June-1957 | Sold to B&O as their #4412/5412 |
| 807A/B | FT A-Bset | EMD | May-1945 | 12/17/1956 - ex NYO&W | June-1957 | Sold to B&O as their #4413/5413 |
| 808A/B | FT A-Bset | EMD | May-1945 | 12/17/1956 - ex NYO&W | ||
| 821A | F3A | EMD | March-1948 | 12/17/1956 - ex NYO&W | ||
| 821B | F3B | EMD | March-1948 | 12/17/1956 - ex NYO&W | ||
| 822A | F3A | EMD | March-1948 | 12/17/1956 - ex NYO&W | ||
| 822B | F3B | EMD | March-1948 | 12/17/1956 - ex NYO&W | ||
| M-11 | RDC-1 | Budd | April-1957 | Bought for restored summer passenger service: Weehawken - Walton | ||
| M-12 | RDC-1 | Budd | April-1957 | Bought for restored summer passenger service: Weehawken - Walton | ||
| M-21 | RDC-2 | Budd | April-1957 | Bought for restored summer passenger service: Weehawken - Walton | ||
| M-31 | RDC-3 | Budd | April-1957 | Bought for restored summer passenger service: Weehawken - Walton | ||
| 511 | SD9 | EMD | May-1957 | Oswego & Weehawken's first new power. | ||
| 512 | SD9 | EMD | May-1957 | Oswego & Weehawken's first new power. | ||
| M-13 | RDC-1 | Budd | June-1957 | Bought for restored summer passenger service: Weehawken - Walton | ||
| M-14 | RDC-1 | Budd | June-1957 | Bought for restored summer passenger service: Weehawken - Walton | ||
| M-22 | RDC-2 | Budd | June-1957 | Bought for restored summer passenger service: Weehawken - Walton | ||
| M-32 | RDC-3 | Budd | June-1957 | Bought for restored summer passenger service: Weehawken - Walton | ||
| 513 | SD9 | EMD | November-1957 | Oswego & Weehawken's first new power. | ||
| 514 | SD9 | EMD | November-1957 | Oswego & Weehawken's first new power. | ||
| ex-DL&W Binghamton - Buffalo extension - 99-year lease effective January 1, 1961 | ||||||
| 142 | SW7 | EMD | May-1950 | December 1960 - ex EL/nee Erie | Ex-Erie #428 -- leased, later bought | |
| 431 | SW7 | EMD | November-1950 | December 1960 - ex EL/nee Erie | May 1961 - returned to EL | Ex-Erie #431 -- leased, later returned |
| 141 | SW7 | EMD | November-1950 | December 1960 - ex EL/nee Erie | Ex-Erie #432 -- leased, later bought | |
| 433 | SW7 | EMD | November-1950 | December 1960 - ex EL/nee Erie | May 1961 - returned to EL | Ex-Erie #433 -- leased, later returned |
| 701A/B/C/D | FT ABBA set | EMD | October-1944 | December 1960 - ex EL/nee Erie | December 1961 - returned to EL | Ex-Erie #701A/B/C/D -- leased, later returned |
| 705A/B/C/D | FT ABBA set | EMD | November-1944 | December 1960 - ex EL/nee Erie | December 1961 - returned to EL | Ex-Erie #705A/B/C/D -- leased, later returned |
| 810 | E8A | EMD | January-1951 | December 1960 - ex EL/nee DL&W | Ex-DL&W #810 - nee EMD Demo #810 -- leased, later bought | |
| 811 | E8A | EMD | January-1951 | December 1960 - ex EL/nee DL&W | Ex-DL&W #811 - nee EMD Demo #811 -- leased, later bought | |
| 832A/B/C | F3 ABA set | EMD | December-1947 | December 1960 - ex EL/nee DL&W | June 1961 - returned to EL | Ex-DL&W #802A/B/C -- s/g equipped -- leased, later returned |
| 834A/B/C | F3 ABA set | EMD | December-1947 | December 1960 - ex EL/nee DL&W | June 1961 - returned to EL | Ex-DL&W #804A/B/C -- s/g equipped -- leased, later returned |
| 835A/B/C | F3 ABA set | EMD | December-1947 | December 1960 - ex EL/nee DL&W | June 1961 - returned to EL | Ex-DL&W #805A/B/C -- s/g equipped -- leased, later returned |
| 551 | RS-11 | ALCO | December-1960 | |||
| 552 | RS-11 | ALCO | December-1960 | |||
| 553 | RS-11 | ALCO | December-1960 | |||
| 554 | RS-11 | ALCO | December-1960 | |||
| 632A/B | F7 A-Bset | EMD | July-1949 | January 1961 - ex EL/nee DL&W | Ex-DL&W #632A/B -- leased, later bought | |
| 633A/B | F7 A-Bset | EMD | July-1949 | January 1961 - ex EL/nee DL&W | Ex-DL&W #633A/B -- leased, later bought | |
| 634A/B | F7 A-Bset | EMD | July-1949 | January 1961 - ex EL/nee DL&W | Ex-DL&W #634A/B -- leased, later bought | |
| 635A/B | F7 A-Bset | EMD | July-1949 | January 1961 - ex EL/nee DL&W | Ex-DL&W #635A/B -- leased, later bought | |
| 132 | NW2 | EMD | January-1948 | January 1961 - ex EL/nee Erie | Ex-Erie #413 -- leased, later bought | |
| 851 | PA-1 | ALCO | April-1949 | March 1961 - ex EL/nee Erie | Ex-Erie #851 -- leased, later bought | |
| 853 | PA-1 | ALCO | April-1949 | March 1961 - ex EL/nee Erie | Ex-Erie #853 -- leased, later bought | |
| 858 | PA-1 | ALCO | September-1949 | March 1961 - ex EL/nee Erie | Ex-Erie #858 -- leased, later bought | |
| 561 | GP9 | EMD | March-1961 | |||
| 562 | GP9 | EMD | March-1961 | |||
| 563 | GP9 | EMD | March-1961 | |||
| 564 | GP9 | EMD | March-1961 | |||
| 565 | GP9 | EMD | March-1961 | |||
| 566 | GP9 | EMD | March-1961 | |||
| 521 | SD24 | EMD | March-1961 | |||
| 522 | SD24 | EMD | March-1961 | |||
| 812 | E9A | EMD | April-1961 | Bought new | ||
| 813 | E9A | EMD | April-1961 | Bought new | ||
| 850 | PA-1 | ALCO | April-1949 | June 1961 - ex EL/nee Erie | Ex-Erie #850 -- leased, later bought | |
| 852 | PA-1 | ALCO | April-1949 | June 1961 - ex EL/nee Erie | Ex-Erie #852 -- leased, later bought | |
| 856 | PA-1 | ALCO | September-1949 | June 1961 - ex EL/nee Erie | Ex-Erie #856 -- leased, later bought | |
| 857 | PA-1 | ALCO | September-1949 | June 1961 - ex EL/nee Erie | Ex-Erie #857 -- leased, later bought | |
| 859 | PA-1 | ALCO | September-1949 | June 1961 - ex EL/nee Erie | Ex-Erie #859 -- leased, later bought | |
| 854 | PA-1 | ALCO | April-1949 | August 1961 - ex EL/nee Erie | Ex-Erie #854 -- leased, later bought | |
| 855 | PA-1 | ALCO | September-1949 | August 1961 - ex EL/nee Erie | Ex-Erie #855 -- leased, later bought | |
| 860 | PA-1 | ALCO | December-1947 | November 1961 - ex NKP | Ex-NKP #183 -- bought outright | |
| 861 | PA-1 | ALCO | March-1948 | November 1961 - ex NKP | Ex-NKP #187 -- bought outright | |
| 571 | GP30 | EMD | May-1963 | Bought new using FTs as trade-ins. | ||
| 572 | GP30 | EMD | May-1963 | Bought new using FTs as trade-ins. | ||
| 573 | GP30 | EMD | May-1963 | Bought new using FTs as trade-ins. | ||
| 574 | GP30 | EMD | May-1963 | Bought new using FTs as trade-ins. | ||
| 581 | GP35 | EMD | November-1963 | Bought new using FTs as trade-ins. | ||
| 582 | GP35 | EMD | November-1963 | Bought new using FTs as trade-ins. | ||
| Merged with other lines to form the Lake Ontario & Hudson River Rail Road on July 1, 1965 | ||||||