The EMD SW1 is a 600-horsepower (450 kW) diesel-electric switcher locomotive built by General Motors ' Electro-Motive Corporation (later Division) between December 1938 and November 1953. …

Dec 20, 2024 · The SW1 was the second switcher Electro-Motive produced that featured a welded frame and respectable 600 horsepower. It was the first to feature a General Motors prime mover, the …

The SW1 was EMD's first true switcher, replacing the EMC era SC and NW locomotives. 661 SW1's were built, but none were built during the 1942-1945 period, as the War Time Production Board …

With a powerful two-cycle engine in the form of a 6-cylinder V-type configuration, the SW-1 was one of EMD’s first mass produced locomotives. When purchased in 1939 Western Pacific specified a …

First introduced in December 1939, the SW1 would go on to become one of the most successful early diesel switcher designs, with production continuing until November 1953. The SW1 evolved from …

The EMD SW1 is a 600-horsepower (450 kW) diesel-electric switcher locomotive built by General Motors' Electro-Motive Corporation (later Division) between December 1938 and November 1953.

The EMD SW1 is a 600-horsepower (450 kW) diesel-electric switcher locomotive built by General Motors' Electro-Motive Division between December 1938 and November 1953.

The EMD SW1 was the second type of EMD diesel switching locomotive to be ordered by the Reading. The first three 600 horsepower locomotives were delivered in March, 1939. Numbered #16 - 18 and …

EMD's early switcher offering, a 600 horsepower unit was first offered in 1939. Conrail inherited almost 200 of these units from PC, RDG, CNJ and LV. They were some of the earliest 'victims' of …

Where a PC SW1 had been retired from the roster prior to 1976, Conrail placed an SW1 from another of its predecessors into that slot. Therefore, Conrail's SW1 roster can be so chaotic at times, even …