Service History
The FAs, as well as their cousins, the ALCO PAs, were born as a result of Alco's development of a new diesel engine design, the Model 244. In early 1944, development started on the new design, and by November 1945, the first engines were beginning to undergo tests. This unusually short testing sequence was brought about by the decision of Alco's senior management that the engine and an associated line of road locomotives had to be introduced no later than the end of 1946. In preparation for this deadline, by January 1946, the first four locomotives with the 244 engines had been built. Two FA-1s and an FB-1 were painted in Alco Demonstrator colors and were released for road tests for a month and a half on the Delaware and Hudson Railway. A strike at Alco delayed production beyond the first four units and delivery of the first units, to the Gulf, Mobile and Ohio Railroad, began in May 1946, and continued into early 1947, totaling 80 units. At the end of this run, Alco upgraded the generators in the locomotives, with the first of these models entering service in February 1947 for the New York Central. In 1950, the Montreal Locomotive Works, an affiliate of Alco, began production of FAs as well. In the Fall of 1950, an upgraded model, the FA-2, was launched. This model featured an uprated Model 244 engine, with an output of 1600 horsepower. Additionally, the carbody was lengthened, making possible the addition of a steam generator in the A unit to allow for passenger service. Models equipped as such were designated the FPA-2/FPB-2. The first FA-2s were delivered in October 1950 to the Baltimore and Ohio and the Erie. By this time, however, the cab unit had fallen out of favor due to the greater versatility of road switchers, and U S production of the FA line ended in 1956, with Canadian production ending in 1959. The MTA Long Island Rail Road purchased 20 units and removed the traction motors from the units. the LIRR used them to supply AC HEP (head end power) to the cars of the train. Also the engines were used as a cab when another engine was pushing on the east end of the train. By the late 90's and early 2000's the railroad began retiring the alcos for new double deck cab cars.
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