Missouri Pacific RailroadAlco FA-1, engine number 305 plus additional diesel units on a westbound freight train with 99 cars. Photographed by Otto Perrynear Prescott, Arkansas, June 18, 1950.
American Locomotive Company(ALCO) and General Electric(GE)
primemover= ALCO 244
MLW 251B (FPA-4/FPB-4)
builddate=January 1946 – May 1959
North America, Brazil
convert|1600|hp|kW|abbr=on—later FA-1/FB-1, FA-2/FB-2, FPA-2/FPB-2
cylindersize=9 × 10½ in
DC traction motors
locobrakes=Independent air. "Optional:" dynamic
buildmodel=FAThe ALCO FA was a family of B-B
diesel locomotives designed to haul freight trains. The locomotives were built by a partnership of ALCO and GE in Schenectady, New York, between January 1946 and May 1959. They were of a cab unitdesign, and both cab-equipped lead ( A unit) FA and cabless booster ( B unit) FB models were built. A dual passenger-freight version, the FPA/FPB, was also offered. It was equipped with a steam generator for heating passenger cars.
Externally, the FA and FB models looked very similar to the
ALCO PAmodels produced in the same period. Both the FA and PA models were styled by GE's Ray Patten. They shared many of the same characteristics both aesthetically and mechanically. It was the locomotive's mechanical qualities (the ALCO 244V12 prime mover) and newer locomotive models from both General Motors Electro-Motive Division (EMD) and General Electric(the partnership with ALCO was dissolved in 1953) that ultimately led to the retirement of the locomotive model from revenue service. Several examples of FAs and FBs have been preserved in railroad museums, a few of them in operational states on such lines as the Grand Canyon Railwayand the Napa Valley Wine Train.
Three different models were offered. The FA-1/FB-1, which featured a convert|1500|hp|lk=on rating, was built from January 1946 to October 1950 with a convert|1600|hp|abbr=on version produced between March and August 1950 (many early models were subsequently upgraded to 1,600 hp). The convert|1600|hp|abbr=on FA-2/FB-2 (along with the FPA-2/FPB-2 variants) was built between October 1950 and June 1956. The convert|1800|hp|abbr=on FPA-4/FPB-4, powered by the 251V12 engine, was built between October 1958 and May 1959 by ALCO's Canadian subsidiary,
Montreal Locomotive Works(MLW).
Externally, the FA-1/FB-1 could be distinguished from the FA-2/FB-2 (FPA-1/FPB-2) by the position of the radiator shutters — the FA-1/FB-1's shutters were at the far end of the carbody, whereas on the FA-2/FA-2 they were further forward, the design having been modified to allow the installation of a steam generator behind the radiator. The FPA-4/FPB-4 were visually different due to the additional radiator space that was positioned below the shutters. These Canadian variants were intended and used for high-speed passenger service, and remained in use into the 1990s on
VIA Rail Canada.
The FA had the same distinctive styling as its larger cousin, the
ALCO PA, with a long, straight nose tipped by a headlight in a square, slitted grille, raked windshields, and trim pieces behind the cab windows that lengthened and sleekened the lines. As with the PA, the overall design owed much to the Fairbanks-MorseErie-built design, which had been constructed by ALCO's sales partner General Electric(GE) at their Erie, Pennsylvania, plant. GE's industrial designer Ray Pattenstyled the FA and FB, and many believe it likely that he took drawings of the Erie-built as a starting point, lengthening and squaring the nose and giving it a more aggressive look. The majority of FA components were compatible with the PA.
As with the PA, the model 244 diesel prime mover proved to be the undoing of the FA, and the locomotives failed to capture a marketplace dominated by General Motors Electro-Motive Division (EMD). The later 251-series engine, a vastly improved prime mover, was not available in time for ALCO to recover the loss of reputation caused by the unreliability of the 244, which was a key factor in the dissolution of the partnership with GE. By the time the ALCO 251 engine was accepted into widespread use, General Electric had launched their own entries into the diesel-electric locomotive market, notably the U25B. General Electric eventually supplanted ALCO as a manufacturer of locomotives, leading to ALCO's exit from the locomotive market in 1969.
Units produced by ALCO and the Montreal Locomotive Works (1946–1956)
Almost 800 FA units were built by ALCO and MLW, with just over 15% of them sold to
New York Central Railroad, and another 5% each to Union Pacific Railroad, Gulf, Mobile and Ohio Railroadand Missouri Pacific Railroad. About half as many FB units were produced and sold in similar ratios.
Some 20 units of various designations exist today in a preserved state, all of which are owned by railway museums or historical societies. Several excursion railways own operating examples which are in regular service, including MLW units received from
VIA Rail Canadain use on the Grand Canyon Railwayand Napa Valley Wine Train. The Cuyahoga Valley Scenic Railroadin Peninsula, Ohio, owns four FPA-4s, of which three are in operation as of 2008.
ALCO "World Locomotive"
ALCO's "World Locomotive" the DL500 (introduced in 1953) originated as a newly designed demonstrator based on the FA-2. The first 25 DL500s used the model 244 engine rated at convert|1600|hp. Later DL500s were like the FPA-4 and utilize the ALCO model 251B diesel engine as the prime mover and are rated at convert|1800|hp. All DL500s were built with C-C trucks but B-B or paired A-1-A trucks were offered as an option. The only locale within the Americas where ALCO-built cab units, such as
All America Latina Logistica(ALL) [http://thedieselshop.us/FPD78414RYommi.jpg#8414] , still see daily usage in freight duty is Argentina. A total of 369 DL500 locomotives were built by ALCO, A. E. Goodwin, and MLW between May 1953 and December 1967.
Variants of the ALCO "World Locomotive" saw service in Australia where it was built under licence by A.E. Goodwin Ltd. A two cab design went into service on the
standard gauge New South Wales Government Railwaysas the 44 class, [cite web| url=http://www.nswrtm.org/exhibits/the_exhibits/4490.html |title=NSWRTM - 4490 |publisher=nswrtm.org| accessdate=2007-07-22|] and both a single cab and double cab design went into service on the convert|5|ft|3|in|mm|0|abbr=on broad gauge South Australian Railwaysas the 930 class. [cite web| url=http://www.nationalrailmuseum.org.au/exhibits/nrm_930.html| title=National Railway Museum - Port Adelaide - 930 class |publisher=nationalrailmuseum.org.au |accessdate=2007-07-22|]
Similar DL500 locomotives were also used in Greece, India, Pakistan, Peru, and Spain.
** Steinbrenner, Richard (2003) The American Locomotive Company A Centennial Remembrance. Chapter IX The Diesel Takes Over, Chapter X The Diesel Boom, Chapter XI Past the Peak and Diversification.
* [http://www.thedieselshop.us/AlcoFA1.HTML Alco FA-1/FB-1 Roster]
* [http://www.thedieselshop.us/AlcoFA2.HTML Alco FA-2/FB-2 Roster]
* [http://thedieselshop.us/MLW_FPA.HTML MLW FPA & FPB Roster]
* [http://www.thedieselshop.us/PRSVDalcoCC.HTML#CABS Preserved Alco Cab Units]
* [http://www.trainweb.org/wnyrhs/nyc1102.htm New York Central ALCO FA-2 #1102] — documents the restoration efforts of the Western New York Railway Historical Society.
* [http://moosevalley.org/wmrhs/project302/Project302.htm Project 302] — documents the restoration efforts of the Western Maryland Railway Historical Society regarding Western Maryland Railway #302, an ALCO Model FA-2.
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