A MLW FPA-4 of the Canadian National Railway in September 1965. Three different models were offered. The FA-1/FB-1, which featured a 1,500 horsepower (1,100 kW) rating, was built from January 1946 to October 1950, with a 1,600 hp (1,200 kW) version produced between March and August 1950 (many early models were subsequently upgraded to 1,600 hp).

The MLW/ALCO FP-4 is a type of 1,800 hp four-axle diesel locomotive which consists of 2 forms: the FPA-4 "A" unit, and the "B" unit being the FPB-4. The locomotives were powered by the then-new ALCO 12-251 engines, and were some of the first …

2024年8月28日 · The FPA-4 was the Montreal Locomotive Works' final streamlined cab design and the only one to boast Alco's 251 power plant. The model was known for its robust performance and versatility, primarily designed for passenger service. It was cataloged during the late streamlined era as North American builders continued their horsepower race.

The new MLW cab and booster units featured a 251B series powerplant that produced 1800 horsepower. Delivered to the CN between October, 1958 and May, 1959, the FPA/B-4 production consisted of 34 cab units and 12 boosters.

MLW-Built FPA-4s & FPB-4s. Quantity Built 34 FPAs + 12 FPBs; New: 16 October 2004: Jean-Denis Bachand: Revised: 6 April 2011: Info Supplied by : John Komanesky

VIA Rail Canada 6760-6793 were MLW FPA-4 locomotives. They were built for Canadian National Railway in 1958, and were inherited by VIA upon its formation in 1978.

After many years of display at the museum painted for the New York Central, the privately owned FPA-FPB set has been restored for their original owner. Both A unit and B unit were constructed by Montreal Locomotive Works for the Canadian National Railway in 1959.

MLW FPA-2 ex 6755 #79202 4/1954 92 mph r/b MLW 11/1958 with 12-251B 1800hp. One of four units, two A and two B, upgraded from model 244 1600 hp Ron Visockis. A-B-A set sits among other covered wagons on the Spadina shop track in downtown Toronto. 9/25/1971 George Hamlin/Joseph Testagrose collection

Rapido Trains’ True North Locomotives has produced yet another excellent model that once again sets a new standard this time with its MLW FPA-4 and FPB-4. This is probably the most well-detailed and accurate Alco/ MLW carbody style HO-scale model — ever.

The Rapido Trains HO Scale FPA-4 and FPB-4 Locomotive features: Canadian-cast Dofasco Type B trucks; Operating headlights, class lights and back-up lights; Separate grab irons and handrails; Full underbody piping and conduit ; Correct MLW-specific large-capacity fuel tanks; Full, multi-colour interior; Heavy, die-cast chassis