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ALCO 12-251C C420  LokSound 5 North American and Australian Sound files N XL L M4

The ALCO 251 prime mover was the most popular and abundant prime mover ever made by the company. While it proved to be quite successful, it sadly outlived its original manufacturer, ALCO who closed their doors in 1969. The 251 prime mover is actually still available to purchase today from Fairbanks Morse for use in Marine, Generator, and locomotive uses.

The 12cyl 251C can be found in the following Locomotives:

RS-32, C420, M420, M420B, M420R, M420TR, HR-412, M424, 45 Class, 442 Class, 600 more…

GE 12-7FDL12F42 LATE EXH  LokSound 5 North American and Australian Sound files N XL L M4

The GE B23-7 diesel locomotive was first offered in late 1977. Featuring a smaller 12 cylinder version of the FDL engine, it is the successor to GE's U23B produced from early 1968 to mid 1977, but at 62 ' 2" long, the B23-7 is exactly 2' 0" longer than the firms U23B. The B23-7 competed with the very successful EMD GP38-2. General Electric also produced a variant, the BQ23-7, for the Seaboard Coast Line. A total of 537 B23-7's were built for 9 U.S. customers and 2 Mexican customers.

This sound more…

GMD 16-645E3 T  LokSound 5 North American and Australian Sound files N XL L M4

The EMD 645 series was an evolution of the earlier 567 series and a precursor to the later 710 series. When the 645 prime mover entered production in 1965, a large series of new locomotive models was introduced. The turbocharged version was used in EMD's 40 Series (GP40, SD40 and SD45) in 3,000 horsepower (2,200 kW), sixteen-cylinder form and in 3,600 horsepower (2,700 kW), twenty-cylinder form. EMD also introduced the Roots-blown 38 Series (GP38, SD38) and turbocharged, twelve-cylinder 39 more…

GMD 16-645E3B T  LokSound 5 North American and Australian Sound files N XL L M4

The EMD 645 series was an evolution of the earlier 567 series and a precursor to the later 710 series. When the 645 prime mover entered production in 1965, a large series of new locomotive models was introduced. The turbocharged version was used in EMD's 40 Series (GP40, SD40 and SD45) in 3,000 horsepower (2,200 kW), sixteen-cylinder form and in 3,600 horsepower (2,700 kW), twenty-cylinder form. EMD also introduced the Roots-blown 38 Series (GP38, SD38) and turbocharged, twelve-cylinder 39 more…

EMD 12-645E 2EXH NT  LokSound 5 North American and Australian Sound files N XL L M4

The EMD 645 family of diesel engines were designed and manufactured by the Electro-Motive Division of General Motors. The 645 series was an evolution of the earlier 567 series and a precursor to the later 710 series. The 645 series engines entered production in 1965. All 645 engines utilize forced induction, with either a Roots blower or a turbocharger. The 645 series has a maximum engine speed of between 900 and 950 revolutions per minute (rpm), an increase over the 800 to 900 rpm maximum more…

Goodwin/ALCO 12-244  LokSound 5 North American and Australian Sound files N XL L M4

In October 1956 the NSWGR took delivery of 4301, the first unit of an order for six locomotives to be built by A Goninan and Co at their Broadmeadow plant in suburban Newcastle. In June 1957 the last of the class, 4306, entered service. They were fitted with an Alco 244 engine and were rated at 1600hp (1193kW) for traction.

While recorded from a 43 Class this 12cyl 244 prime mover sound file would also work in the following locomotives.

RS-2, RSC-2, RS-3, RSC-3, RS-10, RSC-2, RSC-3, RSD-4, more…

GMD 12-645C 2EXH NT  LokSound 5 North American and Australian Sound files N XL L M4

As the EMD 567s got worn, Many Railroads underwent rebuild programs to prolong the life of their locomotives. One Program in particular was the Uceta GP-16 program on the SCL. Starting in 1979 they took many of their GP7s, GP9s, and GP18s and replaced the existing 567 prime movers with 16cyl 645C Power Assemblies. This combination resulted in a unique sound never before released in the Model Railroad Market.

There were a number of these rebuild programs by many railroads. CN Had GP9RMs, The more…

EMD 16-645BC 4EXH NT  LokSound 5 North American and Australian Sound files N XL L M4

The Uceta GP16s were the result of a Seaboard Coast Line rebuild program upgrading GP7, GP9 and GP18 EMD locomotives. Unlike the GP10 program which retained a 567 16cyl prime mover, GP16s recieved 645 power assemblies. A 4 stack exhaust was also applied in most cases. Most ex GP7's had a 16-645BC prime mover. While ex GP9's in many cases had a 16-645C. In some rare cases some GP16's had a new 16-645E prime mover. US Army GP16's had brand new 645E's in them. Check your prototype. Today, many more…

ALCO 12-244 Ed2  LokSound 5 North American and Australian Sound files N XL L M4

The American Locomotive Company's model 244 prime mover was developed during the mid-1940s to power its post-war diesel locomotives. Interestingly, while Alco helped pioneer diesel technology dating back to the 1920s it had difficulty truly competing against Electro-Motive-Division due to reliability issues with its diesel engines. Before Alco began implementing the 244 in its locomotives the builder had spent most of the 1930s developing an earlier model that was used in most of its early more…

ALCO 12-251C C420 Ed2  LokSound 5 North American and Australian Sound files N XL L M4

The ALCO 251 prime mover was the most popular and abundant prime mover ever made by the company. While it proved to be quite successful, it sadly outlived its original manufacturer, ALCO who closed their doors in 1969. The 251 prime mover is actually still available to purchase today from Fairbanks Morse for use in Marine, Generator, and locomotive uses.

The 12cyl 251C can be found in the following Locomotives:

RS-32, C420, M420, M420B, M420R, M420TR, HR-412, M424, 45 Class, 442 Class, 600 more…