The Pennsy Modeler
In order to portray Pennsylvania Railroad and interchange partners as accurately as possible, this blog contains articles which are essentially notes to myself, but are shared should the community desire the same information.
Articles are sorted by modification date, so if an existing article receives an update it will be presented at the top of the list again.
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The Pennsy was known to operate on its rails locomotives which it did not own. These inclued railroad test units, builder test units, demonstrators, and leased units.
Railroad Test Units
July and August, 1924: The PRR borrowed a 37-ton GE gas-electic at the piers in New York City.
1937: The PRR borrowed an EMC 600 hp switcher for potential use at the General Motors plant in Linden, New Jersey. The Pennsy purchased the unit afterwards -- Class ES6 #5911.
1947: The Pennsy tested an F-M H20-44 as a potential helper west of Altoona. They eventually went with EMD F3's for this purpose, in an A-B-A configuration.
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Over the years, I have had the opportunity to operate on many fine model railroads, including...
- Chris Adams' New York, New Haven & Hartford
- Bill Blackburn's Pennsylvania Railroad, Great Valley Division
- Jim Clay's Pennsylvania Railroad, Cumberland Valley Branch (deceased)
- Jim Dalberg's New Jersey Northern
- Tony Koester's Nickel Plate Road
- Steven Mallery's Pennsylvania Railroad, Buffalo Line
- Bob Martin's Central Pennsylvania Railroad (deceased)
- Larry Reynolds' Pennsylvania Railroad, Altoona Area
- Dave Rohrbaugh's South Penn Railroad
- Dave Trone's West Penn Railroad
- Jeff Warner's PRR/RDG/WM South Central Region
- Bob Zeolla's Conrail Conemaugh Line
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Alco RS-1, Class AS10s / AS10am / AS10ams / AS10as
The ALCO RS-1 was a 4-axle road switcher diesel-electric locomotive built by Alco-GE between 1941 and 1953 and the American Locomotive Company from 1953 to 1960. The Montreal Locomotive Works built three RS-1s in 1954. This model has the distinction of having the longest production run of any diesel locomotive for the North American market. The RS-1 was in production for 19 years from the first unit Rock Island #748 in March 1941 to the last unit National of Mexico #5663 in March 1960.
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GE U25B, Class GF25
The GE U25B was General Electric's first independent entry into the United States domestic road switcher diesel-electric locomotive railroad market for heavy production road locomotives since 1936. From 1940 through 1953, GE participated in a design, production, and marketing consortium (Alco-GE) for diesel-electric locomotives with the American Locomotive Company. In 1956 the GE Universal Series of diesel locomotives was founded for the export market. The U25B was the first attempt at the domestic market since its termination of the consortium agreement with Alco.
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Baldwin DR 4-4-1500 "Early Shark", Class BF15 / BF15a
The Baldwin DR-4-4-15 was a 1,500-horsepower cab unit-type diesel locomotive built for freight service by the Baldwin Locomotive Works between November 1947 and June 1950. It was produced in two different body types, nicknamed the "Babyface" and "Sharknose" styles by railfans, though Baldwin used the same model number for both. 22 "Babyface" cab-equipped A units were built, along with 11 cabless booster B units; 36 "Sharknose" A units and 36 B units were constructed, making a total for all models of 105 locomotives built.
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I consider the following Pennsylvania Railroad model railroads to have a high degree of fidelity to the prototype. They are not freelance, protolance, etc., but depict specific locales on the Pennsy based on historic documentation with a minimum of "modeler's license."
Those in bold I have had the opportunity to operate on. Those in italics are on my "bucket list" to visit.
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FM ERIE-A / B, Class FF20 / FP20 / FP20a
The Erie-built was the first streamlined, cab-equipped dual service diesel locomotive built by Fairbanks-Morse, introduced as direct competition to such models as the ALCO PA and EMD E-unit. As F-M lacked the space to manufacture the units in their own plant, the work was subcontracted out to General Electric, which produced the locomotives at its Erie, Pennsylvania, facility, thereby giving rise to the name "Erie-built."
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This table cross references Pennsy electric locomotives by class, type, sub class, sub class designator, year of introduction, and availability of HO scale models.
Eventually, clicking on minor class number will link to a class-specific page which will include prototype builder data, specifications, unit rosters, and unit photos.
Corrections and additions to this page are welcome. However, please refrain from submitting roster and subclass information for classes whose class detail pages have not yet been created. Thank you.
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‘Two of the greatest post-war symbols of democracy in action’ in Harrisburg in 1947
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Four Axle General Purpose (GP) Road Switchers
The following tables illustrate the various spotting features of EMD GP7 and GP9 units purchased by the Pennsylvania Railroad. The basis for these tables are from a Jim Williams presentation at the May 2000 annual meeting of the Pennsylvania Railroad Technical & Historical Society.
EMD GP7 vs. GP9
|Build Dates||October 1949
- May 1954
- December 1959
|Louvers at Rear of Car Body||2 Full Rows||1 Single Louver|
|Louvers on Battery Box||3 Single Louvers||1 Louver|
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