Английская Википедия:FM H-20-44
Шаблон:Short descriptionШаблон:No footnotes Шаблон:Infobox locomotive
The FM H-20-44 was a diesel locomotive manufactured by Fairbanks-Morse from June 1947 – March 1954. It represented the company's first foray into the road switcher market. The Шаблон:Convert, ten-cylinder opposed piston engine locomotive was referred to by F-M's engineering department as the "Heavy Duty" unit. It was configured in a B-B wheel arrangement mounted atop a pair of two-axle AAR Type-B road trucks with all axles powered. H-20-44s shared the same platform and much of the same carbody as the lighter-duty FM H-15-44, which began its production run three months later.
In the same manner as other F-M switcher models, the H-20-44 started out displaying a variety of Raymond Loewy-inspired contours, only to have the majority of these superfluous trim features stripped from the last few units built as a cost-cutting measure. Only 96 units were built for American railroads, as few firms saw sufficient value in moving freight in greater quantities or at a higher speeds than was possible with the typical 1,500 and Шаблон:Convert four-axle road switchers of the era. Also limiting the model's utility as a true road unit was its lack of a short hood, which the (ironically) lighter-duty H-15-44 did have. Three intact examples of the H-20-44 are known to survive today; all are the property of railroad museums.
A six axle version for better traction was catalogued, but no orders were placed, and no demos were built.
Units produced
| Railroad | Quantity | Road numbers | Notes |
|---|---|---|---|
| Akron, Canton and Youngstown Railroad | 6 | 500–505 | 500 preserved at the Galveston Railroad Museum as "Union Pacific 410"[1][2] |
| Fairbanks-Morse (demonstrator units) | 1 | 2000 | Serial number #L1032; sold to the UP later in 1947 and assigned #DS1366; now preserved at the Illinois Railway Museum[3] |
| New York Central Railroad | 19 | 7100–7118 | |
| Pennsylvania Railroad | 38 | 8917–8942, 9300–9311 | #8931 and #8939 to Penn Central #7731 and #7739 in 1968, retired August 1970 |
| Pittsburgh and West Virginia Railway | 22 | 50–71 | |
| Union Pacific Railroad | 10 | DS1360–DS1365, DS1367–DS1370 |
DS 1369 preserved at the Pacific Southwest Railway Museum in San Diego[4] |
| 96 |
References
Further reading
External links
- Fairbanks-Morse H20-44 Roster
- Preserved Fairbanks Morse Four-Axle Road Switchers
- PSRMA's History of UP 1369 — photo and short history of the second unit built, one of the three surviving FM H-20-44s.
Шаблон:Fairbanks-Morse Шаблон:FM diesels
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