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- The GE 44-ton switcher is a four-axle diesel-electric locomotive built by General Electric between 1940 and 1956. It was designed for industrial and light switching duties, often replacing steam locomotives that had previously been assigned these chores. This locomotive's specific 44-short ton weight was directly related to one of the efficiencies the new diesel locomotives offered compared to their steam counterparts: reduced labor intensity. In the 1940s, the steam to diesel transition was in its infancy in North America, and railroad unions were trying to protect the locomotive fireman jobs that were redundant with diesel units. One measure taken to this end was the 1937 so-called "90,000 Pound Rule," a stipulation that locomotives weighing 90,000 pounds (41,000 kg) – 45 short tons – or more required a fireman in addition to an engineer on common carrier railroads. Industrial and military railroads had no such stipulation. The 44-ton locomotive was designed to abrogate this requirement. Other manufacturers also built 44-ton switchers of center-cab configuration. GE built 276 of this locomotive for U. S. railroads and industrial concerns, four were exported to Australia in 1944, 10 were exported to Canada, 10 were exported to Cuba, one was exported to the Dominican Republic, five were exported to France, three were exported to India, six were exported to Mexico, five were exported to Saudi Arabia, one was exported to Sweden, two were exported to Trinidad, 10 were exported to Uruguay, and 57 were built for the United States Armed Forces. Many remain, in service and in museums. (en)
- La GE 44-ton est un locotracteur industriel (industrial shunter ou industrial switcher en anglais) diesel produit par General Electric entre 1940 et 1956. 385 de ces locomotives ont été construites. (fr)
- GE 44トンディーゼル機関車は、ゼネラル・エレクトリックが1940年から1956年にかけて製造した、4動軸（AAR表記 B-B、UIC表記 Bo'Bo' ）の電気式ディーゼル機関車である。44トンと通称されるが、米トンであり、日本で一般的なメトリック表示では40トンであることに注意されたい。 (ja)
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