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PRR 4877
PRR 4877, formerly nicknamed "Big Red", is a GG1-class electric locomotive owned by the United Railroad Historical Society of New Jersey. It is stored at the West Boonton Yard in Boonton, New Jersey, United States. It is fully cosmetically restored to its original appearance.
== Background ==
The GG1 was developed in 1930s by General Electric as the replacement for the Pennsylvania Railroad's then standard electric locomotive, the P5a, and was based largely on the New Haven EP3. The GG1 was capable of a top speed of , powered by its twelve traction motors. The prototype GG1, PRR 4800, was tested against Westinghouse's submission, the R1. The Pennsylvania selected the GG1 over the R1, as the R1 was not articulated and the GG1's traction motors were similar to ones already in use. An order for 57 GG1s was placed in November 1934 and the first locomotives were delivered in April 1935.
Raymond Loewy was hired by the Pennsylvania to "enhance the GG1's aesthetics." Loewy had the production locomotives' bodies be welded together, instead of riveted the way 4800 was, to give the GG1 a more streamlined appearance. Loewy also formulated the Brunswick green paint scheme and the gold pinstripes, nicknamed "cat's whiskers", which was eventually applied by the Pennsylvania to all of its locomotives for the next 20 years. In 1952, the Pennsylvania repainted its fleet of GG1s to a Tuscan red paint scheme with pinstripes.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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