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PRR 4859
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PRR 4859 is a GG1-class electric locomotive located in the Harrisburg Transportation Center in Harrisburg in the U.S. state of Pennsylvania. It was operated by the Pennsylvania Railroad and its successors, Penn Central and Conrail. 4859 pulled the first electrically powered train from Philadelphia to Harrisburg on January 15, 1938. It was used in various freight and passenger service until November 22, 1979, when it pulled the last GG1-powered freight train on November 22, 1979. Originally located in Strasburg, it was listed on the National Register of Historic Places in 1982 and was moved to its current location in 1986. It was designated the state electric locomotive of Pennsylvania in 1987 by the Pennsylvania General Assembly and was listed on the National Register of Historic Places again in 2004.
==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.
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