EMD's GP50 Series
Electro Motive Division introduced the 3,500 horsepower GP50 model in 1980. A total of 278 units were built before production ended in 1985. The GP50 was the first production locomotive to feature EMD's Super Series wheelslip control system, providing a 33% increase in adhesion compared to conventional locomotives. The 50 series were also the first production units equipped with microprocessors.
Chicago & North Western acquired 50 GP50s, delivered between May and September 1980. CNW 5059 was photographed at North Yard in Salt Lake City on June 10, 1986. 48 of 50s survived into the merger with Union Pacific in 1995. The remaining fleet was retired from the UP roster at the end of 2002.
EMD's GP50 Series
Electro Motive Division introduced the 3,500 horsepower GP50 model in 1980. A total of 278 units were built before production ended in 1985. The GP50 was the first production locomotive to feature EMD's Super Series wheelslip control system, providing a 33% increase in adhesion compared to conventional locomotives. The 50 series were also the first production units equipped with microprocessors.
Chicago & North Western acquired 50 GP50s, delivered between May and September 1980. CNW 5059 was photographed at North Yard in Salt Lake City on June 10, 1986. 48 of 50s survived into the merger with Union Pacific in 1995. The remaining fleet was retired from the UP roster at the end of 2002.