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The AC4400CW was the first GE locomotive to offer an optional self-steering truck design, intended to increase adhesion and reduce wear on the railhead. [1] This option was specified by Canadian Pacific Railway, Cartier Railway, CSX for their units 201-599, Ferromex, Ferrosur, and Kansas City Southern Railway.
The GE Dash 9-40CW is a 4,000-horsepower (3,000 kW) diesel-electric locomotive built by GE Transportation Systems of Erie, Pennsylvania, between January 1996 and December 2004. 1,090 were built for Norfolk Southern Railway, as road numbers 8889 to 9978. 53 GE Dash 8-44CWs built to Dash 9 specifications were also built for CSX Transportation, carrying road numbers 9000 to 9052.
However, there is a manual override switch that allows the engineer to run the engine with all 4,400 hp (3,300 kW) if necessary. As with the C40-9, Norfolk Southern began to upgrade their C40-9W's from 4,000 to 4,400 hp and AC traction in mid-2015, making them AC44C6M's as well. Power output: 4,000 hp (2,980 kW)
But while the more common 9-44CW offers 4,400 horsepower (3,300 kW), software in the 9-40CW's engine-governing unit restricts its power output to 4,000 horsepower (3,000 kW). The design has since proven popular with North American railroads, although some railroads, such as CSX and Canadian Pacific , preferred its AC equivalent, the AC4400CW .
The ET23DCM (Evolution Series Tier 4, 2350 hp, DC traction), sometimes called the SD23T4, is a modernized locomotive using EMD's SD40-2 platform and the Wabtec Inline 6-cylinder Tier 4 diesel engine. [12] CSX Transportation ordered 15 of these locomotives, with most being built at their Huntington Heavy Repair Shop. Wabtec also built one ...
The GE AC44C6M is an AC-traction 4,400-horsepower (3,300 kW) diesel locomotive, rebuilt from GE Transportation Dash 9 locomotives. AC44C6M rebuilds have been done by GE (now Wabtec), American Motive Power, Inc., and Norfolk Southern Railway's Juniata and Roanoke Shops, starting in September 2015.
The GE Dash 9-40C, also called a C40-9, was a 4,000-horsepower (3,000 kW) diesel locomotive that was built by GE Transportation Systems of Erie, Pennsylvania, between January 1995 and March 1995. The C40-9 was equipped with the 16-cylinder 7FDL-16 prime mover which is rated at a lower power than the 4,400 hp (3,300 kW) GE Dash 9-44CW that ...
A drawing of the proposed longer frame U28C is in the November 1965 issue of Trains Magazine. Starting in May 1966 GE began producing the U28C on a longer frame. The new length for these U28Cs was 67 feet 3 inches. These are the 43 Phase II units built for Louisville and Nashville, Pennsylvania, Southern Pacific and Union Pacific.