The GE AC4400CW, sometimes referred as " AC44CW ", is a 4,400 horsepower (3,300 kW) diesel-electric locomotive that was built by GE Transportation Systems between 1993 and 2004. It is similar to the Dash 9-44CW, but uses AC traction motors …

One main difference between the SP AC4400’s and their UP counterparts (C44AC) is that the SP versions do not have an isolated cab. Essentially, the UP units have some additional cushioning and acoustic insulation that makes them quieter for the crews.

2020年9月10日 · Phases of Union Pacific AC4400/C44AC-CTEs. Telling the difference between UP AC4400's (AC4400CW), from SP, CNW & UP, plus UP C44AC-CTE's (AC4400CW-CTE), in short. Again, in the quest to find myself a UP unit to model, this time a AC4400CW, I've started mapping out the differences and "phases" of UP AC4400CW's and C44AC-CTE's.

UP's designation for these units is C44AC; GE's designation is AC4400CW. By July 2016, there was only one former SP AC4400CW still in SP paint. That ended on July 29, 2016 when SP 343 was repainted as UP 6308. Scott Thomas wrote on Trainorders.com, "It was the last locomotive working on the UP with SP reporting marks.

2021年11月22日 · 在UP铁路机车序列中，AC4400CW型机车未集成牵引力控制软件者被定型为C44AC型，集成者被定型为C44ACCTE型；而AC6000CW型机车中，首批装用7HDL-16型柴油机的80台机车，初被定型为C60AC型，其后因换装7FDL-16型柴油机而被定型为C44ACCCA型，而第二批直接装用7FDL-16型柴油机的机车，则被定型为C6044AC型。 由于装用7FDL-16型柴油机的C44AC型、C44ACCTE型、C44ACCCA型和C6044AC型机车，以及装用GEVO-12型柴油机 …

G E ROAD DIESELS: C44AC (AC4400), and CTE Series The AC4400 (or C44AC) was GE’s initial entrant into the AC-traction market, and has proven extremely successful. Debuting in 1995, it has evolved into several different versions over time, adding power-management and emissions features to increase its flexibility and be more environmentally ...

2024年2月18日 · 2022年7月，联合太平洋铁路与西屋制动技术签订了一份将600台原通用电气运输制内燃机车重建为c44acm型内燃机车的合同。在这批机车当中，525台机车为c44ac型和c6044ac型两款交直交传动内燃机车，75台机车为交直传动c44-9w型内燃机车。

The GE (General Electric) AC4400CW is a high-powered six-axle, AC-traction 4,400hp diesel locomotive built from 1994 to 2004 (first introduced in 1993). An example of an early CP (Canadian Pacific) 'hi-aid' trucked AC4400CW.

This book shows all of the details of both inside and out of these locomotives. which at one time made up the largest class of motive power on the UP rails. This includes former units of the SP / SSW / and the C&NW railroads. that are still in original paint, repainted and …

UP 6081 (C44ACCTE) operating as DPU on southbound coal train at Union Station, Little Rock, Arkansas.