The ET44AC (Evolution Series Tier 4, 4,400 hp, AC traction) replaces the ES44AC model. These locomotives have been ordered by every US and Canadian Class I railroad, including BNSF Railway , Canadian National Railway , CPKC , CSX Transportation , Norfolk Southern , …

Originally designed to meet US EPA Tier 2 emissions standards in 2005, the ES44AC model utilizes a 12-cylinder Evolution series engine which leverages 4-stroke combustion technology to maintain horsepower, lower emissions and fuel consumption compared to its predecessor 16 cylinder FDL engine.

2025年1月1日 · The ES44AC was General Electric's successor to its very popular AC4400CW model of the 1990s, which sold nearly 3,000 examples between 1994 and 2004. The ES44AC featured the company's new GEVO prime mover, a 12-cylinder power plant that met the Environmental Protection Agency's (EPA) Tier II standards which …

The GE (General Electric) ES44AC is a type of six-axle, 12-cylinder, 4,400hp diesel locomotive built by GE Transportation Systems from 2004 to present (though first introduced in early 2002). A typical UP ES44AC or C45ACCTE.

General Electric ES44AC; Data Sheet Information Compiled by: JEAN-DENIS BACHAND: New: 27 October 2007: Drawing by: Jean-Denis Bachand-Engine Builder: General Electric

The ES44ACi locomotive is a heavy-haul locomotive specifically designed for the South American market. Equipped with a 16-cylinder GE FDL 16 engine, the AC44i can deliver up to 4,500 HP while helping to keep fuel consumption and emissions to a minimum.

These Evolution Series locomotives are equipped with AC traction motors and are powered by a newly designed “GEVO-12” 12 cylinder engine that produces the same power as the 16 cylinder AC4400CW, but with fewer emissions and greater fuel economy.

The General Electric ES44AC (or simply, " GEVO ") is a energy-efficient, 4,400 hp locomotive which was first introduced into full production in 2005, with the first ES44AC prototype built in November 2002. The ES44AC is the direct successor of the AC4400CW, which could not be produced domestically after 2004.

These Evolution Series locomotives are equipped with AC traction motors and are powered by a newly designed “GEVO-12” 12 cylinder engine that produces the same power as the 16 cylinder AC4400CW, but with fewer emissions and greater fuel economy.

On the ES44AC, the DC current is “chopped” back into AC to power the traction motors. The two models share a common 73’ 2” frame and external appearance. The ES44DC and ES44AC external details have changed with almost every year’s new orders.