The ES44AC (Evolution Series, 4,400 hp, AC traction) replaced the AC4400CW model in the General Electric catalogue.

Wabtec’s Evolution Series ES44AC locomotive combines power, performance and efficiency. 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 ...

GE ES44AC Data Sheets

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 went into effect on January …

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).

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.

2024年12月31日 · The ES40DC, ES44DC, ES44AC, ES44C4, ET44AC, and ET44C4 were the final models cataloged by General Electric as part of its low emission, Evolution Series. On February 25, 2019 GE Transportation officially merged with Wabtec, forming Wabtec Freight.

2025年1月31日 · Between 2002 and 2019, General Electric built over 3,700 of these six-axle, 4400 HP locomotives. Today, they can be found on every Class I railroad in North America.

For the EPA Tier 2 emissions standard, GE developed the new Evolution Series engine, also known as “GEVO”. By far the most successful variant, with almost 3,900 locomotives sold, is the ES44AC, the successor to the AC4400CW with three-phase traction motors.

ES44AC (2003–present) The ES44AC (Evolution Series, 4,400 hp, AC traction) replaced the AC4400CW model in the General Electric catalogue.