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GE ES44DC

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Locomotive Diesel Ge Freight Evolution Series Six Axle

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description GE ES44DC Overview

The GE ES44DC is a six-axle diesel-electric freight locomotive manufactured by GE Transportation, now part of Wabtec, as part of its Evolution Series line. Introduced in the mid-2000s, the locomotive is powered by a 12-cylinder GEVO engine and is rated at 4,400 horsepower. It utilizes direct current (DC) traction motors and was designed to meet stricter emissions regulations. The ES44DC was widely purchased by major North American Class I freight railroads to replace older, less efficient locomotives in heavy haul service.

help GE ES44DC FAQ

What is the difference between the GE ES44DC and the ES44AC?

The primary difference lies in their traction systems: the ES44DC uses Direct Current (DC) traction motors, while the ES44AC utilizes Alternating Current (AC) traction motors. Both share the same GE Evolution Series platform and 4,400-horsepower prime mover, but the AC version offers higher adhesion for heavier freight.

How much horsepower does the GE ES44DC produce?

The GE ES44DC produces 4,400 horsepower from its GEVO V12 diesel engine. This power output was deliberately designed to meet the stringent EPA Tier 2 emissions standards that went into effect in 2005.

When did GE Transportation introduce the Evolution Series ES44DC?

GE Transportation introduced the ES44DC in 2005 to comply with new EPA Tier 2 locomotive emissions regulations. It rapidly became a standard freight locomotive for major North American Class I railroads like BNSF and CSX.

What replaced the GE ES44DC in North American service?

In the mid-2010s, stricter EPA Tier 4 emissions standards required GE to update its locomotive lineup. The ES44DC was subsequently succeeded by the Tier 4-compliant GE ET44DC model, which features updated exhaust after-treatment technology.

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