1st CSX Tier 4 Unit Expected to Begin Testing

CSX is expected to begin testing soon on an EPA  Tier 4 emissions standards compliant ET44AC that was built by General Electric at its Erie, Pennsylvania, assembly plant.

Trains magazine reported on Monday that No. 3251 was part of the motive power consist of train Q696, albeit in a trailing position.

The ET44AC, the first in the CSX fleet that is Tier 4 compliant, is expected to undergo testing on the former Clinchfield by being used in heavy haul service on the Blue Ridge Subdivision between Erwin and Spartanburg, South Carolina.

Trains said it is not known how long the locomotive will be tested before being released for duty across the CSX network.

A noticeable external differences between Tier 4 locomotives designated as ET44AH models and other locomotives is the large flared radiator section at the rear of the former.

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