It took several years, but EMD finally got the SD70ACe-T4 out on the rails. It is a beefy looking unit, with a much larger long hood than an SD70ACe. This is no doubt to accommodate the equipment needed to meet Tier 4 emissions standards. This prime mover is actually a 4-stroke engine as EMD (Caterpillar) was unable to meet Tier 4 standards using a 2-stroke engine. One great thing is the return of the teardrop windshield on the UP models.
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