INDIANAPOLIS–(BUSINESS WIRE)–The U.S. Army selected Allison Transmission, the largest global manufacturer of medium- and heavy-duty fully automatic transmissions for commercial and military vehicles, to undertake an engineering program that builds upon previous analysis and evaluates the X1100-3B1 transmission and final drive changes necessary to expand the Abrams’ performance edge in speed, cruising range and durability. The Abrams tank, introduced in the early 1980s, has been the subject of
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