Allison Transmission
American company
Allison Transmission Holdings, Inc. is an American manufacturer of commercial duty automatic transmissions and hybrid propulsion systems. Allison products are specified by over 250 vehicle manufacturers and are used in many market sectors, including bus, refuse, fire, construction, distribution, military, and specialty applications.
With headquarters in Indianapolis, Indiana, Allison Transmission has a presence in more than 150 countries and manufacturing facilities in Indianapolis, Chennai, India, and Szentgotthárd, Hungary.
History
Racing team
Allison began in 1909 when James A. Allison, along with three business partners, helped fund and build the Indianapolis Motor Speedway. In 1911, Allison's new track held the first Indianapolis 500 mile race. In addition to funding several race teams, James Allison founded the Speedway Racing Team Company on September 14, 1915 and quickly gained a reputation for his work on race cars and automotive technology in general. Allison built a shop near the track and changed the team's name to the Allison Experimental Company; the shop later became Plant No. 1.
Wartime aviation
When World War I began, Allison suspended racing, and the Allison Experimental Company began machining parts, tools, and masters for the Liberty airplane engine — the main power plant used in the U.S. war effort.
The public source identifies “Allison Transmission” as american company. This brief keeps that definition visible, then builds a research path around Allison, Transmission and American.
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Chronology, provenance and viewpoint should be read together before a broad social or political interpretation is accepted. The source revision retrieved here is dated Aug 31, 2026. The linked authority identifier is Q2036530. VIAF identifies the subject as 5673147907511379210003. The Library of Congress control number is n2016056222. 2 of 4 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1909, 1911 and 1915.
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This entry incorporates text from “Allison Transmission” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.