Allison Transmission Holdings Inc (NYSE: ALSN) is a transmission and drivetrain technology company that designs and manufactures fully automatic transmissions for medium- and heavy-duty commercial vehicles, defense vehicles, and off-highway equipment. Revenue is generated through transactional sales of transmission units to original equipment manufacturers and through aftermarket parts and service. The company recently expanded its scope through the acquisition of the Off-Highway Drive and Motion Systems business from Dana Incorporated, as referenced in its 10-K filed February 24, 2026. The filing notes integration costs associated with this acquisition as a material risk factor, indicating the deal is a meaningful strategic shift. Beyond transmissions, the business carries aftermarket parts revenue tied to its installed base of units in service.

Revenue model

Transactional sales of automatic transmission units to OEM customers, supplemented by aftermarket parts and service revenue tied to the installed base. The Dana off-highway business acquisition adds drive and motion systems revenue.

Products and services

Fully automatic transmissions for medium- and heavy-duty commercial vehicles, defense vehicles, and off-highway equipment. Off-Highway Drive and Motion Systems (acquired from Dana Incorporated). Aftermarket parts and service.

Customers and end markets

Original equipment manufacturers of commercial trucks, buses, defense vehicles, and off-highway equipment. End markets include freight and distribution, public transit, military, construction, and energy. The filing references the acquired off-highway business as a distinct end-market expansion.

Value-chain role

Tier 1 component supplier to commercial vehicle and off-highway OEMs. Designs, manufactures, and sells drivetrain systems installed by OEMs into finished vehicles and equipment.

Geographic exposure

The filing excerpts do not provide specific geographic revenue breakdown. The company is incorporated in the United States.

Source: SEC 10-K, filed 2026-02-24

Industry: Motor Vehicle Parts & Accessories Peers: Caterpillar Inc Cummins Inc Federal Signal Corp Oshkosh Corp Paccar Inc Terex Corp Trinity Industries Inc Westinghouse Air Brake Technologies Corp