Allison Transmission Holdings, Inc. announced on November 12, 2026, that it has been awarded a $67 million contract to continue supporting the U.S. Army's Abrams Main Battle Tank program with its X1100 cross-drive transmission.

Key Highlights

  • Contract value: $67 million awarded to Allison Transmission for continued support of the U.S. Army's Abrams Main Battle Tank program.
  • Product involved: The X1100 cross-drive transmission, which has powered every M1 main battle tank used by the U.S. Army and Abrams partner nations since its introduction nearly five decades ago.
  • Scope of work: According to the filing, Allison will deliver upgraded and new transmissions alongside program management, contract field service, technical service, and logistics support.
  • Program history: Allison began production of the X1100 cross-drive transmission in 1979 for use in the Abrams Main Battle Tank, the company disclosed.
  • Recent defense activity: The company also disclosed a $250 million agreement with BAE Systems Hagglunds, described as "the largest single tracked defense program contract in Allison's history," for new 4040 MX transmissions for the CV90 MkIV infantry fighting vehicle.
  • Additional contracts noted: Allison's 2500SP fully automatic transmissions will be utilized for approximately 3,000 EAGLE V armored vehicles ordered by the German Bundeswehr from General Dynamics European Land Systems.

Allison Transmission Secures Continued Role in Abrams Tank Program

Allison Transmission Holdings, Inc. (NYSE:ALSN), headquartered in Indianapolis, Indiana, disclosed on November 12, 2026, that it has received a $67 million contract from the U.S. Army to continue supporting the Abrams Main Battle Tank program. According to the filing, Allison's X1100 cross-drive transmission has powered every M1 main battle tank used by the U.S. Army and Abrams partner nations since the program's inception nearly five decades ago, with original production beginning in 1979.

Under the terms of the latest contract, the company disclosed it will provide a combination of upgraded and new transmissions, as well as program management, contract field service, technical service, and logistics support. The filing noted that Allison's "qualified and trusted channel partners will remain critical in enabling continuity of service, operational resilience and mission readiness for the U.S. Army." Dana Pittard, Vice President for Defense Programs at Allison Transmission, was quoted in the filing stating that "failure is not an option" in the conditions the transmissions are designed to perform under.

The company also referenced several other recently secured defense contracts. These include a selection to provide 4500 Specialty Series (SP) fully automatic transmissions for the French Land Forces' PL6T tactical truck program, a supply agreement for approximately 3,000 EAGLE V armored vehicles for the German Bundeswehr, and a $250 million agreement with BAE Systems Hagglunds for the CV90 MkIV infantry fighting vehicle program, which the company characterized as the largest single tracked defense program contract in its history.

What Was Disclosed

Allison Transmission disclosed the award of a $67 million U.S. Army contract for Abrams Main Battle Tank transmission support, covering new and upgraded transmissions plus field and logistics services, and provided context on several additional recent defense program awards.