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NAMC to Improve Abrams Engines Under New OTA

September 16, 2026

2 min read

Key Takeaways

The Army awarded NAMC an OTA for M1 Abrams engine support.
The contract has a $2.5 billion ceiling.
Initial funding is $11.8 million in FY2026 R&D funds.
Work is expected to conclude by March 14, 2029.

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Strategic Implications

This award may indicate the Army's focus on improving the M1 Abrams' engine capabilities, which could enhance the tank's overall performance and reliability. The use of an OTA suggests a desire for flexibility and speed in the acquisition process, which may benefit the Army in addressing supply chain challenges.

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What Happened

Army Awards Consortium Contract for M1 Abrams Engine Support

The US Army has awarded the National Advanced Mobility Consortium (NAMC) an other transaction agreement (OTA) to improve the engines of the M1 Abrams tank. The contract, which has a $2.5 billion ceiling, aims to support the Total Integrated Engine Revitalization (TIGER) program. With initial funding of $11.8 million in fiscal year 2026 research and development funds, the work is expected to take place at NAMC’s headquarters in Ann Arbor, MI, and conclude by March 14, 2029. This development was first reported by Inside Defense.

Source | Originally Published: September 15, 2026

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