Allison Transmission Holdings Inc
For the period ended Dec 31, 2025. Filed Feb 24, 2026.
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FY2025 · Filed Feb 24, 2026
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Item 2. Properties
Our world headquarters, which we own, is located at One Allison Way, Indianapolis, Indiana 46222. As of December 31, 2025, we have 17 manufacturing and certain other facilities in eight countries. The following table sets forth certain information regarding our significant facilities as of December 31, 2025.
| Plant | Location | ApproximateSize (ft2) | Owned /Leased | Description |
|---|---|---|---|---|
| Plant #3 | Indianapolis | 927,000 | Own | Engineering, Operational Support |
| Plant #4 | Indianapolis | 425,900 | Own | Manufacturing |
| Plant #6 | Indianapolis | 431,500 | Own | Manufacturing |
| Plant #12 | Indianapolis | 534,900 | Own | Manufacturing |
| Plant #14 | Indianapolis | 481,100 | Own | Manufacturing |
| Plant #15 | Indianapolis | 391,700 | Own | Manufacturing |
| Plant #17 | Indianapolis | 389,000 | Own | Parts Distribution Center |
| Innovation Center | Indianapolis | 96,000 | Own | Engineering, Research and Development |
| Vehicle Electrification + Environmental Test (VE+ET) Center | Indianapolis | 66,000 | Own | Research and Development |
| Auburn Hills | Auburn Hills, Michigan, USA | 110,400 | Lease | Engineering, Operational Support, Manufacturing |
| Walker Die Casting | Lewisburg, Tennessee, USA | 774,100 | Own | Manufacturing |
| Chennai | India | 551,551 | Own | Manufacturing |
| Szentgotthard | Hungary | 149,000 | Own | Manufacturing & Customization |
In addition, in connection with the acquisition of the Acquired Off-Highway Business, effective as of January 1, 2026, we acquired approximately 46 additional manufacturing and assembly plants and approximately 30 other facilities located in 24 countries.
We believe all our facilities are suitable for their intended purpose, are being efficiently utilized and provide adequate capacity to meet demand for the next several years. The table above does not include sales offices located in various countries.
The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.