Allison Transmission is a global leader in automatic transmissions, with locations worldwide providing hybrid propulsion solutions for commercial vehicles and industries.

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Allison Transmission has spent more than a century turning a niche engineering specialty into a global franchise in heavy-duty automatics, while General Motors has steadily stepped back from a ...

6 days ago · Allison began as an independent company in 1915 and GM bought it in 1928. But GM spun it off as a separate company and started building its own gearshifters.

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.

1 day ago · The "divorce" between General Motors and Allison Transmission is final, and it's shedding light on a confusing few years for GM truck owners. Here is the truth behind the split, the history of …

6 hours ago · Allison remained curious as a student and became an immunologist to better understand T cells. Immunotherapy is now an important part of cancer care.

Dec 8, 2025 · Allison Transmission will soon acquire Dana's off-road division. To make this happen, Allison will have to take on a lot more debt. In June, Allison entered into a definitive agreement to …

1 day ago · Silverado and Sierra 4500HD, 5500HD, and 6500HD models will continue to use Allison six-speed commercial-grade automatic transmissions.

Allison HUB™ provides a centralized location for access to Allison technical information.