The two brands have worked together for decades, but they couldn't reach an agreement to extend their longstanding licensing deal.

We feel compelled to start this report by letting you know one of the most important facts regarding installing an Allison 1000 six-speed automatic transmission in a 6.0L, 6.4L, or 7.3L Ford Power ...

Allison Transmission Sept. 14 introduced to the media a radically different 10-speed fully automatic twin-countershaft range-type truck transmission called the TC-10. Allison says production will ...

Next year, heavy-duty GM trucks will lose their Allison badges, even though the transmissions themselves won't change.

ATLANTA – Allison Transmission announced plans to introduce a nine-speed automatic transmission for medium and heavy-duty vehicles that features start/stop technology, and which will be available ...