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

After more than two decades working together, General Motors and Allison Transmission are officially splitting up.

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

Allison Transmission has ceased all new production of the TC10 Series transmission. Allison says it will continue to offer a TC10 Series ReTran product to service units requiring transmission ...

Working closely with Allison Transmission, Shell Lubricants has developed the new Spirax S6 ATF A295 synthetic automatic transmission fluid, ideal for use in trucks, buses, motor homes, vocational ...

INDIANAPOLIS--(BUSINESS WIRE)--Allison Transmission, the largest global manufacturer of medium- and heavy-duty fully automatic transmissions, announced today a new formulation of its high-performing ...