GM Heavy-Duty Pickups Will Keep Allison Transmission Branding After All

I wrote back in November that General Motors and Allison Transmission were set to part ways after decades of collaboration.
GM Authority

GM And Allison To Continue Transmission Branding Collaboration

GM and Allison Transmission have announced that they will continue their branding collaboration, reversing an announcement made back in November of 2025.
The Drive

An Engineer Explains GM’s Valve Body Failures: Will A New Repair Be Enough for HD Owners?

If you’re one of the many, many customers waiting on a replacement valve body for the 10-speed Allison transmission in your GM heavy duty truck, there may finally be some light at the end of the ...