GM heavy-duty pickups used Allison transmissions between 2001 and 2020, but kept the badging until now. Current Silverado HD and Sierra HD trucks use a GM-built 10-speed automatic that was approved by Allison. Before June 29, 2026, all unsold trucks will need to have their Allison badges removed. General Motors and Allison Transmission will end […]
The post General Motors and Allison Transmission End Branding Deal, Requiring Unsold Trucks to be De-Badged Next Year appeared first on Motor Illustrated.











