What Chevy pickups have the Allison transmission?

Chevrolet pickups that are equipped with the Allison transmission include the Silverado 2500HD and 3500HD models. The Allison transmission is typically paired with the Duramax diesel engines in these heavy-duty trucks, providing enhanced towing capabilities and performance. The transmission is known for its durability and smooth shifting, making it a popular choice for those needing a robust work vehicle.