The Chevrolet Silverado 4500HD, 5500HD, and 6500HD chassis cab trucks — the first-ever medium-duty Silverado trucks — are in production and on their way to dealerships starting Dec. 19.
Chevrolet Adds Bi-Fuel CNG Silverado 3500HD Chassis Cab
Chevrolet will expand its compressed natural gas lineup to include the bi-fuel 2016 Silverado 3500HD Chassis Cab, allowing drivers to operate the vehicle on CNG or gasoline.