Dodge Rams are known for their legendary Cummins engine. The rest of the truck, however, sometimes falls short of the competition-especially in terms of ride. The most jarring of the lot are the 1-ton ...

There’s chatter that Chrysler may offer an air suspension for its Ram Heavy Duty pickups. An air suspension uses tough airbags that replace or supplement a truck’s conventional springs and shocks.

Michael Cairns points out how Ram Trucks brought air suspension to its heavy-duty trucks and how the system levels loads to improve ride ...