Peterbilt 589 features a Sleeper configuration to go with a Cummins X15 turbodiesel engine and an 18-speed manual ...

You could live a comfortable life on the road in this big rig. Sleeper cabs are a fairly common feature on long-haul semi-trucks, but they're nothing like the custom setup this couple has on their ...

Peterbilt 579 semi-truck features an Ultraloft sleeper with a double bunk, plus 500,460 miles on its Paccar MX-13 turbodiesel ...

From cab design to road regulations, here are 15 key reasons these trucks are built for their unique environments.

The GMC Crackerbox might be the biggest nostalgia hit for fans of old-school heavy trucks ... who constructed the sleeper. GMCs like these are notoriously narrow; the cab measures just 48 inches ...