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

No one ever suspects a humble pickup can drag until one of these sleeper trucks comes along and blows their doors off ...

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 ...

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