tractor trailers

Sam drives a mighty tractor trailer with a bulldozer on top to a busy construction site where workers will build a new home.

Describes semitrucks, their main features, and how they are used. Includes a glossary and resources.

Looks at different types of big rig trucks and the cargoes they carry. Includes a diagram that identifies the parts of a big rig.

Tom sees lots of interesting sites as he drives his truck across the country to deliver his cargo to the big city.

Introduces the various parts of a tractor trailer and their functions as a truck driver prepares to take his "big rig" on the road.

Describes different kinds of tractor trailers, or big rigs, and the loads they haul.

Text and photographs describe tractor trailers and how they are used.

Describes the parts of a semitrailer and a day in the life of an over-the-road truck driver.