tractor trailer combinations

Describes the parts and functions of tractor-trailer trucks.

Examines the different types of tractor-trailers, and highlights how they work. Includes a glossary, illustrated diagrams, and color photographs.

Describes different types and facts about trucks.

Presents facts about big rig trucks, including how they work, the special equipment they need, and how they transport cargo around the country.

Simple text and color photographs provide early readers with an introduction to semi trucks.

Discusses the history, function, and workings of semitrucks.

A big eighteen-wheeler truck describes the kind of work it does.

Describes the evolution of the big rig since its beginning in 1804, the various kinds of trucks, their key parts, driver preparation, and work rules.

Describes a tractor trailer and explains how it works and is used; includes a brief history and facts about this form of transportation.