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Motor vehicle designed to carry freight or heavy articles. The first truck was built in Germany in 1896 by Gottlieb Daimler. By the 1920s trucks had become a major means of freight transport. Gasoline engines for trucks were common until the 1940s, when diesel engines generally replaced them. Trucks may be either straight (all axles attached to the frame) or articulated (two or more frames connected by couplings); large articulated trucks consist of a towing tractor and a connected semitrailer. Air brakes were added to trucks in 1918 and four-wheel brakes in 1925; later improvements included power steering.
Variants of TRUCK
truck or lorry
This entry comes from Encyclopædia Britannica Concise. For the full entry on truck, visit Britannica.com.