page_title: Truck
section_title: Heavy
hierarchical_section_title: Truck / Types by size / Heavy
caption_attribution_description: Parked in the temporary yard at Hackney Wick whilst the Power station yard was taken over for work on the transforming station. I like the phrase "operatives working at rear" - could also be "workers operating at rear"! Or even Operatives operating at rear.
context_page_description: A truck or lorry is a motor vehicle designed to transport cargo. Trucks vary greatly in size, power, and configuration. Smaller varieties may be mechanically similar to some automobiles. Commercial trucks can be very large and powerful and may be configured to be mounted with specialized equipment, such as in the case of refuse trucks, fire trucks, concrete mixers, and suction excavators. In American English, a commercial vehicle without a trailer or other articulation is formally a "straight truck" while one designed specifically to pull a trailer is not a truck but a "tractor".
  Modern trucks are largely powered by diesel engines, although small- to medium-size trucks with gasoline engines exist in the US, Canada, and Mexico. In the European Union, vehicles with a gross combination mass of up to 3.5 t are known as light commercial vehicles, and those over as large goods vehicles.
context_section_description: Heavy trucks are the largest on-road trucks, Class 8. These include vocational applications such as heavy dump trucks, concrete pump trucks, and refuse hauling, as well as ubiquitous long-haul 4x2 and 6×4 tractor units.
  Road damage and wear increase very rapidly with the axle weight. The number of steering axles and the suspension type also influence the amount of the road wear. In many countries with good roads a six-axle truck may have a maximum weight of 44 t (97,000 lb) or more.
caption: Seddon Atkinson Stratos refuse compactor
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