page_title: Bogie
hierarchical_section_title: Bogie
caption_attribution_description: English: Drawing of a railroad truck or bogie.
context_page_description: A bogie is a chassis or framework that carries a wheelset, attached to a vehicle—a modular subassembly of wheels and axles. Bogies take various forms in various modes of transport. A bogie may remain normally attached or be quickly detachable; it may contain a suspension within it, or be solid and in turn be suspended; it may be mounted on a swivel, as traditionally on a railway carriage or locomotive, additionally jointed and sprung, or held in place by other means.
  While bogie is the preferred spelling and first-listed variant in various dictionaries, bogey and bogy are also used.
context_section_description: A bogie (/ˈboʊɡi/ BOH-ghee) (in some senses called a truck in North American English) is a chassis or framework that carries a wheelset, attached to a vehicle—a modular subassembly of wheels and axles. Bogies take various forms in various modes of transport. A bogie may remain normally attached (as on many railroad cars and semi-trailers) or be quickly detachable (as the dolly in a road train or in railway bogie exchange); it may contain a suspension within it (as most rail and trucking bogies do), or be solid and in turn be suspended (as most bogies of tracked vehicles are); it may be mounted on a swivel, as traditionally on a railway carriage or locomotive, additionally jointed and sprung (as in the landing gear of an airliner), or held in place by other means (centreless bogies).
  While bogie is the preferred spelling and first-listed variant in various dictionaries, bogey and bogy are also used.
caption: A diagram of an American-style truck showing the names of its parts and showing the journal boxes to be integral parts of the side frame[1][2][3] The journal boxes house plain bearings
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