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- Bogie from K G Wagon Mole Creek - 2.JPG
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- Bogies of rail vehicles
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Article
24 sectionsContents
- Railway
- Purpose
- Components
- Locomotives
- Diesel and electric
- Steam
- Rollbock
- Archbar bogies
- Tramway
- Modern
- Historic
- Hybrid systems
- Variable gauge axles
- Radial steering truck
- Articulated bogie
- Articulated lorries (tractor-trailers)
- Tracked vehicles
- Aircraft bogies
- See also
- Articles on bogies and trucks
- Related topics
- References
- Further reading
- External links
thumb|upright=1.2|Bogie on a Czech Railways side-tipper car
A bogie ( ) (or truck in North American English) comprises two or more wheelsets (two wheels on an axle), in a frame, attached under a vehicle by a pivot. 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 for a dolly in a road train or in railway bogie exchange). It may include suspension components within it (as most rail and trucking bogies do), or be solid and in turn be suspended (as are most bogies of tracked vehicles). 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).