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- Q179342 subject Q6806404.
- Q179342 subject Q8414822.
- Q179342 abstract "A dumper is a vehicle designed for carrying bulk material, often on building sites. Dumpers are distinguished from dump trucks by configuration: a dumper is usually an open 4-wheeled vehicle with the load skip in front of the driver, while a dump truck has its cab in front of the load. The skip can tip to dump the load; this is where the name "dumper" comes from. They are normally diesel powered. A towing eye is fitted for secondary use as a site tractor. Dumpers with rubber tracks are used in special circumstances and are popular in some countries.Early Thwaites dumpers had a payload of about a ton and were 2-wheel drive, driving on the front axle and steered at the back wheels. The single cylinder diesel engine (sometimes made by Lister) was started by hand cranking. The steering wheel turned the back wheels, not front. Having neither electrics nor hydraulics there was not much to go wrong. The skip was secured by a catch by the driver's feet. When the catch is released, the skip tips under the weight of its contents at pivot points below, and after being emptied is raised by hand.Modern dumpers have payloads of up to 10 tonnes (11 short tons; 9.8 long tons) and usually steer by articulating at the middle of the chassis (pivot steering). They have multi-cylinder diesel engines, some turbocharged, electric start and hydraulics for tipping and steering and are more expensive to make and operate. An A-frame known as a ROPS (Roll-Over Protection) frame, may be fitted over the seat to protect the driver if the dumper rolls over. Some dumpers have FOPS (Falling Object Protection) as well. Lifting skips are available for discharging above ground level. In the 1990s dumpers with swivel skips, which could be rotated to tip sideways, became popular, especially for working in narrow sites such as road works. Dumpers are the most common cause of accidents involving construction plant.These vehicles are also called "dumper" in some mainland European languages.".
- Q179342 thumbnail Thwaites_dumper_in_action_498_3.jpg?width=300.
- Q179342 wikiPageWikiLink Q12725.
- Q179342 wikiPageWikiLink Q132629.
- Q179342 wikiPageWikiLink Q1441585.
- Q179342 wikiPageWikiLink Q1447111.
- Q179342 wikiPageWikiLink Q174174.
- Q179342 wikiPageWikiLink Q177784.
- Q179342 wikiPageWikiLink Q3220745.
- Q179342 wikiPageWikiLink Q3246458.
- Q179342 wikiPageWikiLink Q4181026.
- Q179342 wikiPageWikiLink Q46.
- Q179342 wikiPageWikiLink Q6806404.
- Q179342 wikiPageWikiLink Q7278184.
- Q179342 wikiPageWikiLink Q731988.
- Q179342 wikiPageWikiLink Q756.
- Q179342 wikiPageWikiLink Q8414822.
- Q179342 wikiPageWikiLink Q940913.
- Q179342 comment "A dumper is a vehicle designed for carrying bulk material, often on building sites. Dumpers are distinguished from dump trucks by configuration: a dumper is usually an open 4-wheeled vehicle with the load skip in front of the driver, while a dump truck has its cab in front of the load. The skip can tip to dump the load; this is where the name "dumper" comes from. They are normally diesel powered. A towing eye is fitted for secondary use as a site tractor.".
- Q179342 label "Dumper".
- Q179342 depiction Thwaites_dumper_in_action_498_3.jpg.