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- European online marketplace of commercial vehicles
- Federal Size Regulations for Commercial Motor Vehicles
- Are You Correctly Assessing Federal Excise Tax on Parts and Accessories?
- Bosch presents electromobility for semitrailers
- Commercial Semi Trucks, Trailers, and Parts For Sale - Buy & Sell Online!
- Auto Parts Truck, Semi-Trailer and Tractor Wheel Hub Unit
- 1,191 results for Spare parts, Iveco
European online marketplace of commercial vehiclesVIDEO ON THE TOPIC: Meet the Truck (Learn the parts of a truck)
We use words without paying much attention to them. There are actually two possible explanations. It is a name everyone understands and once you mention a semi-truck everyone has an image in their heads of an articulated vehicle, consisting of a tractor unit and a trailer.
Actually, the trailer is part of the story why semi-trucks are called like that. Semi-trucks are, most of the time, hauling semi-trailers. A simple trailer is a wheeled platform, which can stand on its own on its wheels without any support. Meanwhile semi-trailers only have wheels at one end of the platform.
The other end relies on the chassis of the semi-truck for support when driving. It cannot stand by itself on its wheels — it needs extendable legs or some other type of support structure. Semi-trailers cannot be hauled by anything else — they need an appropriate semi-truck to move.
But that is just a part of the explanation. Semi-truck is a combination of a semi-trailer and a tractor unit. Not that difficult to understand and it totally makes sense. But there is another explanation for where did this name come from. There are two most common types of fifth-wheels: semi-oscillating and fully-oscillating.
Most semi-trucks feature a semi-oscillating hitch turntable hitch or fifth wheel — whatever you want to call it. It means that the hitch mechanism is not entirely rigid — it tilts slightly from front to back. Imagine that the rear of the semi-trailer gets a little bouncy and starts moving up and down. The fifth-wheel will accommodate that movement, making the entire truck more stable.
But if the trailer is tilting sideways, the semi-oscillating hitch will not move with it — a semi-oscillating hitch does not tilt from side to side.
It is not usually a problem, though, because semi-trailers typically have enough flexibility in their chassis to absorb lateral movement without disturbing the balance of the tractor unit. However, in some situations a fully-oscillating hitch has to be used. For example, in forestry semi-trucks.
Because the terrain is so uneven, semi-trailers get rocked quite a lot. A fully-oscillating hitch tilts from side to side and thus allows for more movement in the trailer without disturbing the truck. This is also beneficial when the semi-trailer is very rigid for example, when it is a tanker.
However, fully-oscillating fifth-wheels are more complex, more expensive and typically unnecessary, which makes them pretty rare. That could be why semi-truck name stuck. The reason why semi-trucks are called this name is probably combination of both of these theories.
You should remember that a typical semi-truck is an articulated vehicle, consisting of a tractor unit and a semi-trailer, connected through a semi-oscillating hitch. Save my name, email, and website in this browser for the next time I comment. Sign in. Log into your account. Forgot your password? Password recovery.
Recover your password. Tuesday, January 14, Get help. Home Heavy Equipment Why semi-trucks are called like that? Why do some forklifts have white tires? Why some old tractors have their front wheels close together?
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Federal Size Regulations for Commercial Motor Vehicles
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Here at Trucker-to-Trucker, our goal is to help truckers and trucking companies find the trailers, trucks, parts and equipment that you need to haul loads down the road efficiently. With the level of technology available today, we are confident in our ability to help you buy commercial trucks completely online, while feeling confident that you're getting exactly the trucks, trailers and equipment you are paying for. Our listings include semi-trucks from the best manufacturers in the trucking industry. Whether you're looking for conventional tractors, daycabs, cabovers, sleeper trucks or any other type of truck, we've got the trucks you need.
A semi-trailer is a trailer without a front axle. In the United States , the term is also used to refer to the combination of a truck and a semi-trailer, a tractor-trailer. A large proportion of a semi-trailer's weight is supported by a tractor unit , or a detachable front-axle assembly known as a dolly , or the tail of another trailer. A semi-trailer is normally equipped with landing gear legs which can be lowered to support it when it is uncoupled. Many semi-trailers have wheels that are capable of being totally dismounted and are also relocatable  repositionable to better distribute load to bearing wheel weight factors. Ease of backing is cited as one of the semi's chief advantages. Semi-trailers with two trailer units are called B-doubles Australian English or tandem tractor trailers ,  tandem rigs , or doubles American English. Other terms used are " B-train " or when there are three or more trailers " road train ".
Are You Correctly Assessing Federal Excise Tax on Parts and Accessories?
June — With its new EcoDuo concept, Schmitz Cargobull is launching a new transport concept for the European market. In the EcoDuo combination, two standard curtainsider semi-trailers — connected via a dolly — are coupled to a tractor unit. The total tractor-trailer weight of the tractor and the first trailer remains unchanged at 40 tonnes; the weight of the second trailer can vary, though it can reach 36 tonnes to comply with current Scandinavian regulations. This trailer combination is currently being tested in Spain with a tractor-trailer weight of 40 tonnes for the first trailer and 30 tonnes for the second.
This exhibition sector combines the Equipment for freight transport. Here you will find suitable options for road, rail, water, air, and combined transport. You can also expect to see optimized containers and solutions for special freight goods. Vehicle superstructures, plus equipment and accessories are also on show here. From the big vehicle manufacturer to the small supplier of specialist vehicle solutions—all the firms involved in producing road vehicles are here. Locomotives Open and covered standard freight wagons Special freight wagons Special superstructures Equipment and accessories for rail vehicles. The construction and drive technology of the rail vehicles are in focus here, as well as maintenance and repair. On show also are initial developments and concepts on the theme of driverless rail vehicles. In the coming years groundbreaking new developments are expected in this area in rail transport. Equipment for combined transport, also known as intermodal transport or multimodal transport, links up different modes of transport into a continuous transport chain. The classic example is the road-rail model, and with long delivery chains, transport by ship or air is also generally involved, upstream of downstream.
Bosch presents electromobility for semitrailers
A semi-tractor-trailer truck , also known simply as a semi-trailer truck , tractor-trailer truck , semi-tractor truck , semi-truck , trailer truck or tractor truck , is the combination of a tractor unit and one, or more, semi-trailers to carry freight. A semi-trailer attaches to the tractor with a type of hitch called a fifth-wheel. It is variously known as a transport truck , transfer truck or articulated truck , abbreviated artic , in Canada , semi-lorry or single lorry in Australia and New Zealand , semi-tractor-trailer , semi-trailer , tractor-trailer , semi-tractor , semi , trailer , tractor , big rig or eighteen-wheeler in the United States and articulated lorry in the United Kingdom and Ireland. In North America , the combination vehicles made up of a powered truck and one or more semitrailers are known as "semis", "semitrailers",  "tractor-trailers", "big rigs", "semi-trucks", "eighteen-wheelers" or "semi-tractor-trailers". The tractor unit typically has two or three axles ; those built for hauling heavy-duty commercial-construction machinery may have as many as five, some often being lift axles. The most common tractor-cab layout has a forward engine, one steering axle, and two drive axles.
Commercial Semi Trucks, Trailers, and Parts For Sale - Buy & Sell Online!
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Auto Parts Truck, Semi-Trailer and Tractor Wheel Hub Unit
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1,191 results for Spare parts, Iveco
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We are one of the leading companies in the worldwide buying and selling of used trucks, tractor-units, semi-trailers, trailers and truck parts. We are well known as a reliable supplier on the import and export market of used trucks and spare parts, mostly for the extended service we can offer to our customers, like:. You find a constant stock of trucks and trailers of all common brands and in every price range in our yard.
We use words without paying much attention to them. There are actually two possible explanations. It is a name everyone understands and once you mention a semi-truck everyone has an image in their heads of an articulated vehicle, consisting of a tractor unit and a trailer. Actually, the trailer is part of the story why semi-trucks are called like that.