Tractor units typically have large-displacement diesel engines for power, durability, and economy; several axles; and a multi-ratio transmission (10, 13, or 18 gears) for maximum flexibility in gearing. The tractor–trailer combination distributes a load across multiple axles while being more maneuverable than an equivalently sized rigid truck.

Buy cab over engines (COE), American torpedo front tractors and heavy load tractors for heavy duty. Wide range of tractors from all major brands such as Scania, DAF, MAN, Mercedes Benz, Volvo and Iveco. Tractor units (also known as prime movers) are heavy-duty vehicles designed to haul semi-trailers.

Buying a tractor unit through BAS World is easy, safe and fast. In fact, we have a wide variety of new and used pre-owned tractor units for sale. Consider popular brands such as Mercedes, Iveco, Volvo, Scania, DAF, MAN and more. Each brand has its own models and types on the market, each with its own advantages and disadvantages.

A semi-trailer truck[1] (also known by a wide variety of other terms – see below) 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. There are a wide variety of English-language terms for a semi-trailer truck, including:

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What is a Tractor unit? A tractor unit is a characteristically heavy-duty towing engine that provides motive power for hauling a towed or trailered ...

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A tractor unit is a large vehicle that can be used to tow trailers, usually with a fifth wheel hitch. These large trucks can have anywhere between two and five axles, two or more of which may be used for steering or moving the vehicle.

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BAS World helps you find that all-new tractor unit. Check out the actual stock on basworld.com. Every tractor unit is available directly from stock and ready to drive within a few days. Got your eye on a new tractor unit? Trade in your current vehicle. You'll receive an offer within 24 hours.