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The name comes from the fact that the arrangement of lines is roughly Z-shaped. Besides the mechanical advantage to pulling, it also uses only part of the total length of the rope for the block and tackle arrangement. The typical configuration (see diagram) uses two single pulleys and two Prusik knot loops or other suitable friction hitches. [2]
At 2,500 pounds (1.1 t), the 9N could plow more than 12 acres (4.9 hectares) in a normal day pulling two 14-inch (360 mm) plows, [3] outperforming the tractive performance of the heavier and more expensive Farmall F-30 model. [3] The hitch's utility and simplicity have since made it an industry standard.
The gooseneck hitch mounts in the middle of the truck bed. This hitch is designed to be paired with a gooseneck trailer, which can manage heavier loads than a hitch at the back of the tow vehicle. An advantage of the gooseneck hitch is its tighter turning radius, which helps when towing a big flatbed or car hauler.
In other cases, a specialized vehicle dolly can be attached to a standard vehicle hitch; for example, some moving vehicle rental companies, such as U-Haul, will rent these dollies for one-way transport of cars (flat tow bar towing). [7] [8] Hitch tow trucks are mostly sized for cars and light-duty trucks.
Truck and tractor pulling, also known as power pulling, is a form of a motorsport competition in which antique or modified tractors pull a heavy drag or sled along an 11-meter-wide (35 ft), 100-meter-long (330 ft) track, with the winner being the tractor that pulls the drag the farthest.
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Conventional style cab tractor A cab-over semi-tractor Tractor with an end-dump trailer A FAW semi-trailer truck in China A semi-trailer truck (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. Other terms There are a ...