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Tow truck

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Tow truck

A tow truck (also called a wrecker, a breakdown truck, recovery vehicle or a breakdown lorry) is a truck used to move disabled, improperly parked, impounded, or otherwise indisposed motor vehicles. This may involve recovering a vehicle damaged in an accident, returning one to a drivable surface in a mishap or inclement weather, or towing or transporting one via flatbed to a repair shop or other location.

A tow truck is distinct from a car carrier trailer, which is used to move multiple new or used vehicles simultaneously in routine transport operations.

Ferdinand Porsche of Austro-Daimler developed an artillery tractor for the Austro-Hungarian army in 1908, the M 08. One of the batch was constructed as a recovery vehicle for the others, with a large winch on the rear platform.

The wrecker (with lifting jib) was invented in 1916 by Ernest Holmes Sr. of Chattanooga, Tennessee, a garage worker who was inspired after he needed blocks, ropes, and six men to pull a car out of a creek. After improving his design he began manufacturing them commercially. The International Towing and Recovery Hall of Fame and Museum in his home town displays restored antique wreckers, tools, equipment, and pictorial histories of motor-vehicle towing, a type of work that Holmes originated.

Five general types of tow truck are in common usage, usually based on the type or size of vehicle to be towed:

These are the most common arrangements; others also exist, such as flatbed units that offer a wheel-lift, boom trucks that can recover but not tow, and wheel-lift units that offer a combination boom with sling.

There are also several sizes and weight categories of tow truck. The lightest models are usually based on light truck and van chassis offering boom and tow weights of around 5 to 10 short tons (4.5–9.1 metric tons), making them ideal for car towing. Medium-duty tow trucks have a boom capacity of 15 to 20 short tons (14–18 metric tons). Heavy-duty tow trucks, based on chassis used by semi-trucks, with multiple axles and the ability to tow fully loaded semi-truck and trailer combinations, have a boom capacity from 25 to 50 short tons (23–45 metric tons). Rotators are the heaviest type of tow truck, ranging from 40 to 75 short tons (36–68 metric tons) (though lighter models do exist) and often come with many other features per customer specification.[further explanation needed]

Most flatbed-type vehicles are based on medium-duty and heavy-duty trucks to provide the chassis strength necessary to carry entire vehicles.

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