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This will result in the total maximum length of the semi-trailer truck being 57 ft (17.5 m) for trailers 48 ft in length, and 61 ft (18.55 m) for trailers 51 ft long. The increase in length will not result in the 97,000 lb weight limit being exceeded and will allow some operators to approach the weight limit which may not have been previously ...
A typical lowboy load configuration. A lowboy (low-loader in British English, low-bed in western Canada and South Africa or float in Australia and eastern Canada) is a semi-trailer with two drops in deck height: one right after the gooseneck and one right before the wheels. This allows the deck to be extremely low compared with other trailers.
The typical 5-axle tractor-trailer combination, also called a "semi" or "18-wheeler", is a Class 8 vehicle. [30] Standard trailers vary in length from 8 ft (2.4 m) containers to 57 ft (17 m) van trailers, with the most common length being the 53 ft (16 m) trailer. [31] Specialized trailers for oversized loads can be considerably longer.
A tractor unit pulling a semi-trailer A truck pulling a semitrailer using a trailer dolly. A semi-trailer is a trailer without a front axle. The combination of a semi-trailer and a tractor truck is called a semi-trailer truck (also known simply as a "semi-trailer", "tractor trailer", or "semi" in the United States). [1]
In Europe this is known as an A-frame drawbar trailer, and in Australia it is known as a dog trailer. Commercial freight trailers are produced to length and width specifications defined by the country of operation. In America this is 96 or 102 in (2.4 or 2.6 m) wide and 35 or 40 ft (11 or 12 m) long.
In order to further expand storage capacity, some trucks, typically called stinger units, are equipped with an "overhead" — an extra storage space mounted above the truck cabin which is accessible via the top ramp of a car carrier trailer. Up to 3 vehicles can be loaded on the truck: one on the roof, and two over the 5th wheel/drive tires. [3]
Part of the trailer body extends over the truck bed, shortening the total length of the vehicle and trailer combined. Some larger fifth-wheel trailers, usually over 40 feet (12.2 m) in length and 18,000 pounds (8,200 kg) in weight, are pulled by semi-trucks.
A container chassis, also called intermodal chassis or skeletal trailer, is a type of semi-trailer designed to securely carry an intermodal container. Chassis are used by truckers to deliver containers between ports , railyards, container depots, and shipper facilities, [ 1 ] : 2–3 and are thus a key part of the intermodal supply chain .