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Drawbar eye. A drawbar eye, also called tow eye, is a mechanical part to connect an independent trailer / dolly via a drawbar coupling to a tractor. [2] the eye is connected to the front end of a drawbar with bolt, flange-mounting or welding. [3] Most are made from high tension material to bear heavy loads while being pulled by the tractor.
The fifth-wheel coupling provides the link between a semi-trailer and the towing truck, tractor unit, leading trailer or dolly. The coupling consists of a kingpin, a 2-or- -inch-diameter (50.8 or 88.9 mm) vertical steel pin protruding from the bottom of the front of the semi-trailer, and a horseshoe-shaped coupling device called a fifth wheel ...
The Federal-Aid Highway Act Amendments of 1974 established the bridge formula as law, along with the gross weight limit of 80,000 pounds (36,000 kg). Current applications of the formula allow for up to 7 axles and 86 feet or more length between axle sets, and a maximum load of 105,500 lbs. [2]
Freightliner M2 106 extended cab fitted with aftermarket pickup truck bed. Freightliner Specialty Vehicles (also known as SportChassis LLC) [31] is a manufacturer based in Clinton, Oklahoma that produces conversions of the Business Class M2 as consumer vehicles. [32] Several vehicles are available, including 5th-wheel tow vehicles and pickup ...
M923 (M939 series) The 5‑ton 6x6 truck, officially "Truck, 5-ton, 6x6", was a class of heavy-duty six-wheel drive trucks used by the US Armed Forces. The basic cargo version was designed to transport a 5-ton (4,500 kg) load over all roads and cross-country terrain in all weather. Through three evolutionary series (M39, M809, and M939) there ...
A conventional ladder frame has a front steering axle with a 12,000 lb (5,400 kg) weight rating and tandem rear axles with a 40,000 lb (18,000 kg) weight rating. The truck can have a maximum weight of 52,000 lb (24,000 kg), including a 30,000 lb (14,000 kg) load. The total weight rating of the truck and trailer is 105,000 lb (48,000 kg).
350 mi (563.3 km) Maximum speed. 52 mph (84 km/h) The M809 Series 5-ton 6x6 truck (G908) was a family of heavy tactical trucks built for the United States Armed Forces. The basic cargo version was designed to transport a 5-ton (4,500 kg), 14 ft (4.3 m) long load over all terrain in all weather. In on-road service the load weight was doubled.
Tractor with an end-dump trailer. A FAW semi-trailer truck in China. 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.