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When light-duty trucks were first produced in the United States, they were rated by their payload capacity in tons: 1 ⁄ 2 (1000 pounds), 3 ⁄ 4 (1500 pounds) and 1-ton (2000 pounds). Ford had introduced the "One-Tonner" in 1938 to their line of trucks. [23] The "Three-quarter-tonner" appeared in the Ford truck lineup in 1939. [23]
Vehicle size classes are series of ratings assigned to different segments of automotive vehicles for the purposes of vehicle emissions control and fuel economy calculation. . Various methods are used to classify vehicles; in North America, passenger vehicles are classified by total interior capacity while trucks are classified by gross vehicle weight rating (GV
A United States Navy Oshkosh MTVR, a six-wheel drive military truck with full-time all-wheel drive and super-single tires on all axles. Six-wheel drive (6WD or 6×6) is an all-wheel drive drivetrain configuration of three axles with at least two wheels on each axle capable of being driven simultaneously by the vehicle's engine.
In 1950 the next generation of tactical trucks were being developed. Sizes were rationalized, with 1 ⁄ 4 and 3 ⁄ 4-ton 4x4s and 2 + 1 ⁄ 2, 5, and 10-ton 6x6s. Trucks were military standard designs, 6x6 trucks used common cabs and similar fender and hood styles. [14]
The Studebaker US6 was a series of 2 + 1 ⁄ 2-ton 6×6 and 5-ton 6×4 trucks manufactured by the Studebaker Corporation and REO Motor Car Company during World War II.The basic cargo version was designed to transport a 2 + 1 ⁄ 2-short-ton (5,000 lb; 2,300 kg) cargo load over any type of terrain in any weather.
In 1949 specifications were set and truck manufactures began working on prototypes. Chrysler, GMC, and Mack's designs were advanced, International Harvester's was a conservative conventional, similar in size and layout to the earlier 6-ton (G512) series. [1] [2] [3]
Medium trucks are larger than light but smaller than heavy trucks. In the US, they are defined as weighing between 14 001– 26 000 lb (6 351– 11 793 kg). In North America, a medium-duty truck is larger than a heavy-duty pickup truck or full-size van. Some trucks listed as medium also are made in heavy versions. Box truck; Van; Cutaway van ...
The ten-cylinder 10DC engines share the dimensions of the 8DC series and were first seen in 1974, in the heavy-duty F-series trucks. 10DC6 – 18,608 cc, 375 PS (276 kW) at 2500 rpm. 10DC8 – 18,608 cc, 375–380 PS (276–279 kW), direct injection, torque is 130 kg⋅m (1,275 N⋅m; 940 lb⋅ft) for the 375PS version, Mitsubishi Fuso F-series .