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Starting in 1972 tires were specified by load rating, using a letter code. In practice, a higher load rating tire was also a wider tire. In this system a tire had a letter, optionally followed by "R" for radial tires, followed by the aspect ratio, a dash and the diameter – C78-15 or CR78-15 for bias and radial, respectively. Each diameter of ...
A popular name for a single, larger wheel and tire, (properly called a "wide-base tire"), substituted for "Dual wheels" (see above), an adjacent pair assembly. The main benefit of a super single is a reduction in weight; combined with lower rolling resistance the super single promises better fuel economy.
Over time, payload capacities for most domestic pickup trucks have increased while the ton titles have stayed the same. The 1948 Ford F-1 had a Gross Vehicle Weight Rating (GVWR) of 4700 pounds. [24] The truck was marketed with a "Nominal Tonnage Rating: Half-Ton." [24] The actual cargo capacity had increased to 1450 pounds. [24]
For example, an $1,150 load going 400 miles would net a carrier $977.50, but the same load double-brokered might result in $875.00 to the carrier. This margin on the second booking would net the broker an additional 14.3%. The shipper may not be aware of this and the contracted truck [clarify] will likely not be dispatched to pick up the load ...
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
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The axle load of a wheeled vehicle is the total weight bearing on the roadway for all wheels connected to a given axle.Axle load is an important design consideration in the engineering of roadways and railways, as both are designed to tolerate a maximum weight-per-axle (axle load); exceeding the maximum rated axle load will cause damage to the roadway or railway tracks.
The upper chuck lowers to make contact with the upper bead. The tire is inflated to the set point pressure. The load wheel advances to contact the tire and apply the set loading force. The spindle drive accelerates the tire to the test speed. Once speed, force, and pressure are stable, load cells measure the force exerted on the load wheel by ...