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Texas has established size and weight limits for vehicles and loads moving with or without oversize and/or overweight permit on Texas roadways and bridges. Weight includes the weight of the vehicle or combination, plus the weight of the load being transported.
Gross Vehicle Weight
Note: The basis for maximum legal weight is the number of axles. This information, in conjunction with the Permissible Weight Table, is used to determine maximum legal weight for a vehicle.
Note: An axle group must have a minimum spacing of 40 inches between axles within the group.
This formula determine the maximum legal weight on any group of two or more consecutive axles. The formula may be applied to inner axle groups such as the drive axles and the trailer or trailers, or the entire combination of axles from the steering axle or the power unit to the last trailing axle of the trailer.
W = the maximum weight in pounds that can be carried on a group of two or more axles to the nearest 500 pounds;
L = the distance in feet between the outer axles of any two or more consecutive axles;
N = the number of axles being considered.
The maximum permit weight for an axle or axle group is based on 650 pounds per inch of tire width or the following axle or axle group weight, whichever is the lesser limit.
Tandem (Two Axle)
Tridem (Three Axle)
Quadrum (Four Axle)
Quint (Five Axle)
Six or More Axles
Determined by MCD based on engineering study of the equipment and measurements.
Source of information: http://www.txdmv.gov/motor-carriers/oversize-overweight-permits/texas-size-weight-limitsCalculate Oversize/Overweight Load Regulations and Prices Instantly with Oversize.io