The American Driver
From Drivers...For Drivers
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National Weight & Size Provisions
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Semi-Trailer in
Tractor-Semi-Trailer Combo
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Gross Vehicle Weight
(lb.)
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State/Provincial Weight & Size Limits
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Gross Vehicle Weight
(lb.)
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Tire Manufacturing
Rating
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Tractor &
Semi-Trailer &
Full Trailer
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Not Specified
if the trailer is 48' or less
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(1) Trailers of 48' to 53' require no more than 41' spacing from kingpin to center of rear axle group.
(2) Overall length is 61' for the combined trailer units including space between.
(3) Must comply with Utah bridge table B extended and have 51' from first to fifth axle.
(4) Allowed with permit only. Permit must be obtained prior to beginning operation and takes 2 to 4 weeks.
