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Legal Weights and Measures
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Regulation Summary
Maximum Allowable Weight for Truck
Maximum Allowable Weight for Truck
Maximum Allowable Weight
Percentage axle limit
100 %
90 %
75 %
Axle Group
Number of axles
Tridem Axle Spread
Number of tires
Tire size
Rated tire capacity
Allowable axle weight
Notes
Steering
1
2
2
4
0
195 mm.
205 mm.
215 mm.
225 mm.
235 mm.
245 mm.
255 mm.
265 mm.
275 mm.
285 mm.
295 mm.
305 mm.
315 mm.
335 mm.
355 mm.
365 mm.
385 mm.
425 mm.
445 mm.
7.0 in.
7.5 in.
8.0 in.
8.25 in.
8.5 in.
8.75 in.
9.0 in.
9.5 in.
10 in.
11 in.
12 in.
13 in.
14 in.
15 in.
16 in.
16.5 in.
18 in.
Drives
1
2
3
2.4-2.80 m
2.8-2.9 m
3.0-3.1 m
2
4
6
8
12
0
195 mm.
205 mm.
215 mm.
225 mm.
235 mm.
245 mm.
255 mm.
265 mm.
275 mm.
285 mm.
295 mm.
305 mm.
315 mm.
335 mm.
355 mm.
365 mm.
385 mm.
425 mm.
445 mm.
445 SS
455 SS
7.0 in.
7.5 in.
8.0 in.
8.25 in.
8.5 in.
8.75 in.
9.0 in.
9.5 in.
10 in.
11 in.
12 in.
13 in.
14 in.
15 in.
16 in.
16.5 in.
18 in.
Maximum Allowable Gross Weight
Minimum registered weight
This function calculates the maximum allowable weights as per the
Commercial Vehicle Dimension and Weight Regulation
of the
Traffic Safety Act.
Where the information shown on this page is not in agreement with the regulation, the regulation shall prevail.
This function
does not
take into consideration the "gross axle weight rating" (GAWR) or the "gross vehicle weight rating" (GVWR) of the vehicle. The owner/operator of the vehicle should ensure that the weight carried is within the manufacturer's rated capacity specifications.
The "Rated tire capacity" is the rated capacity of one tire, based on either single or dual application, as stamped on the sidewall of the tire.