Maximum Allowable Weight for Truck
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
2.6-2.80 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.
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.
The maximum weight allowed on municipal roads is 17,000 kg. on a tridem axle. Permits may be available to exceed these weight limits, subject to municipal approval. Contact the Central Permit Office at 1-800-662-7138 (in Alberta) or 403-342-7138 (outside of Alberta) for details.