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Maximum Allowable Weight for Truck

Maximum Allowable Weight

Percentage axle limit

Axle Group Number of axles Tridem Axle Spread Number of tires Tire size Rated tire capacity Allowable axle weight Notes
Steering
Drives
Maximum Allowable Gross Weight
Minimum registered weight

  1. 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.

  2. 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.

  3. 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.

  4. 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 North America) or 403-342-7138 for details.