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Alberta Axle Weight Limits

Oversize.io Axle Weight Calculator

Maximum Legal Weight Allowed

  1. Tractor Semi-Trailer

WEIGHT

LIMIT

Steering Axle

Maximum 6000 kg

Single Axle:

Single tires

Maximum 7300 kg

Super single tires

Maximum 7700 kg *

Dual tires

Maximum 9100 kg

Tandem Axle:

Single tires

Maximum 13,600 kg

Super single tires

Maximum 15,400 kg *

Dual tires

Maximum 17,000 kg

Tridem Axle:

Single and super single tires

Maximum 19,000 kg **

Dual tires with axle spread from 2.4 m to less than 3.0 m

Maximum 21,000 kg **

Dual tires with axle spread from 3.0 m to 3.7 m

Maximum 24,000 kg **

Gross Vehicle Weight Limits

See Weight Calculator

Cannot exceed the sum of the maximum

legal axle weights and is subject to minimum interaxle spacing.

* Super single tires require “New Generation, Wide Base” tires with a minimum tire width of 445 mm. Available by permit only. Super single tires do not apply to the steering axle.

** These weights for tridem axles apply to provincial highways only. The maximum weight for a tridem axle on a municipal road is 17,000 kg. Permits may be available to achieve heavier weights.

  1. A-Train

WEIGHT                                                                                                                                                                                                                

 LIMIT

Steering Axle

Maximum 6000 kg

Single Axle:

Single tires

Maximum 7300 kg

Super single tires

Maximum 7700 kg

Dual tires

Maximum 9100 kg

Tandem Axle:

Single tires

Maximum 13,600 kg

Super single tires

Maximum 15,400 kg

Dual tires

Maximum 17,000 kg

Weight Restriction 1:

Combined axle weight of lead semi-trailer axle plus weight of converter dolly axle

If Dimension "A" is less than 3 metres, the combined weight is limited to a maximum of

17,000 kg for a two axle group or 23,000 kg for a three axle group.

Weight Restriction 2:

Sum of axle weights of full trailer.

The weight of the second trailer must not exceed the weight of the tractor drive axle(s) plus the weight of the axle(s) on the first semitrailer.

Gross Vehicle Weight Limits

See Weight Calculator

Cannot exceed the sum of the maximum legal axle weights to a maximum of 53,500 kg.

  1. B-Train

WEIGHT

LIMIT

Steering Axle

Maximum 6000 kg

Single Axle

Single tires

Maximum 7300 kg

Super single tires

Maximum 7700 kg *

Dual tires

Maximum 9100 kg

Tandem Axle:

Single tires

Maximum 13,600 kg

Super single tires

Maximum 15,400 kg *

Dual tires

Maximum 17,000 kg

Tridem Axle:

Single and super single tires

Maximum 19,000 kg **

Dual tires with axle spread 2.4 m to less than 3.0 m

Maximum 21,000 kg **

Dual tires with axle spread 3.0 m to 3.1 m

Maximum 24,000 kg **

Gross Vehicle Weight Limits

See weight calculator

Maximum GVW of 63,500 kg **

** The weights for tridem axles and the GVW apply to provincial highways only. The maximum weight for a tridem axle on a municipal road is 17,000 kg and the maximum GVW is 53,500 kg. Permits may be available to achieve heavier weights.

  1. C-Train

WEIGHT

LIMIT

Steering Axle

Maximum 6000 kg

Single Axle

Single tires

Maximum 7300 kg

Super single tires

Maximum 7700 kg *

Dual tires

Maximum 9100 kg

Tandem Axle:

Single tires

Maximum 13,600 kg

Super single tires

Maximum 15,400 kg *

Dual tires

Maximum 17,000 kg

WeightRestriction 1:

Combined axle weight of lead semi-trailer axle plus weight of converter dolly axle

If Dimension "A" is less than 3 metres, the combined weight is limited to a maximum of

17,000 kg for a two axle group or 23,000 kg for a three axle group.

WeightRestriction 2:

Sum of axle weights of full trailer.                                                                                                                                                  

The weight of the second trailer must not exceed the weight of the tractor drive axle(s) plus the weight of the axle(s) on the first semitrailer.

Gross Vehicle Weight Limits

See Weight Calculator

Cannot exceed the sum of the maximum legal axle weights to a maximum of 60,500 kg. **

  1. Truck

WEIGHT

LIMIT

Steering Axle

Maximum 7300 kg

Single Drive Axle

Single tires

Maximum 7300 kg

Super single tires

Maximum 7700 kg *

Dual tires

Maximum 9100 kg

Tandem Drive Axle:

Single tires

Maximum 13,600 kg

Super single tires

Maximum 15,400 kg *

Dual tires

Maximum 17,000 kg

Gross Vehicle Weight Limits

See Weight Calculator                                                                                               

Cannot exceed the sum of the maximum legal axle weights and is subject to minimum interaxle spacing.

  1. Truck And Pony-Trailer

WEIGHT

LIMIT

Steering Axle

Maximum 7300 kg

Single Axle

Single tires

Maximum 7300 kg

Super single tires

Maximum 7700 kg *

Dual tires

Maximum 9100 kg

Tandem Axle:

Single tires

Maximum 13,600 kg

Super single tires

Maximum 15,400 kg *

Dual tires

Maximum 17,000 kg

Tridem Axle:

Single and super single tires

Maximum 19,000 kg ***

Dual tires with axle spread 2.4 m to less than 2.5 m

Maximum 21,000 kg ** ***

Gross Vehicle Weight Limits

See Weight Calculator                                                                                                  

Cannot exceed the sum of the maximum legal axle weights and is subject to minimum interaxle spacing.

  1. Truck and Full Trailer

WEIGHT

LIMIT

Steering Axle

Maximum 7300 kg

Single Axle

Single tires

Maximum 7300 kg

Super single tires

Maximum 7700 kg *

Dual tires

Maximum 9100 kg

Tandem Axle:

Single tires

Maximum 13,600 kg

Super single tires

Maximum 15,400 kg *

Dual tires

Maximum 17,000 kg

Weight Restriction 1:

Sum of axle weights of full trailer.

Maximum 31,000 kg

Gross Vehicle Weight Limits

See Weight Calculator                                                                                           

Cannot exceed the sum of the maximum legal axle weights up to a maximum of 55,300 kg**

Maximum Permit Weight Allowed

Maximum Allowable Registered Gross Vehicle Weight (GVW) – 63,500 kg

Source of information: http://www.transportation.alberta.ca/4777.htm
http://www.qp.alberta.ca/1266.cfm?page=2002_315.cfm&leg_type=Regs&isbncln=9780779734542
http://www.transportation.alberta.ca/Content/docType276/Production/Max_GVW_Chart.pdf

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