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Manitoba Axle Weight Limits

Oversize.io Axle Weight Calculator

Maximum Legal Weight Allowed

WEIGHT FOR AXLE GROUPS OTHER THAN STEER AXLES

MAXIMUM WIDE BASE SINGLE TIRE WEIGHT

RTAC**

Class A1

Class B1

Maximum per tire

N/A

3,850 kg

3,850 kg

Single Axle Maximum

9,100 kg

7,700 kg

7,700 kg

TANDEM AXLE UNIT

Tandem Axle Maximum

17,000 kg

15,200 kg

13,800 kg

TANDEM SEMI-TRAILER AXLE UNIT

Axle spread 2.4 m to less than 3.0

21,000 kg

20,000 kg

19,000 kg

Axle spread 3.0 m to less than 3.6

23,000 kg*

22,000 kg

19,000 kg

Axle spread 3.6 m to 3.7 m

24,000 kg

22,000 kg

19,000 kg

TRIDEM DRIVE AXLE UNIT

Axle spread 2.4 m to less than 2.8

21,000 kg

20,000 kg

19,000 kg

TRIDEM DRIVE AXLE UNIT (ON A VEHICLE WITH A TANDEM STEER AXLE GROUP)

Axle spread 2.7 m to less than 3.0

22,000 kg

20,000 kg

19,000 kg

*A trailer tridem axle group with an axle spread of 3.0 m or more but less than 3.6 m is allowed 24000 kg on routes with a designated maximum GVW of 63500 kg.
**RTAC refers to all commercial vehicles that conform to the national standard designated by the Road Transportation Association of Canada.

RTAC: (Acronym for “Road Transportation Association of Canada, now known as Transportation Association of Canada or “TAC”)

  • when used in reference to a highway, RTAC is one of the highway classifications in the national standard – RTAC, A1 and B1
  • when used in reference to a commercial vehicle, RTAC is a vehicle that complies with the Heavy Truck Weight and Dimension Limits for Interprovincial Operations in Canada (resulting from the Federal-Provincial-Territorial Memorandum of Understanding on Interprovincial Weights and Dimensions).

Source of information: https://www.gov.mb.ca/mit/mcd/mce/pdf/mb_vehicle_weights_and_dimensions_guide.pdf

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