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Ontario Axle Weight Limits

Oversize.io Axle Weight Calculator

Maximum Legal Weight Allowed

FRONT AXLE MAXIMUM (LOWEST OF A, B AND C)

Feature

Weight Limit

a) by manufacturer’s axle rating or default

i. GAWR (if verified), or

ii. If GAWR not verified, the lower of:

1. 5,000 kg, and

2. the sum of the maximum tire load ratings

b) by tire width

11 kg × combined tire widths in mm

c) by axle unit description

Single Axle: 7,700 kg

THER AXLE MAXIMUMS (LOWEST OF A, B AND C)

Feature

Weight Limit

a) by manufacturer’s axle rating or default                                  

i. GAWR (if verified), or

ii. If GAWR not verified, the sum of the maximum tire load ratings

b) by tire width

10 kg × combined tire widths in mm

c) by axle unit description

Other Tractor Axles and Trailer Axles:

Single Axle (Single Tires): 9,000 kg

Single Axle (Dual Tires): 10,000 kg

Tandem Axle by axle spread:

1.2 < 1.8m: 18,000 kg

1.8m or more (Single Tires): 18,000 kg

1.8m or more (Dual Tires):19,100 kg

Tridem Axle – by axle spread:

2.4 < 3.0m: 21,300 kg

3.0 < 3.6m: 24,000 kg

3.6 to 3.7m: 26,000 kg

Note: too much information, there are at least two weight charts for each type of vehicles.

Maximum Permit Weight Allowed

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

Source of information: https://www.ontario.ca/laws/regulation/050413#BK20

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