Weight limits
ProvincePeriodFront single axle Tandem axle Tridem axle
(3.0m to 3.6m)
Gross weight
QuebecNormal5,500 kg / 12,100 lbs18,000 kg / 39,600 lbs24,000 kg / 52,800 lbs47,500 kg / 104,500 lbs
QuebecThaw
5,500 kg / 12,100 lbs15,500 kg / 34,100 lbs21,000 kg / 46,200 lbs42,000 kg / 92,400 lbs
Ontario Normal 5,500 kg / 12,100 lbs17,000 kg / 37,400 lbs24,000 kg / 52,800 lbs45,500 kg / 100,100 lbs
Manitoba Normal 6000 kg / 13,200 lbs17,000 kg / 37,400 lbs24,000 kg / 52,800 lbs
as of Jan. 27, 2017
see notes below
46,000 kg / 101,200 lbs
SaskatchewanNormal 6000 kg / 13,200 lbs17,000 kg / 37,400 lbs24,000 kg / 52,800 lbs
on provincial highways
46,000 kg / 101,200 lbs
Alberta Normal 5,500 kg / 12,100 lbs17,000 kg / 37,400 lbs24,000 kg / 52,800 lbs46,000 kg / 101,200 lbs

Manitoba (RTAC):

A trailer tridem axle group with an axle spread of 3.0 m or more but less than 3.6 m is allowed 24,000 kg on routes with a designated maximum GVW of 63,500 kg.