Where Standard Annual Weights are selected, the following blanket allowable weights will apply:
Authorized weights for the transportation of indivisible loads:
a) Weight on tires less than 350mm wide may not exceed 11kg per mm width as embossed on the tire sidewalls; tires greater than 350mm wide may not exceed 10kg per mm width as embossed on the tire sidewall;
b) Weights shall not exceed the Manufacturers Rated Capacity of any vehicle or tire component;
c) Weight limit on a single axle other than a front axle shall be as per HTA plus 5,000kg; Axles equipped with single tires may not exceed 9,000kg;
d) Weight limit on tandem axles or two axle groups shall be as per HTA plus 7,000kg;
e) Weight limit on all other axle units and groups;
- with a total spread of less than 3.6m shall be as per HTA plus 9,000kg;
- with a total spread of 3.6m or greater shall be as per HTA plus 10,000kg
f) Gross weight limit for:
- Tractors drawing a two axle trailer: 55,000kg;
- Tractors drawing a trailer having three or more axles with a base length of equal to or less than 16.5m, the lesser of HTA Reg 413/05 plus 10,000kg or 63,500kg;
- Tractors drawing a trailer having three or more axles with a base length greater than 16.5m, the lesser of HTA Reg 413/05 plus 13,000kg or 63,500kg;
g) RGW at least the lesser of 63,500kg or actual gross vehicle weight.
The permit holder is entitled to overweight privileges when a reduced load period is in effect subject to the lesser of the above weight restrictions or a maximum of 7,700kg per axle with single (two) tires and 10,000kg per axle with dual (four) tires. Overweight privileges are prohibitied on all highways designated as being subject to reduced loading and posted as such in accordance with Ontario Regulation 615.