Axles

901. (1) No axle, axle assembly or wheel, tire, suspension or other hardware of an axle assembly commonly referred to as running gear that is designed and manufactured exclusively for use on a mobile home or other vehicle that is not of a class prescribed by the Regulations shall be fitted to a trailer.

(2) The gross axle weight rating for each axle with which a trailer is equipped shall not

• (a) in the case of a vehicle equipped with demountable rims and spoke wheels, exceed the rated load carrying capacity of

  • (i) the suspension springs,

  • (ii) the axle,

  • (iii) the spoke wheels,

  • (iv) the demountable rims, or

  • (v) the tires; and

• (b) in the case of a vehicle equipped with disc wheels and hubs, exceed the rated load-carrying capacity of

  • (i) the suspension springs,

  • (ii) the axle,

  • (iii) the hubs,

  • (iv) the disc wheels, or

  • (v) the tires.

(3) The rated load carrying capacity referred to in paragraphs 2(a) and (b) for suspension springs, axles, hubs, disc wheels, spoke wheels, demountable rims or tires shall

• (a) be measured at the tire-ground interface; and

• (b) except in the case of heavy hauler trailers, be the continuous service ratings supplied by the respective manufacturers of the suspension springs, axles, hubs, disc wheels, spoke wheels, demountable rims or tires.