3. In this Regulation,“donkey type axle” means an axle added to the rear of a single unit road vehicle comprising at least one of the following specifications:
(1) an independent spring suspension;
(2) wheels that touch the ground only when the vehicle is loaded;
(3) (subparagraph revoked);
“dolly” means a dolly used to convert a semi-trailer into a trailer; (diabolo)
“load maximum” means the “GAWR” within the meaning of the Motor Vehicle Safety Regulations (C.R.C., c. 1038); (charge limite)
“self-steering axle” means an axle equipped at its ends with a part that can pivot around a vertical axis allowing the wheels to turn automatically in accordance with the vehicle-path or equipped with any other system that allows both wheels, the tires of which have a tread of a maximum width of 385 mm, to turn automatically according to the direction and path of the vehicle; (essieu autovireur)
“semi-trailer” means a road vehicle the front of which rests on the fifth wheel set on top of its chassis frame of of the vehicle hauling it; (semi-remorque)
“single axle” means an axle supporting a mass that can be measured under the wheels; (essieu simple)
“tandem axle” means a combination of 2 axles attached to a vehicle by a suspension system designed to distribute equally, at about 1,000 kg and at all times, the mass that can be measured under the wheels of each axle and consisting of a common suspension or of 2 identical suspensions attached together; (essieu tandem)
“towing vehicle” means a motor vehicle used to haul a trailer; (véhicule-remorqueur)
“tractor” means a motor vehicle equipped with a fifth wheel set on top of its chassis frame to which a semi-trailer is coupled; (tracteur)
“trailer” means a road vehicle, including a semi-trailer the front of which rests on a dolly attached to the vehicle that hauls it by a coupling system other than the fifth wheel set on top of its chassis frame of the vehicle hauling it; (remorque)
“triple axle” means a combination of 3 equally spaced axles attached to a vehicle by a suspension system designed to distribute equally, at about 1,000 kg and at all times, the mass that can be measured under the wheels of each axle and consisting of 3 identical suspensions attached together; (essieu triple)
“vehicle manufacturer” means any person manufacturing a vehicle defined by the Motor Vehicle Safety Act (S.C. 1993, c. 16); (le fabricant du véhicule)
“"wide-tread tire” means a tire of the size 445/50R22.5 or 455/55R22.5. (pneu à bande large)
For the purposes of this Regulation, the distance between the axes or the centres of 2 axles is the distance between the rotation centre of the axis of one axle in relation to the rotation centre of the axis of the other axle.