Document ID: chunk:federal_register_of_legislation:F2016C00773:clause:1_14:p13
Version: federal_register_of_legislation:F2016C00773
Segment Type: clause
Provision Reference: sch 1 cl 14 (pt 13/51)
Character Range: 48675–51173

the Act are used in this Part:
 motor vehicle  trailer

Division 1—Axles

4.1  Axle configuration
 (1) A motor vehicle, other than an articulated bus, must have only:
 (a) a single axle group, a twinsteer axle group or a single axle towards the front of the vehicle; and
 (b) one axle group or a single axle towards the rear of the vehicle.
 (2) An articulated bus must have on:
 (a) its front section:
 (i) only a single axle group, a twinsteer axle group or a single axle towards the front of the section; and
 (ii) only one axle group or a single axle towards the rear of the section; and
 (b) a section other than its front section—only one axle group or single axle.
 (3) A trailer, other than a semi‑trailer, must have only:
 (a) one axle group or a single axle; or
 (b) 2 axle groups or 2 single axles in the following configuration:
 (i) one axle group or single axle towards the front of the vehicle, with all the wheels on the axle group or single axle connected to the steering mechanism for that part of the trailer; and
 (ii) one axle group or single axle towards the rear of the vehicle.
 (4) A semi‑trailer must have only one axle group or a single axle.
 (5) The axle group or single axle must be located towards the rear of the semi‑trailer.
 (6) A semi‑trailer that is extendible, or is fitted with sliding axles, must:
 (a) have a securing device that:
 (i) can securely fix the extendible part or the sliding axles to the rest of the vehicle in any position of adjustment provided; and
 (ii) is located in a position that can prevent accidental or inadvertent release, if it is mounted on the chassis of the vehicle; and
 (iii) is fitted with a visible or audible warning device to indicate to a person standing beside the vehicle that the device is not engaged; and
 (iv) is fitted with a means of preventing loss of air from the air brake supply, if the device uses air from the brake system and fails in a way that allows air to escape; and
 (v) is held in the applied position by direct mechanical action without the intervention of any hydraulic, electric or pneumatic device; and
 (b) be built so that the adjustable parts of the vehicle remain connected if the securing device fails.

4.2  Relation between axles in an axle group
  The axles in an axle group, other than a twinsteer axle group, fitted to a vehicle must relate to each other through a load‑sharing suspension system.

Division 2—Dimensions

4.4  Width
 (1) A vehicle must not be more than 2.5 metres wide.