Heavy Vehicle (Vehicle Standards) National Regulation
sch.2-sec.32Axle configuration
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sch.2-sec.32 Axle configuration
A heavy motor vehicle, other than an articulated bus, must have only— 1 axle group, or a single axle, towards the front of the vehicle; and 1 axle group, or a single axle, towards the rear of the vehicle. A heavy motor vehicle that is an articulated bus must have only— on its front section— 1 axle group, or a single axle, towards the front of the section; and 1 axle group, or a single axle, towards the rear of the section; and on another section—1 axle group or single axle. A heavy trailer must have only— 1 axle group or a single axle; or 2 axle groups, 2 single axles, or 1 axle group and a single axle, in the following configuration— 1 axle group, or a 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; 1 axle group, or a single axle, towards the rear of the vehicle. A semitrailer that is extendible, or fitted with sliding axles, must— have a securing device that— can securely fix the extendible part or sliding axles to the rest of the vehicle in any position of adjustment provided; and is located in a position that can prevent accidental or inadvertent release, if the device is mounted on the vehicle’s chassis; and is fitted with an audible or visible warning system to indicate to a person standing beside the vehicle that the device is not engaged; and is fitted with a way of preventing loss of air from the air brake supply, if the device uses air from the semitrailer’s braking system and fails in a way allowing air to escape; and is held in the applied position by direct mechanical action without the intervention of an electric, hydraulic or pneumatic device; and be built so the adjustable parts of the vehicle remain connected if the securing device fails. (sch.2-sec.32-ssec.1) A heavy motor vehicle, other than an articulated bus, must have only— 1 axle group, or a single axle, towards the front of the vehicle; and 1 axle group, or a single axle, towards the rear of the vehicle. (sch.2-sec.32-ssec.2) A heavy motor vehicle that is an articulated bus must have only— on its front section— 1 axle group, or a single axle, towards the front of the section; and 1 axle group, or a single axle, towards the rear of the section; and on another section—1 axle group or single axle. (sch.2-sec.32-ssec.3) A heavy trailer must have only— 1 axle group or a single axle; or 2 axle groups, 2 single axles, or 1 axle group and a single axle, in the following configuration— 1 axle group, or a 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; 1 axle group, or a single axle, towards the rear of the vehicle. (sch.2-sec.32-ssec.4) A semitrailer that is extendible, or fitted with sliding axles, must— have a securing device that— can securely fix the extendible part or sliding axles to the rest of the vehicle in any position of adjustment provided; and is located in a position that can prevent accidental or inadvertent release, if the device is mounted on the vehicle’s chassis; and is fitted with an audible or visible warning system to indicate to a person standing beside the vehicle that the device is not engaged; and is fitted with a way of preventing loss of air from the air brake supply, if the device uses air from the semitrailer’s braking system and fails in a way allowing air to escape; and is held in the applied position by direct mechanical action without the intervention of an electric, hydraulic or pneumatic device; and be built so the adjustable parts of the vehicle remain connected if the securing device fails.