{"id":4722,"date":"2022-07-05T12:23:44","date_gmt":"2022-07-05T02:23:44","guid":{"rendered":"https:\/\/www.driverknowledgetests.com\/resources\/?p=4722"},"modified":"2022-07-05T12:23:44","modified_gmt":"2022-07-05T02:23:44","slug":"how-much-weight-can-you-carry-over-different-types-of-axles-on-a-truck-or-trailer","status":"publish","type":"post","link":"https:\/\/www.driverknowledgetests.com\/resources\/how-much-weight-can-you-carry-over-different-types-of-axles-on-a-truck-or-trailer\/","title":{"rendered":"How much weight can you carry over different types of axles on a truck or trailer?"},"content":{"rendered":"\n

To avoid excess wear on the road and to ensure that bridges and other road infrastructure can cope, there are limits to how much weight can be placed above different types of axle. The tyres on those axles transfer the weight through to the surface. The rules are anything but consistent.<\/p>\n\n\n\n

\"\"<\/td>Single axle, single tyres<\/td>Steer axle*
Non-steer axle, tyres <375mm
Non-steer axle, tyres 375-449mm
Non-steer axle, tyres >450mm<\/td>		6000kg
6000kg
6700kg
7000kg<\/td><\/tr>
<\/td><\/td>*Some exceptions exist in Queensland and for road trains<\/td><\/td><\/tr>
\"\"<\/td>Single axle, dual tyres<\/td>Pig trailer
Any other vehicle
A complying bus or a bus authorised to carry standing passengers
Ultra-low-floor bus with no axle groups<\/td>		8500kg
9000kg
1000kg

11000kg<\/td><\/tr>
\"\"<\/td>Twin-steer axle group, single tyres<\/td>Non-load-sharing suspension system
Load-sharing suspension system<\/td>		10000kg
11000kg<\/td><\/tr>
\"\"<\/td>Tandem axle group, single tyres<\/td><375mm
375-449mm
>449mm<\/td>		11000kg
13300kg
14000kg<\/td><\/tr>
\"\"<\/td>Tandem axle group, dual + single tyres<\/td>Single on one axle, dual on the other
A complying bus<\/td>		13000kg
14000kg<\/td><\/tr>
\"\"<\/td>Tandem axle group, dual tyres<\/td>Pig traile<\/a>r
Any other vehicle<\/td>		15000kg
16500kg<\/td><\/tr>
\"\"<\/td>Tri-axle group,single tyres<\/td>Single tyres <375mm, or a combination of singles and duals
Pig trailer >374mm, duals on all axles or a combination<\/td>		15000kg

18000kg<\/td><\/tr>
\"\"<\/td>Tri-axle group, dual tyres<\/td>Vehicle other than a pig trailer, single tyres >374mm, or duals or a combination<\/td>20000kg<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

There are some associated rules:<\/p>\n\n\n\n

Dog or pig trailers must not be heavier than the truck towing them.<\/p>\n\n\n\n

The maximum GML (general mass limits) for a combination is 42500kg unless operating under a notice permit or specific scheme.<\/p>\n\n\n\n

All heavy vehicle must be fitted with road-friendly suspension and accredited under the NHVAS (National Heavy Vehicle Accreditation Scheme).<\/p>\n","protected":false},"excerpt":{"rendered":"

To avoid excess wear on the road and to ensure that bridges and other road infrastructure can cope, there are limits to how much weight can be placed above different types of axle. The tyres on those axles transfer the…<\/span><\/p>\n

Read more ›<\/a><\/div>\n

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