Oversize or overmass vehicles
Mass limits
Single axles and single axle groups (one axle or 2 axles with centre of axle spacing less than 1 m)
| Description of axle or axle group | Mass limit |
|---|
|
Single steer axle on a motor vehicle
|
6 t |
Single axle or single axle group fitted with single tyres with section width of:
(a) less than 375 mm
|
6 t |
|
(b) at least 375 mm but less than 450 mm
|
6.7 t |
|
(c) at least 450 mm
|
7 t |
Single axle or single axle group fitted with dual tyres on:
(a) a pig trailer
|
8.5 t |
|
(b) a bus licensed to carry standing passengers
|
10 t |
|
(c) any other vehicle
|
9 t |
Twin steer axle groups
| Description of axle or axle group | Mass limit |
|---|
|
Twin steer axle group without a load-sharing suspension system
|
10 t |
|
Twin steer axle group with a load-sharing suspension system
|
11 t |
Tandem axle groups (at least 2 axles with the centre of axle spacing at least 1 m but not more than 2 m)
| Description of axle or axle group | Mass limit |
|---|
|
Tandem axle group fitted with single tyres with section width of: (a) less than 375 mm
|
11 t |
|
(b) at least 375 mm but less than 450 mm
|
13.3 t |
|
(c) at least 45 0mm
|
14 t |
|
Tandem axle group fitted with single tyres on one axle and dual tyres on the other axle
|
13 t |
Tandem axle group fitted with dual tyres on:
(a) a pig trailer
|
15 t |
|
(b) any other vehicle
|
16.5 t |
Tri-axle groups (at least 3 axles with centre of extreme axle spacing at least 2 m but not more than 3.2 m)
| Description of axle or axle group | Mass limit |
|---|
|
Tri-axle group on a vehicle fitted with single tyres with section width of less than 375 mm on all axles or single tyres on one or 2 axles and dual tyres on the other axle or axles
|
15 t |
|
Tri-axle group on a pig trailer with either single tyres with section width of at least 375 mm, dual tyres on all axles or a combination of those tyres
|
18 t |
|
Tri-axle group on a vehicle, other than a pig trailer, with either single tyres with section width of at least 375 mm, dual tyres, or a combination of those tyres
|
20 t |
Quad axle groups (at least 4 axles with centre of extreme axle spacing at least 3.2 m but not more than 4.9 m)
| Description of axle or axle group | Mass limit |
|---|
|
Quad-axle group fitted with single tyres with section width of less than 375 mm
|
15 t |
|
Quad-axle group fitted with single tyres with section width of at least 375 mm or dual tyres
|
20 t |
Other axle groups
| Description of axle or axle group | Mass limit |
|---|
|
Any other axle group not specifically referred to in this schedule
|
20 t |
Axle groups fitted with complying road friendly suspension – (each axle group fitted with dual tyres)
| Description of axle or axle group | Mass limit |
|---|
|
Tandem axle group
|
17 t |
|
Tri-axle group
|
22.5 t |
Print all pages in this section
Give feedback about this page.
Share this page:
URL copied!
