Heavy Vehicle National Law
Victoria Class 3 Heavy Vehicle Twinsteer Prime Mover and Semitrailer Combination Mass Exemption Notice 2015 (No.1)
Purpose
1. The purpose of this notice is to exempt a certain category of class 3 heavy vehicles in Victoria from stated mass requirements prescribed in the Heavy Vehicle (Mass, Dimension and Loading) National Regulation (the National Regulation).
Note – This notice replaces the Victoria Class 3 Heavy Vehicle Twinsteer Prime Mover and Semitrailer Combination Mass Exemption Notice 2014 (No. 2).
Authorising Provision
2. This notice is made under section 117 of the Heavy Vehicle National Law as in force in each participating jurisdiction (the HVNL).
Title
3. This notice may be cited as the Victoria Class 3 Heavy Vehicle Twinsteer Prime Mover and Semitrailer Combination Mass Exemption Notice 2015 (No.1).
Commencement
4. This Notice commences on 12 November 2015.
Expiry
5. This Notice Expires on 11 November 2016.
Definitions
6. Unless otherwise stated, words or expressions used in this notice have the same meanings as in the HVNL or regulations made under the HVNL.
Application
7. This Notice applies to a Class 3 heavy vehicle consisting of:
a. A prime mover constructed with:
i. A twinsteer axle group with single tyres (two tyres per axle) and load sharing suspension; and
ii. A tandem axle group with dual tyres (four tyres per axle) fitted with a certified road-friendly suspension system;
b. Connected to one semitrailer that has-
i. A tandem axle group with single tyres on one axle and dual tyres on the other axle fitted with a certified road friendly suspension system; or
ii. A tandem axle group with dual tyres fitted with a certified road-friendly suspension system; or
iii. A tri-axle group with dual tyres fitted with a certified road-friendly suspension system.
8. This notice applies in Victoria
Exemption from prescribed mass requirements
9. A heavy vehicle described in clause 7 of this notice is exempt from the following requirements of the National Regulation:
a. section 2(1)(a)(iv) of Schedule 1;
b. section 2(1)(b) of Schedule 1;
c. section 4 and Table 1 of Part 2 of Schedule 1;
d. section 5(1) and Table 2 of Part 2 of Schedule 1.
Condition- Mass Requirements
10. A vehicle to which this notice applies must comply with the mass requirements set out in Schedule 2 of this notice.
Stated Areas or Routes
11. A vehicle to which this notice applies may only use the areas or routes set out in Schedule 1 of this notice and must comply with any condition specified for those areas or routes.
Dated 3 November 2015

Sal Petroccitto
Chief Executive Officer
National Heavy Vehicle Regulator
SCHEDULE 1 – Areas or Routes
1. Pursuant to clause 11, a vehicle to which this notice applies may use the areas or routes set out in in the VicRoads Higher Mass Limits network map maintained at the following link:
https://www.vicroads.vic.gov.au/business-and-industry/heavy-vehicleindustry/heavy-vehicle-map-networks-in-victoria
SCHEDULE 2 – Mass Requirements and Conditions
Axle Mass Limit Requirements
1. Subject to the total combination mass limit specified in clause 2 of this Schedule, the mass of an axle group on a vehicle to which this notice applies must not exceed the mass limits specified in Table A.
Table A – Maximum Axle Group Limits
Axle group | Mass limit |
Twin-steer axle group with load sharing suspension | 10.5 tonnes |
Tandem axle group with 6 tyres and certified road-friendly suspension system | 14.0 tonnes |
Tandem axle group with 8 tyres and certified road-friendly suspension system | 17.0 tonnes |
Tri-axle group with dual tyres and certified road-friendly suspension system | 22.5 tonnes |
2. The operator of any heavy vehicle to which this notice applies that is fitted with a triaxle group must hold mass management accreditation.
Total Combination Mass Limits
3. A heavy vehicle to which this notice applies must not exceed a gross combination mass (GCM) of 49.5 tonnes.
Mass Limits Relating to Axle Spacing
4. A vehicle to which this notice applies must not exceed the mass limits in relation to the axle spacing distances set out in column 1 of Table B that are the mass limits set out in column 2 of Table B opposite those distances, as increased by –
a. in respect of each tandem axle group with 8 tyres and a certified road friendly suspension system within that distance – 0.5 tonne; and
b. in respect of each tandem axle group with 6 tyres and a certified road friendly suspension system within that distance – 1.0 tonne; and
c. in respect of each tri-axle group with 12 tyres and a certified road friendly suspension system within that distance – 2.5 tonnes.
Table B – Axle Spacing Mass Limits
Column 1 Distance (Metres) | Column 2 Mass Limit (tonnes) |
Exceeding | Not Exceeding |
0 | 3·7 | 23·0 |
3·7 | 3·8 | 23·5 |
3·8 | 4·0 | 24·0 |
4·0 | 4·2 | 24·5 |
4·2 | 4·3 | 25·0 |
4·3 | 4·5 | 25·5 |
4·5 | 4·7 | 26·0 |
4·7 | 4·8 | 26·5 |
4·8 | 5·0 | 27·0 |
5·2 | 5·2 | 27·5 |
5·2 | 5·3 | 28·0 |
5·3 | 5·5 | 28·5 |
5·5 | 5·7 | 29·0 |
5·7 | 5·8 | 29·5 |
5·8 | 6·0 | 30·0 |
6·0 | 6·2 | 30·5 |
6·2 | 6·3 | 31·0 |
6·3 | 6·5 | 31·5 |
6·5 | 6·7 | 32·0 |
6·7 | 6·8 | 32·5 |
6·8 | 7·0 | 33·0 |
7·0 | 7·2 | 33·5 |
7·2 | 7·3 | 34·0 |
7·3 | 7·5 | 34·5 |
7·5 | 7·7 | 35·0 |
7·8 | 8·0 | 36·0 |
8·0 | 8·2 | 36·5 |
8·2 | 8·3 | 37·0 |
8·3 | 8·5 | 37·5 |
8·5 | 8·7 | 38·0 |
8·7 | 8·8 | 38·5 |
8·8 | 9·0 | 39·0 |
9·0 | 9·2 | 39·5 |
9·2 | 9·3 | 40·0 |
9·3 | 9·5 | 40·5 |
9·5 | 9·7 | 41·0 |
9·7 | 9·8 | 41·5 |
9·8 | 10·0 | 42·0 |
10·0 | 10.2 | 42·5 |
10.2 | 10.3 | 43.0 |
10.3 | 10.5 | 43.5 |
10.5 | 10.7 | 44.0 |
10.7 | 10.8 | 44.5 |
10.8 | 11.0 | 45.0 |
11.0 | 11.2 | 45.5 |
11.2 | 11.3 | 46.0 |
11.3 | | 46.5 |