Heavy Vehicle Certifications

1.0 Pursuant to the Transport Operations (Road Use Management) Act 1995

1.1 The National code of Practice for Heavy Vehicle Modifications establishes common technical standards for use throughout Australia. Administration responsibilities for type certification and registration remains with the Federal and State/Territory for use throughout Australia.

1.2 The Heavy Vehicle Certification codes include design, manufacture, sale, maintenance, modification or repair of motor vehicles and trailers. (Heavy Vehicles greater than 4.5 tonne) (Trailers greater than 750 kilograms.)

1.3 Heavy Vehicle Certification inspectors have an Approved Person to certify :

1.3.1 Heavy Vehicles greater than 4.5t

1.3.2 Trailers greater than 750 kilograms.

1.4 Table of Heavy Motor Vehicles Modification Code summary: (The Heavy Vehicles certification includes vans.)

A1

A2

A3

A4

A5

B1

C1

D1

D2

E1

E2

E3

F1

F2

G1

G2

G3

G4

G5

G6

G7

G8

H1

H2

H3

H4

H5

J1

K1

K2

K3

K5

M1

P1

P2

Q1

R1

S1

S2

S3

S7

S8

S9

S11

S12

T1

T2

 

 

 

1.5 Table of Heavy Vehicle Department of Transport and Main Roads Modification Code Descriptions

Code

Heavy Vehicle Modification

A1

Engine Substitution

A2

Air Cleaner substitution or Additional Fitment

A3

Turbo charger Installation

A4

Exhaust System Alterations

A5

Road Speed Limiter Installation

B1

Transmission Substitution or Additional fitment

C1

Tail-shaft Alterations

D1

Rear Axle/s Installation

D2

Differential Substitution

E1

Front Axle Installation

E2

Steering System Alteration

F1

Suspension Substitution

F2

Trailer Suspension Modification

G1

Air Brake System – Repositioning of Controls, Valves & Pipe-work

G2

Fitting of Trailer Brake

G3

Trailer Brake System Upgrading

G4

Brake System Substitution

G5

Auxiliary Brake Inspection

G6

Air Operated Accessories

G7

Brake System Substitution

G8

Trailer Brake System Upgrade

H1

Wheelbase Reduction greater than 1st Manufacturer’s Option

H2

Wheelbase Reduction less than 1st Manufacturer’s Option

H3

Wheelbase Extension or Reduction within  1st Manufacturer’s Option

H4

Chassis Frame Alteration other than Change in Wheelbase

H5

Trailer Chassis Frame Modification

J1

Mounting of Body – Vehicles greater than 4.5 t GVM

K1

Seating Capacity alteration & Seatbelt Alteration

K2

Seatbelt Anchorage Certification

K3

Cabin Conversions

K5

Wheelchair Restraint Installation

K6

Child Restraint Installation

M1

Fuel Tank Repositioning & Additional Fittings

P1

Tow Coupling Installation Vehicle greater than 4.5 t GVM

P2

Fifth wheel & King Pin Installation

Q1

Truck Mounted Crane Installation 1.0 – 10 metre tonne capacity

R1

Goods Loading Device Installation

S1

Gross Vehicle Mass Rating within Manufacturer’s Specification

S2

Gross Vehicle Mass Rating for Non-Standard Vehicles

S3

Gross Combination Mass Rating

S7

Aggregate Trailer Mass Rating

S8

Road Train Prime Mover Rating

S9

B-double Rating

T1

Construction of Tow Trucks

T2

Design of Tow Trucks

Authorised Officer Approval for Vehicle Modification - Certification Procedure

Upon request to approve a modification the following procedure is followed:

1. Modified Vehicles The vehicle is to be inspected to ensure that the modifications have been completed in accordance with the original vehicle manufacturer’s recommendations or the Code of Practice. The authorised officer must also be satisfied that the vehicle when modified still complies with all Australian Design Rules to which it was originally manufactured.

2. Vehicle Certification Where any certification procedures are to be performed the authorised officer, REPQ engineer must satisfy himself that the vehicle meets all of the regulatory modification code checklist requirements.

3. Vehicles should be presented for inspection in a roadworthy condition. There is NO obligation to approve a modification to any vehicle if it is not in a roadworthy condition.

4. A Modification Plate is affixed in a conspicuous position preferably adjacent to vehicle’s compliance plate or prior to 1 January adjacent to the manufacturer’s plate, stamped or engraved with all relevant details. Modifications plates are to be left affixed to the vehicle.

5. All fees are to be paid prior to Inspection and is a requirement of the inspection. Without clear funds paid in full to our account the certification is not valid.

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