Heavy Vehicle Modifications

Omega Vehicle Engineering is an Authorized Heavy Vehicle Modifier and Authorized Heavy Vehicle Officer in WA. This means that our engineers can sign off modifications pertaining to the following VSB6 modification codes:

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A1 - Engine substitution
A2 - Air cleaner substitution or additional fitting
A3 - Turbocharger installation
A4 - Exhaust system alteration
B1 - Transmission substitution or additional fitting
C1 - Tail shaft alterations
D1 - Rear axle installation
D2 - Differential substitution
D3 - Fitting of non-standard rear wheel components
E1 - Front axle installation
E2 - Steering alteration
E3 - Fitting of non-standard front wheel components
F1 - Suspension substitution
F2 - Trailer suspension modifications
G1 - Relocation of air brake components
G2 - Installation of trailer braking controls
G3 - Trailer brake system upgrade
G6 - Fitting of air operated accessoriesG7 - Brake system substitution / wheelbase extension
G8 - Trailer brake system upgrade (design)
H1 - Wheelbase extension outside OEM options
H2 - Wheelbase reduction outside OEM options
H3 - Wheelbase alterations within OEM options
H4 - Chassis alteration
J1 - Body mounting
J2 - Fitting of truck-bus body (design)
J3 - Fitting of roll-over or falling object protection system (design)
J4 - Tipper Bodies (design)
K1 - Seating capacity alteration, seat, seatbelt and anchorage installation
K2 - Certification of seat and of seatbelt anchorage
K3 - Cabin conversion
M1 - Fuel system alterations
P1 - Towbar and coupling installation other than fifth wheels and kingpins
P2 - Fifth wheel and kingpin installation
R1 - Installation of vehicle mounted lifting systems
R2 - Wheelchair loader installation
S1 - GVM/GCM re-rating
S2 - GVM re-rating (design)
S3 - GCM re-rating (design)
S7 - ATM/GTM re-rating
S11 - Road train trailer rating
S12 - ATM/GTM re-rating (design)
T1 - Tow trucks (construction)
T2 - Tow trucks (design)

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Much of this work is completed out of Perth and Darwin (where Omega has fixed workshops).

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​Please get in touch with Omega to find out more.

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Out most popular requests are for heavy vehicle upgrades:

 - GVM Upgrades to Silverado - 2500 (5.8T), F350 (5.95T), RAMs and now Tundras.

Costs for these services start form $3,990.