Modification procedures for heavy vehicles are defined by the National Code of Practice VSB6. Modifications that affect a vehicle's original compliance must be certified by recognised Engineering Signatories.
We are DOTWA recognised modification/certification signatories (Authorised Modifiers/Officers) and issue VSB6 modification plates and certificates.
We can assist in certifying the following modifications;
• Axle Installation/Removal
• Body Mounting
• Brake System Certifications
• Chassis Modifications
• Fifth Wheel or King Pin Installation
• Seating Alterations
• Suspension Substitution
• Tow Coupling Installation and Rating
• Trailer GTM and ATM Ratings
• Truck GVM and GCM Ratings
• Tyre/Rim Alterations
• Wheelbase Alterations
If you wish to have a vehicle assessed, please contact us or complete the applicable form below and submit it to us.
Semi Trailer Assessment Application Form