Heavy Vehicle Modifications

Border Crane Consultants is a NHVR / VicRoads approved Heavy Vehicle Modification Signatory for the Vehicle Assessment Signatory Scheme (VASS). 

BCC has been accredited for VASS inspections by VicRoads and supplies nationally recognised heavy vehicle compliance, valid in all states and territories. 

Vehicle and equipment modifications are common and must be carried out in accordance with national guidelines and meet standards for registration to ensure a minimum level of safety for drivers and passengers. This includes vehicles that are already registered and vehicles being registered for the first time. 

As an approved Accredited Vehicle Engineer (AVE), BCC can provide blue plates for the following codes:

  • A4 - Exhaust System Modification
  • G6 - Air Operated Accessories
  • H4 - Chassis Frame Alterations
  • J1 - Body Mounting
  • J3 - Fitting of Roll-Over or Falling Object Protection System
  • LH7 - Body/Chassis Variants Conversion [GVM upgrade/Lovells BTC upgrade]
  • M1 - Fuel System Alterations
  • P1 - Tow Coupling Installation – Vehicles Over 4.5 Tonne GVM
  • P2 - Fifth Wheel Kingpin Installation
  • R1 - Vehicle Mounted Lifting Systems 
  • R2 - Wheelchair Loader Installation
  • S1 - GVM/GCM Re-Rating


Examples of modifications for which an approval certificate will be required include:

  • Engine changes where the engine is not an option offered for that model by the vehicle manufacturer
  • Structural modifications e.g. truck chassis extension
  • Brake modifications (check VSI 8 - Modification Guide for acceptable modifications not requiring an approval certificate)
  • Vehicles modified to provide wheelchair access and restraint
  • Modifications or additions to heavy vehicles (check VSI 8 - Modification Guide for acceptable modifications not requiring an approval certificate)
  • Chassis replacement on a vehicle that has a separate chassis
  • Vehicle has been modified to a tow truck