Certification for truck and trailer modifications including GVM/GCM upgrades.  We are a DPI (WA) authorized signatory for Industry Certificates of Modification.
If required, we can carry out inspections and provide recommendations to ensure vehicle modification procedures comply with the National Code of Practice and/or applicable Australian Design Rules.

Click here to download a Trailer Modification Assessment form

Click here to download a Heavy Vehicle GVM/GCM Rating Assessment form

Evaluation and analysis of vehicle structures and rating assessments  for chassis, towbars, drawbars etc.

Click here to download a Truck Chassis Modification Assessment form

Engineering specifications and design & fabrication drawings for converter dollies, semi trailers, rigid and hinged draw-bar pig trailers, dog trailers, etc.  Layouts of multi-unit configurations/combinations.

To find out more about Heavy Vehicle Design Services, click here.

Inspection and independent analysis for heavy vehicle related engineering reports.

We have developed & customised computer programmes - specific to heavy vehicle engineering, for example calculation of weight distribution and coupling forces, chassis strength analysis, vehicle swept paths and simulation of braking reactions.

Please contact us if you wish to know more about our Consultancy Services.