We are the best in service when it comes to engine maintenance and diesel repairs in Bayswater, Victoria. Repairing heavy duty diesel engines is our specialty, but we don’t just stop at that. From industrial vehicles, farm trucks to your personal RV – our repair and maintenance services are tailor-made to suit your needs, requirements and budget.

Whether you are looking for minor repair or need complete part replacements – we can handle it all. Our workshop is fully equipped with hitech tools and specialised equipment that can cater to not just diesel engine repairs but also maintenance of clutches, brakes, rear end, transmission etc.

    Our comprehensive list of services includes:

  • Servicing, repair and maintenance of new and rebuilt diesel engines of all makes and models including assembly, exchange, short-built engines etc.
  • In-chassis and out of chassis overhauls
  • Complete diagnostic services
  • Component rebuilding
  • Cylinder head testing
  • Custom rebuilding and repair of common rail pumps
  • Engine dyno and chassis dyno testing and servicing
  • Removal and refitting of diesel fuel injection equipment
  • Servicing of generator equipment

Apart from engine repair, we also have a wide variety of custom built engines as well as new and used replacement parts in stock.

Contact us now for comprehensive services for your heavy duty vehicle. We also offer field services on the road and pick up your vehicle to cut down the hassle to bare minimum.

You won’t be disappointed by our high level of quality services and our unmatched cost-effective rates.


All vehicles require a  roadworthy certificate to be eligble for use on all Australian Roads, It’s Law.

A Roadworthy Certificate is required when a vehicle is sold or if a used vehicle is to be re-registered.
Vehicles issued with Vehicle Defect Notice
also require a Roadworthy Certificate remove the defect notice.

What Big Rig Diesel Repairs inspects

  • Chassis
  • Engine
  • Tyres and wheels
  • Steering
  • Suspension
  • Brakes
  • Seats and Seatbelts
  • Lights
  • Reflectors
  • Windscreen
  • Windows, also front wipers and washers
  • Overall vehicle structure


Big Rig Diesel Repairs is a Large licenced Vic Roads endorsed roadworthy tester

Our focus for roadworthy certificates is for the following types of vehicles.

  • Roadworthy for trucks
  • Roadworthy for light commercial vehicles
  • Roadworthy for buses
  • Roadworthy for RV’s / motor homes