Logbook Servicing

At MM Diesels we are proud to offer customers diesel truck and heavy vehicle logbook inspections. This comprehensive service ensures that operators of heavy vehicles and diesel trucks remain protected during the warranty period and should problems arise, they will not be out of pocket for any repairs or suffer from having their vehicle off the road.

All vehicles booked in at our workshop for logbook servicing are given a comprehensive inspection which includes checking fluid levels, belts and hoses, clutch and transmission, steering column, brakes and so much more.

To book your heavy vehicle or truck in for logbook servicing in at MM Diesels, or for more information regarding our range of mechanical services, please call us today.

Contact us today!


Don’t take the risk when purchasing a second-hand truck, heavy vehicle or long-haul road transporter. At MM Diesels, we strongly recommend that a thorough mechanical inspection take place and be performed by an accredited and independent mechanic.  

For complete peace of mind, MM Diesels are proud to offer customers a wide range of inspection services, which include the following services at our modern workshop:

  • Pre-purchase inspections
  • Pre-trip inspections
  • Modification plates
  • Roadworthy certificates

For more information or to make a booking, please use our online contact form or call us today.

Contact us today!


When transporting freight long-haul, driving a heavy vehicle rig or work truck, stopping power is vitally important. At MM Diesel, our mechanics are highly skilled in diagnosing and repairing the most common of heavy vehicle brake faults and can provide solutions in an efficient and knowledgeable manner.

If you suspect that your vehicle’s brakes are not working as they should, the team at MM Diesel will inspect, diagnose, repair or replace the parts at fault. This service also includes component replacement (pads, rotors, drums, etc.), hoses and restorations.

For all booking inquiries or for further information, please contact our team today.

Contact us today!

Steering and Suspension

Being in control of your heavy vehicle or truck, at all times, is incredibly important and this means the vehicle’s steering and suspension system must be working exactly as designed by the manufacturer.

However, due to the workload that is placed upon large trucks, big rigs and heavy vehicles, issues in the steering and suspension system can begin to develop. This is where the importance of regular preventative maintenance comes into play and is a service that MM Diesel are skilled at providing.

At our fully-equipped workshop in Ballan, we provide a comprehensive range of steering and suspension services which includes, but is not limited to the following:

  • Inspection of shocks and springs
  • Wheel balancing
  • Bushing replacement
  • Power steering repairs and replacement
  • Lift kits and 4wd upgrades.

For all heavy vehicle bookings or for inquiries, please contact our team today.

Contact us today!

Clutches and Transmissions

When driving a diesel truck or heavy vehicle, the clutch and transmission system has been specifically designed for the unique conditions that operators put their vehicles through. This includes long distances hauling heavy loads, difficult driving environments and road conditions.

Here at MM Diesel, our team of mechanics have a wealth of hands on experience and knowledge and can assist customers with a comprehensive range of services, including but not limited to:

  • Transmission servicing
  • Repairs and replacement
  • Manual transmissions
  • Heavy automatic transmissions
  • Differentials and CV Joints

For additional information or for bookings, please call our expert team today.

Contact us today!

Engine Repairs

MM Diesel understands the importance of an efficiently running engine and can assist truck operators with minor, major and preventative engine repairs. Our comprehensive range of engine services includes, but is not limited to:

  • Engine rebuilds, reconditioning and upgrades
  • Engine testing
  • Engine blocks
  • Cylinder heads
  • EFI diagnostics
  • Camshaft

For more information regarding our range of heavy truck and diesel engine services, please use our online contact form or call us today.

Contact us today!

Cooling System

Diesel engines produce a large amount of heat as they convert fuel to power which in turn is directed down to the wheels of trucks, big rigs and heavy vehicles. However, the heat generated by the engine block needs to be kept in check and it’s the cooling system that is tasked with this vital role.

Cooling system performance is critical when it comes to reliable and safe vehicle operation. Here at MM Diesel, our skilled mechanics have a wealth of experience and heavy vehicle knowledge, which directly benefits heavy vehicle operators.

To schedule a cooling system inspection or preventive maintenance, please call us today.

Contact us today!

Auto Electrical

The auto electrical system in trucks and heavy vehicles is highly technical in nature and requires sophisticated diagnostic tools to assist with error detection and problem solving.

At MM Diesel, our skilled team of mechanics are the experts when it comes to solving the most frequent of diagnostic errors and for providing auto mechanical solutions. Through using the latest in scan tools technology, we can assist with the following auto electrical services, including, but not limited to:

Auto electrical troubleshooting, LED light replacement, battery testing and replacement, reversing cameras, GPS and trailer lights repairs.

For all heavy vehicle or truck bookings, please call our team today.

Contact us today!

Other Mechanical Services

  • Air conditioning
  • Windscreens
  • Towing
  • Agricultural equipment
  • Trailers
Contact us today!

Call Us On: 0448 662 920