Looking after the farmer & contractor

Scott Holmes Mechanical has been servicing Western Queensland for 21 years, and is based at Muckadilla. We service and repair a large range of vehicles and equipment.


Scott Holmes Mechanical offers workshop and mobile services. With our 4x4 service trucks we can travel to any site. We can service 4x4, trucks, earthmoving, agricultural & forestry equipment.

We specialise in custom air conditioning systems for mobile equipment from your 4x4’s to earthmoving equipment, and have also developed a custom-made cabin pressuriser system for heavy equipment.

Scott Holmes Mechanical offers a range of in-house mechanical services at our fully equipped Muckadilla workshop.

We can carry out electrical and electronic diagnostics for a range of equipment.

Scott Holmes Mechanical now supply a range of custom shock absorbers by Thumpa Shocks for your 4x4 or truck.

We have a large range of parts for sale, and have listed many of these on this website.

We take great pride in our work, and all repairs carry a full warranty.

Scott: 0427 477 740
Muckadilla Workshop: 0427 939 475

No travel distance too great – anywhere, anytime.




Scott Holmes is a qualified A grade automotive and diesel mechanic, with 35 years’ experience. He’s also a licensed air conditioner installer and repairer, and a member of IAME (Institute of Automotive Mechanical Engineers).

Scott’s qualifications include courses in common rail diesel by Bosch, heavy truck air brakes and ABS systems with Bendix & Caterpillar C12 – C16 engines with Hasting Deering, as well as many other courses.

As an apprentice, Scott won awards including Work Skill Australia, and RACQ Apprentice of the Year.

Scott has worked in Western Queensland for the past 25 years, and has been based in Muckadilla for 21 years.



Our Suppliers


We have the largest range of heavy equipment air conditioning and RedDOT parts in South Western Queensland carried on hand. RedDOT designs and builds mobile HVAC systems and components for a wide range of heavy-duty commercial and military vehicles.

Ultrasafe Filters

We are an Ultrasafe filter dealer and servicing centre. Ultrasafe Products is an Australian owned manufacturer of tractor chemical filters for tractor cabs and remote mounted units.

Red Arc

We are an authorised Red Arc installer. Red Arc are Australian-made automotive electronics, accessories and equipment designed to get the most out of your battery powered vehicle.

thumpa shocks
Thumpa Shocks

Custom THUMPA 4x4 and truck shock absorbers. We are an authorised dealer of custom shock absorbers by Thumpa Shocks, with ranges to suit most 4x4 vehicles, and light trucks up to prime movers. They are monotube design with a floating piston.

Southstar Logging Equipment

We provide service and parts for Southstar logging equipment. Southstar is a world-leading forestry attachment manufacturer, delivering efficient automated mechanised harvesting and processing for wood products.

Terrain Tamer
We supply and use Terrain Tamer 4x4 parts. They have been a parts supplier for the 4WD industry since 1969. We carry a range of service parts in stock.
Castrol Oils

We supply and carry a range of Castrol oils.
Castrol oils are our preferred supplier of quality lubricants for all applications.


Ashdown-Ingram are our preferred supplier of air conditioning and auto electrical parts.