drill rig maintenance professionals

Precision Diesel & Hydraulics is a premier mobile field service provider specializing in comprehensive maintenance and engineering solutions for the mining, quarry, agricultural, and industrial sectors. We deliver expert diesel, hydraulic, and electrical diagnostics alongside full equipment component rebuilds in our Paget workshop —including hydraulics, lubrication, and mechanical systems.

Featured Products

Reduce your total maintenance cost with these products. These are high quality direct equivalents to OEM and are stocked in our Mackay workshop. We aim to deliver the best online pricing available but should you find these products cheaper then please make contact with us to discuss this.

TURCK 18mm Inductive Proximity Sensor
Sale Price: $280.43 Original Price: $492.23

TURCK BI7-M18E-AD4X-H1141, EPIROC 2657926669

GRACO GL-1 Grease Injector
Sale Price: $151.20 Original Price: $189.00

GRACO GLl-1 114909

High volume output at high pressures for the most demanding applications

  • The GL-1 injectors are offered both as a stand-alone and a replacement injector for manifold systems for easy customization to a variety of applications

  • Includes an adjustable hex head nut to make adjusting the output simple

  • No vent holes and fully enclosed press fittings to prevent leaking lubricant

  • Convenient top-mounted cycle pin indicator for quick confirmation that the injector is functioning properly

  • Rugged, single piece uni-body design built for the harshest environments

Also equivalent to LINCOLN SL1 81713

SKU: 114909

The full package for equipment maintenance

Precision Diesel & Hydraulics offers a comprehensive maintenance solutions by integrating on-site mobile field service labor with expert off-site component rebuilds and overhauls. Our experienced field service personnel minimize downtime, performing critical diagnostics and repairs directly at your site.

For component rebuild & overhaul, our facility specializes in depth mechanical and hydraulic overhauls to OEM standards. We also drive operational efficiency through custom system upgrades based around your requirements. We can design, manufacture, and supply hydraulic solutions and retrofit parts where original are no longer available. From emergency mobile repairs to advanced component manufacturing, we provide the full lifecycle package to keep your heavy equipment performing at peak capacity.

  • Trade qualified fitters who specialise in the scheduled and breakdown maintenance of blast hole and exploration drill rigs while also maintaining versatility putting their skills to work on the entire range of mining equipment. We supply fitters for crew positions and also “On Call” for mobile breakdown maintenance. Our team have worked on all brands of mining equipment including Epiroc, Sandvik, CAT, Komatsu, Hitachi & Liebherr. This includes but is not limited to drills, excavators/diggers, off highway dump trucks, bulldozers, graders and loaders.

  • Within our Paget workshop we are equipped to reduce the overall cost of your component rebuilds & overhauls to help you meet your budget. Whether it is scheduled maintenance completed on hours or a breakdown needing urgent repairs to get your equipment working again, we are interested in helping you. This includes but is not limited to services on hydraulic cylinders, valves, pumps and motors. Also gearboxes, pump drive boxes, final drives, rotary heads, lubrication pumps and much more.

  • Many OEMs design their systems or components to cost a fortune by using custom made components not readily available. We are able to redesign specific components to be an off the shelf option to increase availability and decrease cost. Similarly should a component be no longer available for purchase and a new product is required to be adapted then we can source, supply and install these. We can source and supply products from a range of manufacturers including but not limited to GRACO, Alemlube, CROSS Hydraulics, Turck, IFM, Parker Denison, Rexroth and Danfoss.

Commercial building with signage for Precision Diesel and Hydraulics, located at 3/31 Iridium Drive, featuring a large digital billboard advertising diesel and hydraulic services, with a glass door entrance and parking area in front.

Our history

Precision Diesel & Hydraulics is owned and directed by Lachlan Brand and Kayden Zecchinati to deliver specialised maintenance and hydraulic solutions to the mining and drilling sectors. Lachlan commenced his career with an apprenticeship at Hastings Deering and has since accumulated extensive experience across civil earthmoving, exploration drilling, fixed and mobile plant hydraulics, and then worked on his expertise in blasthole drilling maintenance. We have held supervisory positions on major mine sites, overseeing maintenance and workforce management. Kayden completed his apprenticeship with Custom Fluid Power, developing over 11 years of specialised hydraulic experience, including the involvement in design and manufacture of underground bolting platforms. He advanced to Field Service Supervisor within Custom and since joining Precision, has gained years of direct involvement in drill maintenance including as a mine site supervisor.

Precision Diesel & Hydraulics employs a team of highly trained fitters who specialise in hydraulics, engine and power transmission component rebuilds, and the maintenance of an extensive range of drills across exploration, blasthole, and oil and gas operations. The substantial experience of our workforce has brought forward our entire team’s background with their high standard for quality and to ensure the work achieved is maximised to keep your equipment operating. Our expertise and commitment to quality enable it to provide reliable, cost-effective, and performance-driven solutions to our clients. 

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