Earthmoving & Heavy Machinery
JT Diesel & Maintenance provides expert mechanical support for earthmoving equipment and heavy machinery across South East Queensland and regional sites. From single machines to full fleet servicing, we deliver reliable, on-site solutions that keep your operations moving.
Our mobile team is equipped to handle the demands of high-output environments including quarries, mines, civil construction, roadworks and crushing plants. We understand the urgency and complexity of earthmoving operations, and we respond with precision, speed and the right tools for the job.
Complete Onsite Servicing and Fleet Maintenance Plans
Our Earthmoving & Heavy Machinery Services Include
1.Scheduled Servicing Preventative maintenance for excavators, loaders, graders, dozers and more — tailored to OEM standards and site conditions.
2.Breakdown Repairs Rapid diagnostics and on-site repairs to minimise downtime and restore productivity.
3.Hydraulic System Support Inspection, servicing and replacement of hydraulic components including pumps, cylinders, hoses and valves.
4.Engine & Powertrain Repairs Mechanical support for diesel engines, transmissions, differentials and driveline components.
5.Electrical & Diagnostic Services Fault finding and repairs for electrical systems, sensors, control modules and lighting.
6.Fleet Maintenance Programs Ongoing servicing for multi-machine operations with detailed reporting and compliance tracking.
With fully equipped service vehicles and experienced technicians, JT Diesel & Maintenance ensures your heavy machinery stays productive, compliant and ready for work — wherever the job takes you.
Heavy machinery support, delivered on site.
Why Choose JT Diesel & Maintenance
- Field Service Specialists
We focus exclusively on on-site servicing and repairs, minimising downtime and eliminating unnecessary machine transport.
2. Mining & Quarry Experience
Real experience working on blast hole drills, heavy earthmoving equipment, and quarry plant — not guesswork.
3. Preventative Maintenance Focused
We don’t just fix breakdowns. We help prevent them through thorough inspections and proactive servicing.
4. Reliable & Responsive
Fast turnaround, clear communication, and realistic timeframes — no disappearing acts.
5. Safety Driven
Mining-standard safety awareness and work practices carried into every job, regardless of site size.
6. Straightforward Service
No upselling, no fluff. Just honest advice and quality workmanship