OUr Services

We provide heavy machinery maintenance and repair services delivered on-site or in our fully equipped Dubbo workshop.

Expert Repairs for Diesel Powered Plant & Equipment

When heavy equipment breaks down, productivity grinds to a halt. At Iron Earth, we specialise in fast, reliable mechanical repairs for diesel-powered machinery across mining, construction, agriculture, earthmoving, and transport sectors. Whether you’re dealing with engine issues, drivetrain faults, or just need a scheduled service, our team brings over 50 years of combined experience to every job.
We offer both workshop-based repairs in Dubbo and on-site servicing across Nyngan, Cobar, and surrounding areas — meaning less downtime and a faster return to work.

What We Repair

We’re equipped to handle a wide range of mechanical issues on all types of heavy plant and machinery.
  • Diesel Engine Diagnostics & Repairs
    Fault finding, engine rebuilds, turbo replacements, fuel system repairs, injectors, and more.
  • Drivetrain & Powertrain Components
    Transmission repairs, differentials, axles, and transfer cases.
  • Cooling Systems
    Radiators, water pumps, thermostats, and overheating issues.
  • Suspension & Undercarriage Components
    Bushings, pins, track gear, idlers, and rollers.
  • Scheduled Preventative Maintenance
    Oil and filter changes, full system inspections, and logbook servicing.

Our Capabilities

We’re equipped to handle a wide range of mechanical issues on all types of heavy plant and machinery.
  • Fully equipped Dubbo workshop
  • Mobile units with tools, diagnostic gear & consumables
  • Servicing CAT, Komatsu, Hitachi, Volvo, John Deere, and more
  • Fast turnaround and detailed service reporting
  • Work backed by experienced tradespeople and industry knowledge

Specialist Electrical Repairs for Heavy Equipment

Modern machinery relies on complex electrical systems — and when they fail, everything stops. At Iron Earth, we provide expert auto electrical repairs for heavy equipment used in mining, construction, agriculture, transport, and earthmoving.
From simple faults to full rewiring jobs, our technicians are equipped to diagnose and fix electrical issues fast — on-site or in our Dubbo workshop.

What We Repair

We handle a full range of auto electrical issues across all major machinery brands.
  • Diagnostics & Fault Finding
    Using modern testing tools to quickly locate faults in wiring, sensors, and control units.
  • Starter Motors & Alternators
    Repairs, replacements, and system testing to restore cranking and charging functions.
  • Battery Systems & Wiring
    Installation, cable replacement, isolators, fuses, and battery management setups.
  • Lighting Systems
    LED upgrades, work lights, indicators, emergency lighting, and fault repairs.
  • CAN Bus & Control Modules
    Troubleshooting and repair of digital control systems found in newer machines.
  • Air Conditioning Wiring & Controls
    Electrical diagnostics for A/C systems, including controls, relays, and fans.

Our Capabilities

We combine experience with the right tools and gear to get your electrical systems sorted quickly and properly — in the workshop or on-site.
  • Mobile service vehicles with diagnostic tools and parts
  • Battery system setups and dual battery installs
  • CAN Bus and ECU testing on modern machines
  • Air conditioning electrical diagnostics and repair
  • Lighting system installs and troubleshooting

Welding & Fabrication Services Built for Tough Jobs

At Iron Earth, we offer professional boilermaking and fabrication services tailored to the demands of heavy machinery and industrial environments. Whether you’re dealing with worn-out attachments, cracked frames, or need custom structural work, our team delivers strong, reliable repairs that hold up in the field.
From in-house welding at our Dubbo workshop to mobile fabrication jobs on-site across Nyngan, Cobar, and the surrounding region — we’re ready to get it done.

What We Do

We handle a wide range of boilermaking and metal fabrication tasks across construction, mining, ag and transport sectors.
  • Crack Repairs & Structural Welding
    Professional welding to repair buckets, arms, chassis, guards, hitches, and more.
  • Wear Plate Installation & Hard-Facing
    Reinforce high-wear areas to extend the life of your equipment.
  • Custom Metal Fabrication
    Frames, brackets, guards, toolboxes, steps, access platforms — built to suit your specs.
  • Modifications & Retrofits
    Add or alter features on existing equipment to meet operational needs or safety standards.
  • On-Site Welding
    Fully mobile welding rigs for urgent repairs or when moving equipment isn’t an option.

Our Capabilities

Our Dubbo workshop is fully set up for structural welding, custom builds and large component repairs. For field jobs, our mobile boilermaking unit is fully equipped and ready to work onsite — no matter how remote.
  • MIG, TIG, Stick & Flux-Core Welding
  • Structural steel & heavy plate fabrication
  • High-wear reinforcement & hard-facing
  • Precision cutting and fit-up
  • Mobile welding across regional NSW
  • Experience with buckets, guards, frames, hitches, toolboxes & more

Reliable Hydraulic Repairs to Keep Your Equipment Moving

Hydraulic systems are critical to the performance of heavy machinery — and when something fails, it can shut the whole operation down. At Iron Earth, we provide professional hydraulic repairs, servicing, and fault diagnosis for all types of plant and equipment.
Whether it’s a leaking hose, a blown seal, or a full system issue, our team works fast to identify the fault and get your machinery back in action. We offer both workshop-based and fully mobile hydraulic repairs across Dubbo, Nyngan, Cobar, and surrounding areas.

What We Do

We repair, maintain and replace a wide range of hydraulic components.
  • Hydraulic Hose Repairs & Replacements
    On-site hose servicing and replacements using quality, pressure-rated components.
  • Seal & O-Ring Replacement
    Fixing leaks and restoring function on cylinders, valves, pumps, and fittings.
  • Fault Diagnosis & Pressure Testing
    Identifying issues such as low pressure, overheating, and fluid loss using reliable testing methods.
  • Hydraulic Cylinder Repairs
    Strip-downs, reseals, rebuilds, and testing for cylinders of all sizes.
  • System Servicing & Preventative Maintenance
    Fluid checks, filter replacements, leak inspections, and performance optimisation.

Our Capabilities

Hydraulics are precise — and we’ve spent years working with them in high-pressure environments. We know what fails, why it fails, and how to fix it properly.
  • Mobile hydraulic hose service
  • Cylinder rebuilds & reseals
  • On-site fault finding & pressure testing
  • Hydraulic pump & valve servicing
  • Full system diagnostics & leak tracing
  • Servicing all major makes & models
  • Workshop and field repair options available

Why Choose Iron Earth?

Real Industry Experience

With over 50 years of combined experience in heavy mechanical repairs, we understand the pressures of working in mining, construction, ag, and transport. We know what’s critical, what can wait, and how to get you back on track without wasting time.

Mobile or Workshop

Whether you need a quick fix onsite or a major repair in our Dubbo workshop, we’re set up to handle it. Our mobile units are fully equipped with diagnostic tools, spare parts, and the right gear to work in the field — so you’re not stuck waiting for a tow or a return visit.

Quality You Can Rely On

We don’t cut corners. Every repair we do is backed by proper testing, clear communication, and detailed service reports. We use quality parts, proven techniques, and practical know-how to make sure the job gets done properly — first time.

Frequently Asked Questions

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