Comprehensive Maintenance & Repair Solutions for Mining & Construction

We provide a full range of specialized services designed to maximize your equipment’s uptime, ensure compliance, and protect your valuable assets. From emergency response to planned maintenance, we deliver the expertise your operation requires.

Our Comprehensive Underground Mining Service Divisions

Our service division specialises in the maintenance, diagnostics, and repair of underground mining heavy equipment across both development and production operations. This includes extensive experience with underground drilling fleets, articulated dump trucks (ADTs), underground loaders, integrated tool carriers (ITs), charge rigs, and spray rigs. Our technicians are trained to work within demanding underground environments, ensuring equipment reliability, safety compliance, and optimal operational performance.

Emergency & Breakdown Response

24/7 Rapid On-Site Repair
When critical equipment fails, we provide immediate dispatch of certified technicians with mobile workshops. We perform swift diagnostics and expert field repairs to restore your production with minimum delay, prioritizing first-time fixes to prevent repeat downtime.

Preventative Maintenance Programs

Proactive Care for Maximum Uptime
Avoid unexpected failures with our customized, OEM-based maintenance schedules. We conduct regular inspections, fluid analysis, and wear monitoring to identify and address potential issues long before they impact your operation, extending equipment life.

Component Overhaul & Rebuild

Major Assembly Expertise
Our specialized workshop and field teams handle the complete repair, overhaul, or replacement of critical assemblies—including engines, transmissions, and hydraulic systems—restoring them to original manufacturer standards for reliable, long-term performance.

Advanced System Diagnostics

Solving Complex Technical Faults
We solve the problems others can’t. Using OEM-level diagnostic software and specialized tools, we perform in-depth fault-finding on modern electrical, hydraulic, and CAN-bus systems to accurately pinpoint and resolve intermittent and complex issues.

Compliance & Certification

Safety and Standards Assurance
Ensure your equipment meets all site-specific and regulatory requirements. Our services include comprehensive inspections, safety system verification, load testing, and complete documentation packages to keep your assets compliant and audit-ready.

DNM Maintenance - Service Process

Our Proven, Five-Step Service Delivery Methodology

At DNM Maintenance, consistency and transparency are the cornerstones of our work. Every single project, from an urgent field repair to a planned major overhaul, follows our disciplined, client-focused process. This systematic framework is engineered to eliminate uncertainty, ensure clear communication at every stage, and deliver a final result that guarantees not just your satisfaction, but your long-term operational confidence.

Initial Request & Assessment

Contact us via phone or our online form. We'll gather key details about your equipment, the issue, and your site to provide an initial assessment and transparent quote.

Planning & Mobilization

Our team creates a detailed work plan, schedules the right certified technicians, and mobilizes our mobile workshop with all necessary tools and parts to your location.

Execution & Communication

We execute the repair or service to strict OEM and safety standards, keeping you informed throughout the process. All work is documented for your records.

Testing & Handover

We perform rigorous operational testing, provide a comprehensive service report, and conduct a final walk-through to ensure the job meets your expectations before handover.

Follow-up & Support

Our service includes a follow-up to ensure optimal performance. We remain your partner for any future needs, from ongoing maintenance to the next emergency call.

Ready to Secure Your Equipment's Reliability?

Don’t wait for a breakdown to disrupt your project. Partner with DNM Maintenance for expert care that protects your productivity and your bottom line.