Diagnostics & Troubleshooting: Utilizing computerized testing tools, multimeters, and technical schematics to pinpoint mechanical and electrical failures.Preventive Maintenance: Executing scheduled fluid changes, part lubrications, and safety inspections to minimize heavy machinery downtime.Component Repairs: Rebuilding or replacing faulty diesel engines, transmissions, steering, and hydraulic/pneumatic systems.Record Keeping & Compliance: Documenting all repairs, ordering replacement parts, and completing detailed service reports for warranty and audit.