In PERTH METRO, MANDURAH, WHEATBELT, BUNBURY, and surrounding areas, we have you covered for all your diesel mechanic needs, including heavy diesel mechanic services, truck repair, and truck service.
WHAT WE DO
Scheduled Maintenance
Auto Electrical Repairs
Scheduled Maintenance
Our preventative maintenance programs are designed to reduce unplanned failures and extend equipment life. We tailor service schedules to your fleet’s workload, operating conditions, and OEM requirements, helping you maintain compliance and maximise uptime.
Mechanical Repairs
Auto Electrical Repairs
Scheduled Maintenance
Modern heavy equipment demands modern diagnostic capability. We use advanced tooling and software to identify electrical, electronic, and mechanical faults quickly and accurately. This reduces guesswork, repair time, and unnecessary parts replacement.
Auto Electrical Repairs
Auto Electrical Repairs
Air Conditioning Service and Repairs
Modern heavy equipment relies heavily on electrical and electronic systems. We diagnose and repair wiring faults, lighting issues, charging systems, sensors, control modules, and CAN‑bus related problems. Whether it’s a simple electrical fault or complex electronic troubleshooting, our technicians restore reliability and minimize downtime.
Air Conditioning Service and Repairs
Air Conditioning Service and Repairs
Reliable climate control is essential for operator comfort and safety, especially in harsh Australian conditions. We service, diagnose, and repair air‑conditioning systems across heavy mobile equipment and on‑road trucks. From compressor replacements to leak detection and re‑gassing, we ensure your HVAC systems perform efficiently and consistently in demanding environments.
Shutdown Execution & Support
Seido Mechanical provides skilled labour and technical support for planned shutdowns across mining, industrial, and processing sites. Our team assists with mechanical overhauls, component change‑outs, inspections, and critical-path tasks to keep shutdowns on schedule and compliant. We integrate seamlessly with site teams to deliver safe, efficient, and high‑quality execution
Field Service & Breakdown Support
When equipment fails on site, downtime costs money. Our mobile technicians provide rapid response breakdown support, on‑site diagnostics, and field repairs to get machinery moving again. Fully equipped service vehicles allow us to handle most repairs without the need for transport or workshop delays.
Labour Hire Services
Hydraulic System Diagnostics & Repairs
Hydraulic System Diagnostics & Repairs
Seido Mechanical supplies skilled, reliable, and site‑ready personnel to support mining, civil, construction, and industrial operations. Our labour hire team includes experienced heavy‑equipment technicians, auto electricians, shutdown specialists, and field service personnel who integrate seamlessly into your workforce. Whether you need short‑term coverage, project‑based support, or ongoing labour solutions, we provide competent professionals who uphold safety, efficiency, and high‑quality workmanship
Hydraulic System Diagnostics & Repairs
Hydraulic System Diagnostics & Repairs
Hydraulic System Diagnostics & Repairs
Hydraulic performance is critical in heavy equipment. We diagnose and repair pumps, valves, cylinders, hoses, and control systems, ensuring smooth, powerful, and leak‑free operation. From minor leaks to full system troubleshooting, we’ve got it covered.
Fleet Support & Maintenance Planning
Hydraulic System Diagnostics & Repairs
Fleet Support & Maintenance Planning
For businesses operating multiple machines or trucks, we provide structured fleet maintenance support. This includes service scheduling, condition monitoring, compliance management, and long‑term maintenance planning to keep your operation running efficiently