EXPERTS IN HEAVY-DUTY DIESEL MECHANICS
OUR SERVICES
At Cobalt Diesel Services, we minimise downtime and maximise performance through high-quality workmanship and tailored support. Explore our full range of services below.
Field Service & Breakdowns
Cobalt Diesel Services provides responsive onsite support across WA's mining and civil sectors. We specialise in rapid diagnostics and efficient repairs to minimise downtime, including emergency breakdowns in remote locations.​
Fault Diagnostics
We use advanced OEM tooling and software to deliver fast, accurate diagnostics. Whether it's electrical, hydraulic, or mechanical, CDS identifies the root cause to get machines back to work quickly and safely.​
Services & Repairs
We offer comprehensive scheduled servicing, fleet inspections, and preventative maintenance. We work alongside your maintenance planner or site supervisor to keep equipment running reliably and within compliance.
Plant Inspections / Reports
Need on-hire & off -hire plant inspections? We can attend multiple sites and provide thorough reports to help you choose the right machine for the job and keep you covered for compliance and documentation.​
Shutdown Support
We supply skilled personnel and tooling for drill and earthmoving shutdowns. From planned maintenance to urgent support, CDS can mobilise quickly to meet your shutdown timelines and production targets.​
Air Conditioning Repairs
We diagnose and repair all types of mobile air conditioning systems to keep your operators comfortable and your equipment running efficiently. Whether it's compressor issues, system faults or repair and re-gas.​
ABOUT US
Cobalt Diesel Services is a trusted Perth-based family business with over 15 years of hands-on experience in heavy-duty diesel diagnostics, maintenance, and repairs.
We proudly serve Western Australia’s mining and civil sectors, delivering precision workmanship with a sharp focus on safety, reliability, and efficiency.
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Our fully qualified field team integrates seamlessly with your existing operations to minimise downtime and keep your fleet performing at its best — wherever the worksite.
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Joshua Pate – Director
15+
Years of Experience
5,000+
Machines Serviced
215+
Satisfied Clients
26+
Industry Referrals
PARTNERED WITH
EQUIPMENT HIRE
GET IN TOUCH
Inquiries
For any inquiries, questions, or service requests, please feel free to contact us. Our team is always ready to assist you with your diesel service needs.
Call: 0427151866
