Key Mechanical Services
Specialising in Mining Maintenance, Civil and Marine Repairs across Western Australia
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Our Services
Mining
Civil
Marine
Our Products
No Gap Wrap
NO GAP WRAP is a gap-free spiral hose wrap to protect hydraulic looms on jumbos, drills, and mobile gear. Made from recycled material, NO GAP WRAP is available in 4 sizes – 55mm, 70mm, 90mm and 120mm
Hydra Shield
HYDRA SHIELD provides heavy-duty protection for hydraulic hoses, reducing wear and damage in harsh operating environments. Durable, reliable, and built for Australian mines
DIFMA
Dual Input Flow Meter Assembly—a precision-engineered solution for accurate flow measurement and monitoring of your mobile plant and heavy equipment
Perth Heavy Diesel Equipment Mechanics
Don't leave your heavy equipment repairs to anyone. Let Key Mechanical Services look after you. With extensive experience in Mobile Plant, Heavy Diesel Fitting and Diagnostics your equipment is in great hands.
Perth based Heavy Diesel Mechanics
Key Mechanical Services pride themselves on providing top notch heavy diesel fitting services in Perth and surrounds. With a dedicated team of diesel mechanics proficient in hydraulic repairs and diagnostics rest assured your heavy equipment will be up and running in no time.
If you find yourself needing a professional, reliable and trusted diesel mechanic that can provide support to your earthmoving and civil equipment, call Key Mechanical Services. Their rapid response will ensure your heavy machinery experiences minimal downtime
Why Choose KMS?
Expert Repairs & Maintenance
Trusted by Australian mining companies for mobile maintenance support
Warranty Management
We handle warranty repairs in-house, meeting manufacturer standards and simplifying the process for you.
Quick Turnaround Times
Fast, reliable service to keep your equipment on the job.
Safety First
Committed to delivering safe and compliant repairs every time.
At Key Mechanical Services, we specialise in maintenance and repairs for drills, small machinery, and heavy earthmoving equipment—keeping your operations running smoothly and efficiently.
With years of expertise in diesel engines, hydraulic systems, and drilling machinery, we deliver quality service you can trust. From routine maintenance to emergency repairs, our skilled team is ready to minimize downtime and maximize performance.
What Drives Us
Reliability
Committed to delivering dependable service you can trust—every time.
Expertise
Backed by years of hands-on experience in diesel engines, hydraulics, and drilling machinery.
Efficiency
Focused on fast turnarounds and minimizing downtime to keep operations running smoothly.
Quality & Safety
High-quality repairs that meet manufacturer standards without compromising on safety.
Partnership
More than just service providers—we’re dedicated partners in your business success.