A Western Australian diesel mechanic workshop, keeping Perth's trucks, heavy vehicles, and commercial fleets running at peak performance.
Southern Diesel & Mechanical Pty Ltd was established to provide Perth's commercial transport operators with a reliable, no-nonsense diesel mechanic workshop — one that understands the demands of keeping heavy vehicles on the road, day in, day out.
Operating from the Greenwood/Warwick area (WA 6024), we specialise in diesel engine repairs, truck and trailer servicing, fleet maintenance programmes, electronic diagnostics, and heavy plant mechanical services — supporting owner-operators, logistics companies, bus fleets, and construction firms across Perth and regional Western Australia.
Our team of qualified diesel mechanics brings over 15 years of combined hands-on experience across all major truck brands, earthmoving equipment, and commercial diesel platforms.
As a registered Australian company (ABN 85 697 010 834 / ACN 697 010 834), we operate in full compliance with the Motor Vehicle Repairers Act 2003 (WA), the Road Traffic (Vehicles) Act 2012 (WA), and the Australian Consumer Law.
Book a ServiceWe exist to keep Western Australia's commercial vehicles and heavy machinery working safely and efficiently. Our mission is simple: deliver quality diesel mechanical services with honest communication, fair pricing, and fast turnaround — every time.
"A truck off the road is money lost. We treat every job with the urgency it deserves — because your livelihood depends on it."
We never cut corners. Every repair is completed to manufacturer specifications using quality parts and proven procedures.
Transparent quoting, clear progress updates, and no surprise charges. We tell you what needs fixing and why.
When we commit to a timeline, we deliver. Our workshop runs on discipline, efficiency, and respect for your schedule.
Every vehicle leaves our workshop roadworthy and safe. We follow all WA regulatory requirements and industry best practice.
Our team brings together qualified diesel mechanics, heavy vehicle specialists, and workshop professionals with decades of combined experience in the commercial transport industry.
Oversees the direction of Southern Diesel & Mechanical — from client relationships and fleet contracts through to workshop operations and business growth across WA.
Leads the workshop floor with expert knowledge of all major diesel engine platforms — Cummins, Detroit, Paccar, Hino, and CAT — ensuring every repair meets specification.
Manages fleet maintenance schedules, parts procurement, and client communications — ensuring minimal downtime and seamless service delivery for commercial operators.
Whether you're an owner-operator needing a one-off repair or a fleet manager looking for a long-term maintenance partner — let's start a conversation.