Keeping Your Fleet
Where It Belongs

We're heavy diesel and commercial vehicle specialists: trucks, trailers, prime movers and plant. From engine overhauls and driveline work to clutch, brake and exhaust repairs, we've looked after heavy vehicles across the South West since 1986, on all makes and models.

Yes. Our mobile diesel mechanics come to you, whether that's your depot, a farm, a job site, or the roadside, anywhere from Bunbury to Augusta. Where we can, we diagnose and repair on the spot so there's no need for a tow.

Yes. Naturaliste Diesel Services is a team of heavy diesel mechanics based in Busselton, WA, specialising in trucks, trailers, prime movers, plant and commercial vehicles since 1986. We work on all makes and models, in the workshop or on-site through our mobile field units.

We offer 24/7 breakdown support across the South West. When a unit goes down there's one number to call, and we prioritise a fast response to get you back moving. Response times vary with distance, but keeping your downtime short is the whole point.

Our workshop is in Busselton and we service the wider South West, from Bunbury through to Augusta, including Dunsborough, Margaret River, Nannup, Collie and Manjimup. Bring your vehicle to us, or we'll come to you.

Yes. As a DTMI authorised inspection station with Main Roads accreditations, we inspect heavy vehicles, identify and rectify defects, and provide the documentation you need to keep them road-legal and audit-ready.

Absolutely. We build scheduled servicing and preventative maintenance programs around your routes and workload, with clear per-unit records, whether you run a couple of trucks or a large fleet. Consistent servicing is how we keep your vehicles where they belong: on the road.