Logbook servicing, pre-purchase inspections, compliance work, and full mechanical repairs for trucks and trailers, from owner-operators to multi-vehicle transport fleets across the Fraser Coast.
Or call us now: 07 4763 0287
Core Diesel is the authorised service agent for Mack, UD, and Volvo in the Wide Bay region, and one of the Fraser Coast's most trusted workshops for all makes of heavy trucks and trailers. Whether you're an owner-operator keeping one prime mover on the road or a transport fleet manager scheduling multiple vehicles, we keep your trucks and trailers compliant, safe, and running.
From routine logbook servicing and brake compliance to major engine work and roadworthy inspections, everything is done in-house by experienced diesel technicians with the right tools for the job. 24/7 mobile support is available for roadside breakdowns anywhere on the Fraser Coast.
We're the authorised Mack, UD, and Volvo service agent for the Wide Bay region. Warranty-safe servicing, manufacturer-specification work, and full documentation included.
We have the only NHVR-approved Brake Shaker Test Unit in the Fraser Coast region, saving operators the trip to Bundaberg for heavy vehicle brake certification.
Beyond our authorised brands, we service all major truck manufacturers: Isuzu, Kenworth, Hino, Mercedes-Benz, Scania, Man, and more. One workshop for your whole fleet.
We don't send trailer work elsewhere. Axle, suspension, brake, coupling, and electrical repairs are all handled by our technicians in our fully-equipped workshop.
Roadside breakdowns don't wait for business hours. Our mobile service vans respond day and night anywhere on the Fraser Coast.
Tell us about your truck or trailer, what it needs, and when you need it done. We'll confirm availability and get you scheduled with minimum downtime.
We inspect the vehicle, identify the fault or service requirements, and provide a clear quote before starting work. Video documentation throughout.
Repairs completed to manufacturer spec with full service records provided. We'll flag anything else we find so you can make an informed decision, no pressure.
We service all major truck brands: Kenworth, Isuzu, Hino, Scania, Mercedes-Benz, Man, and others, in addition to our authorised brands (Mack, UD, Volvo). We have the diagnostic tools and experience for most makes and models on Australian roads.
Yes. We carry out pre-registration inspections and can advise on what's needed to bring a vehicle up to roadworthy standard. Contact us to book.
Yes. We handle trailer axle, suspension, brake, coupling, and electrical repairs in-house. If you run a B-double or road train configuration, bring everything in together.
As authorised agents for Mack, UD, and Volvo, our work is warranty-safe for those brands. For other manufacturers, we service to manufacturer specification using approved parts, which protects your warranty under Australian consumer law.
Yes. Mobile attendance is available 24/7 for roadside breakdowns. Workshop customers with urgent needs are prioritised wherever possible. Call us and we'll tell you where we can fit you.



Core Diesel has been the Fraser Coast's go-to diesel workshop for over a decade. From logbook servicing and major engine rebuilds to ECU remapping and 24/7 mobile callouts, our team of experienced diesel technicians handles it all in-house, using the latest diagnostic tools and equipment, with a commitment to straight-talking service and zero unnecessary upselling.
The only workshop in the Fraser Coast region with an NHVR-approved Brake Shaker Test Unit, a legal requirement for heavy vehicle certification.
Deep knowledge of RAM, Silverado, and F-150 mechanics, rare outside capital cities. Parts sourced, issues diagnosed, jobs done properly.
Every job is documented with photos and video reports so you know exactly what was found and what was done.
All repairs are backed by our workmanship warranty. No hidden costs, no unnecessary work recommended.
"Took my 4WD to these guys when no one else could diagnose and fix it. Issue was found and fixed that day. These guys were recommended by a friend. Couldn't be happier."
Clinton Davis"Video progress the whole service and constant communication so you know what's going on. Seems like a bunch of genuine blokes who love working on cars."
Jordan Francis"Core Diesel have our entire fleet of trucks prioritised and professionally serviced. Always good advice on keeping things in tip-top shape."
Brett LukeOur team will confirm your booking within the hour during business hours. Mon–Thu 7am–4pm, Fri 7am–2pm.