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Our Services
You don’t have time for breakdowns.
We keep your diesel gear running clean, safe, and strong — whether it’s a ute, truck, or heavy machinery.
Fleet Servicing
Minimise downtime with scheduled mobile servicing that keeps your whole crew moving without the workshop runaround.
Breakdown Repair
Stuck onsite or roadside? We come to you fast, with the tools and experience to sort it properly — first go.
Diagnostics & Fault Finding
Something’s not right? We’ll plug in, test it, and get to the bottom of the issue without guesswork.

Proudly Local. Built on Grit.
At Gladdy’s Diesel Contracting, we’re a local, family-run business born and raised in the Territory. We’ve been working on diesel engines for over 17 years and know what it takes to keep them going strong.
We help keep fleets, trucks, and 4WDs running through some of the toughest parts of the NT. Whether you’re in Darwin or way off the bitumen, you’ll get honest service, solid skills, and a team that shows up ready to work.
Our goal is simple — to keep your gear moving so your job doesn’t stop. That’s what we do every single day.

We fix it right — first time, every time.
When your vehicle breaks down, it’s more than just a hassle — it can slow down your whole job. You need it fixed fast, and you need it fixed properly.
At Gladdy’s Diesel, we don’t cut corners. We turn up on time, find the real problem, and fix it right the first time. Some cheaper mechanics might seem like a good deal, but they often rush the job or miss what’s really wrong. That means more breakdowns, more time off the road, and more stress.
We believe in doing things properly so you can get back to work and stay there. No dramas, no surprises — just solid work from a team you can count on.






