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Australian Regional Heavy Diesel Services

Who we are?

ARH Diesel Services are qualified diesel mechanics providing heavy-duty plant and equipment maintenance and mechanical support across Western Australia.

Specialising in earth moving rebuilds, repairs and maintenance, ARH provide onsite field servicing and emergency call-out repairs.

Delivering specialised mechanical and fitter services, ARH Diesel services are based in the Perth metropolitan area and regularly travel to regional towns and remote sites. Regardless of your location, we’re willing to assist.



From materials to workmanship, we deliver an unsurpassed level of quality and have the highest level of attention to detail.


Heavy equipment service and repairs from knowledgeable and experienced diesel mechanics. We problem solve the toughest breakdowns and diagnose core problems to offer the best solution.


Planned and unplanned servicing requirements to keep your machinery and business running smoothly is our speciality. We can manage maintenance schedules and keep track of your fleet.


Need assistance onsite ASAP? Call our 24/7 emergency repair hotline and get the immediate service you need onsite fast.


Premium Quality

From materials to workmanship, we deliver an unsurpassed level of quality and have the highest level of attention to detail.


Customer Service

Guaranteed hands-on, personal customer service from our dedicated team. Onsite or in the office, we deliver results on schedule.


Integrity & Trust

Honest and reliable, it’s why our team continues to be recommended, time and time again. We earn trust and strive to exceed agreed outcomes.


Safety & Environment

Committed to best-practice safety procedures we’re accountable and proactive. Environmentally conscious we also leave sites better than when we arrived.


Owned and operated by qualified heavy machinery expert Tristan Steele,
he personally ensures ARH Diesel Services delivers above and beyond client expectations.

Proudly providing quality, reliable, and safe workmanship on every job, the majority of ARH Diesel Services clients are referrals from current clients and industry contacts.

For professional diesel mechanic services by dedicated, qualified and easy to work with mechanics, call Tristan for further service information and upcoming scheduling.

Major Brands We Service

Whether you’re after general servicing or major engine rebuilds, we work on all major heavy machinery brands along with a range of loaders, graders, dump trucks, excavators, bobcats, trucks, trailers, compactors, and dozers.

What’s our difference?

ARH Diesel Services aims to progressively move you from reactive repairs to more preventative and predictive repairs. Being smart in managing your mechanical requirements with a regular maintenance schedule will save you time and money, reducing machinery downtime and onsite complications.


The costliest and least profitable approach to maintenance. We service your machines fixing faults and failures after they’re occurred.


Pre-planned services scheduled around the manufacture’s recommendations. This can save you up to 25% of repair costs.


Machine service scheduled based on the condition of your machine, parts and components. Having in-depth knowledge and a working history on your machines allows us to keep costs down and can save you up to 40% on a machine’s repairs and maintenances costs!


Testimonial – 2

“ARH have the knowledge and the skill to get your equipment working as it should, on time, and under budget.”

Simon Bothe

Testimonial – 1

"ARH provided friendly and efficient service. Tristan went above and beyond to ensure the job was completed of a high standard and on time."

Joel Fort

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