Company lists · Data refreshed September 2026

Top 24 Diesel engine maintenance companies based in Australia

Name: Diesel engine maintenance companies based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 192 companies tracked

RevenueBase identified 192 diesel engine maintenance companies headquartered in Australia as of September 2026 and tracks 624 professional contacts across them, including 163 with verified work emails. Perth is the largest hub.

This list covers diesel engine maintenance companies headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

192Companies

624Contacts tracked

163Verified emails

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The 24 largest diesel engine maintenance companies based in Australia

Ranked by team size

Top 24 of 192 diesel engine maintenance companies based in Australia, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to diesel engine maintenance companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Truck Tech Group	Indirect evidence	Chipping Norton, AustraliaHQ checked Sep 19, 2026	51-200	36 contacts →
	Indirect evidence “TRUCK TECH® is a growing company with over 140 employees (110 techs and mechanics), four locations, and more than 50 Field Service units.” Source: RevenueBase Database · checked Sep 19, 2026
2	Heavy Automatics	Indirect evidence	Lynbrook, AustraliaHQ checked Sep 19, 2026	201-500	36 contacts →
	Indirect evidence “Since 1990, Heavy Automatics has been Australia’s undisputed leader in Allison Transmission services.” Source: RevenueBase Database · checked Sep 19, 2026
3	AJL Heavy Industries	Indirect evidence	Melbourne And Tasmania, AustraliaHQ checked Sep 19, 2026	51-200	22 contacts →
	Indirect evidence “At AJL Heavy Industries, we keep Australia’s industries moving - safely, reliably, and efficiently.” Source: RevenueBase Database · checked Sep 19, 2026
4	Merge Mechanical Services	Strong evidence	Perth, AustraliaHQ checked Sep 19, 2026	11-50	21 contacts →
	Strong evidence “Founded in 2020 by Lloyd Jongwe and a great team behind the scenes, Merge Mechanical is a leading diesel maintenance and repair service across WA.” Source: RevenueBase Database · checked Sep 19, 2026
5	Cornell Diesel Systems	Partial evidence	Melbourne, AustraliaHQ checked Sep 19, 2026	11-50	19 contacts →
	Partial evidence “For over 50 years, Cornell Diesel Systems has led Australia’s diesel industry, specialising in Diesel Fuel Injection Diagnostics, Repair, Aftermarket Parts Sales, and Service.” Source: RevenueBase Database · checked Sep 19, 2026
6	Frontline Equipment Maintenance	Partial evidence	Mackay Harbour, AustraliaHQ checked Sep 19, 2026	51-200	17 contacts →
	Partial evidence “At Frontline Equipment Maintenance Pty Ltd, we specialise in the repair and maintenance of mining, industrial and commercial equipment and vehicles.” Source: RevenueBase Database · checked Sep 19, 2026
7	WSB Distributors	Indirect evidence	Clare, AustraliaHQ checked Sep 19, 2026	51-200	14 contacts →
	Indirect evidence “Agricultural & Industrial Machinery SA Automotive & Truck Repairs, Cummins, SA” Source: RevenueBase Database · checked Sep 19, 2026
8	Truckrite	Indirect evidence	Dandenong South, AustraliaHQ checked Sep 19, 2026	11-50	10 contacts →
	Indirect evidence “We are a heavy vehicle repair specialist operated and run by a team of highly skilled professionals with over 60 years combined experience in the commercial transport and heavy…” Source: RevenueBase Database · checked Sep 19, 2026
9	JRB Diesel Fleetservice	Partial evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	9 contacts →
	Partial evidence “JRB DIESEL FleetService is a privately owned business, which started in a small workshop in the Minto area in 2003.” Source: RevenueBase Database · checked Sep 19, 2026
10	Onboard Engineering PTY LTD	Partial evidence	Taren Point, AustraliaHQ checked Sep 19, 2026	11-50	8 contacts →
	Partial evidence “Founded in 2008, Onboard Engineering is owned and operated by its Directors, Andrew Stubbs, Damian Mercieca and Shannan Day.” Source: RevenueBase Database · checked Sep 19, 2026
11	HDD Solutions PTY LTD	Strong evidence	Wangara, AustraliaHQ checked Sep 19, 2026	11-50	8 contacts →
	Strong evidence “HDD Solutions is a Heavy Duty Diesel Maintenance business focused on providing a quality maintenance service to our valued clients for the past 5 years with combined experience of…” Source: RevenueBase Database · checked Sep 19, 2026
12	Environmental Pressure Specialists	Indirect evidence	Dandenong South, AustraliaHQ checked Sep 19, 2026	1-10	6 contacts →
	Indirect evidence “Environmental Pressure Specialists – Vac Trucks \| Combo Units \| NDD Trucks \| Parts \| Sales \| Service & Repair Specialist.” Source: RevenueBase Database · checked Sep 19, 2026
13	Diesel And Industrial Engine Spares	Strong evidence	Carole Park, AustraliaHQ checked Sep 19, 2026	11-50	5 contacts →
	Strong evidence “At Diesel and Industrial Engine Spares we provide you with a quality range of engine parts for Caterpillar, Cummins, Detroit and Komatsu engines at competitive prices.” Source: RevenueBase Database · checked Sep 19, 2026
14	Eurostar Diesels	Partial evidence	Hallam, AustraliaHQ checked Sep 19, 2026	11-50	5 contacts →
	Partial evidence “Eurostar Diesels is Melbourne's only Specialist Mercedes Benz Diesel service and repair shop.” Source: RevenueBase Database · checked Sep 19, 2026
15	KBX Mechanical	Partial evidence	Paget, AustraliaHQ checked Sep 19, 2026	11-50	5 contacts →
	Partial evidence “Services We Provide • Civil & Mining Maintenance Fleet • Mobile Workshop • Rebuilds & Diagnostics • Auto Electrics • High Voltage Electrics • Hydraulics & Hoses • Boiler…” Source: RevenueBase Database · checked Sep 19, 2026
16	Genergy Australia	Partial evidence	Acacia Ridge, AustraliaHQ checked Sep 19, 2026	1-10	5 contacts →
	Partial evidence “Welcome to Genergy Australia your premier one stop shop for all your generator maintenance and repair needs.” Source: RevenueBase Database · checked Sep 19, 2026
17	Royston Australia	Strong evidence	Henderson, AustraliaHQ checked Sep 19, 2026	51-200	5 contacts →
	Strong evidence “Royston are a dynamic and expanding diesel engine supply, service and repair company operating successfully within the Marine, Offshore, Industrial, Defence and Rail sectors for…” Source: RevenueBase Database · checked Sep 19, 2026
18	Wade Fleet Maintenance	Partial evidence	Forrestfield, AustraliaHQ checked Sep 19, 2026	1-10	4 contacts →
	Partial evidence “Wade Fleet Maintenance was established in We have recently moved into our fully-equipped purpose built workshop located in Forrestfield Perth, specialising in but not limited to…” Source: RevenueBase Database · checked Sep 19, 2026
19	Benchmark Diesel Services PTY LTD	Partial evidence	Pinelands, AustraliaHQ checked Sep 19, 2026	11-50	4 contacts →
	Partial evidence “Benchmark Diesel Services commenced business in July 2016 after Brett’s desire to run his own business, with the aspiration to create an honest, reliable service to customers.” Source: RevenueBase Database · checked Sep 19, 2026
20	Nutek Mechanical	Partial evidence	Rossmore, AustraliaHQ checked Sep 19, 2026	1-10	4 contacts →
	Partial evidence “Nutek Mechanical was established in 2005 and has grown to be an Industry leader in the repair and maintenance for Commercial transport, Heavy vehicle and Construction equipment.” Source: RevenueBase Database · checked Sep 19, 2026
21	ALL Fleet Service & Repairs	Partial evidence	Rocklea, AustraliaHQ checked Sep 19, 2026	1-10	4 contacts →
	Partial evidence “All Fleet Service and Repairs is a respected Heavy Diesel Mechanic in Brisbane.” Source: RevenueBase Database · checked Sep 19, 2026
22	Transmarine Asia Pacific	Strong evidence	Coomera, AustraliaHQ checked Sep 19, 2026	11-50	3 contacts →
	Strong evidence “Transmarine Asia Pacific is a premier supplier for all Diesel Engine and Maintenance requirements.” Source: RevenueBase Database · checked Sep 19, 2026
23	Taylor Mechanical And Marine	Partial evidence	Geraldton, AustraliaHQ checked Sep 19, 2026	1-10	3 contacts →
	Partial evidence “Founded in 2016, TMM specialise in the maintenance of heavy duty machinery in the Marine and Transport industry.” Source: RevenueBase Database · checked Sep 19, 2026
24	Tibbs Fleet Services	Indirect evidence	Gracemere, AustraliaHQ checked Sep 19, 2026	11-50	3 contacts →
	Indirect evidence “We are the Scania specialist for the Capricornia Region.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: diesel engine maintenance companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names diesel engine maintenance companies.
Partial evidence: Its own public description names part of diesel engine maintenance companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name diesel engine maintenance companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 24 of 192 diesel engine maintenance companies based in Australia

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Diesel engine maintenance companies based in Australia at a glance

As of Sep 19, 2026

26.1%Verified-email coverage

3.2Average contacts per company

1-10Median size (employees)

7.8%Largest-city concentration · Perth

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

128

11-50

51-200

201-500

5,001-10,000

Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 192 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among diesel engine maintenance companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Australia whose own description of what they do matches “diesel engine maintenance companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names diesel engine maintenance companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among diesel engine maintenance companies, and records with no verified work email. Companies headquartered outside Australia are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 163 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names diesel engine maintenance companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many diesel engine maintenance companies are there based in Australia?

RevenueBase identified 192 diesel engine maintenance companies headquartered in Australia as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Truck Tech Group, headquartered in Chipping Norton, tops this list with the largest team on record.

Which city has the most diesel engine maintenance companies?

Perth leads with 15 headquartered companies, followed by Dandenong South (8) and Brisbane (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 163 verified decision-maker contacts tracked across these 192 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.