About Us

About Baileys Diesel Group

In 1972, Gregory Bailey, Gillian and family  started a diesel fuel injection repair business in Sydney, New South Wales, Australia. Today, CEO Stephen Bailey provides all innovation, improvements and direction of all products including research and development within the Baileys Diesel Group.


With over 48 years expertise and knowledge the Baileys Diesel Group is an industry world leader, #1 diesel combustion efficiency and technology. We actively participate in servicing, maintaining and improving industrial, rail, marine, mining, off- highway and on-road vehicles.


Baileys Diesel Group operates from Baileys Diesel Technology Centre in Wollongong New South Wales. This is a state of the art, 1500m² all-inclusive facility south of Sydney, New South Wales.

Not only do we offer the technical solution, but then also assist our clients to measure it, maintain it and improve it.

Baileys Diesel Group focus is on reducing the fuel expended during combustion, therefore reducing the carbon footprint by actively participating in reducing greenhouse gases and emissions, other benefits include reducing overall costs, down time and engine maintenance.


We are aligned with views of United Nations 2030 Agenda and commitment to reduce these international emissions targets.


The Baileys Diesel Group clearly knows our purpose; to serve our clients by the ability to compare, improve and validate to international standards. We deliver quality results and superior client service in everything we undertake.

Our approach

At Baileys Diesel Group, we explain maintenance procedures and ways to improve your diesel engines.

Baileys Diesel Group has now diversified into turbochargers, ongoing research and development (the family has patented 4 innovative products) training, accurate fuel consumption metering, real-time engine diagnostics and logistical solutions.

Our guarantee

Baileys Diesel Group are committed to delivering solutions, and all of our products are backed by our warranty policy. Our customer service team and technical advisors can assist you with your questions on diesel engines and combustion. We can assist with savings on fuel, emissions, increase torque and ensure your engine is running at optimum efficiency.

man in a blue uniform

We Offer Free Tech Support from Qualified Mechanics

8AM - 2PM

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