Heavy-Duty Diesel Engine Oils

Good oil doesn’t just protect, it saves. The right formulation can mean the difference between an engine that works hard and an engine that wears out. By reducing soot accumulation, managing heat, and shielding internal components from corrosion, our heavy-duty diesel oils directly extend engine life. They also stretch the distance between oil changes, reducing both downtime and labour.

The science is simple. Fewer breakdowns mean fewer disruptions. That’s why fleet managers, site operators and service teams across the country choose oils that do more than meet the minimum.

Our diesel oils are designed to help your engines start clean in cold weather, run cooler under pressure, and stay clean longer. They also resist oxidation, sludge, and acid build-up, all of which can degrade performance over time.

Every formulation we supply is tested to match the operational pressures of Australian conditions. From the heat of remote mine sites to the seasonal extremes of agricultural work, we don’t just guess what will work; we know. Our products are field-tested and trusted across harsh terrain, heavy use, and long cycles.

In environments like these, there’s no margin for error. Lubricants that fail don’t just cost time; they can cost thousands. Our clients choose us because we help them keep things moving when everything around them is trying to slow them down.

At Liberato, you’re not buying a name on a drum; you’re investing in uptime, performance, and long-term reliability. We supply oils that meet major OEM and API standards, and we match those with technical support and service that puts your operations first.

We offer solutions for major commercial engines, including Mercedes-Benz, Volvo, and other European and Japanese manufacturers. Our clients include operators across mining, logistics, agriculture and industry, all of whom depend on products that don’t let them down.

You need oils that last longer, protect better, and suit your machinery from day one. That’s what we deliver.