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  4. Ancillary lubricants

Ancillary lubricants

Discover our range of ancillary lubricants. Designed to help boost the reliability, efficiency, and longevity of your vessel’s equipment.

Reliable protection for every part of your vessel

When you’re operating at sea, every part matters – from hydraulics and gear systems, to pumps and compressors. At Castrol, we understand the challenges the marine environment places on your machinery, and the risks that come with poor lubrication.

 

Castrol combines advanced lubricants with technical expertise to help protect your vessel's critical components. Our advisors can support you in selecting the right solutions to help reduce risk, improve equipment reliability, and lower maintenance and spare-part costs for your fleet.

 

Helping to keep your operations running smoothly and efficiently.

Find your product and port

Hydraulic oils

Discover our range of mineral, synthetic, and EAL* hydraulic oils – designed to deliver protection and improve the efficiency of hydraulic systems across many marine applications

Gear oils

Explore Castrol's range of gear oil. Engineered for extreme pressure performance, thermal stability, and corrosion protection helping to extend the life of your gearbox.

Greases

Castrol greases offer excellent load-carrying capacity, superior water resistance, robust corrosion protection, and long-lasting performance even under severe marine operating conditions.

Heat transfer oils

Castrol heat transfer fluids provide high thermal stability, efficient heat conductivity, low volatility, and reliable performance for closed-loop systems.

Compressor oils

Explore our range of advanced compressor oils. Suitable for all types of air compressors including turbocharger and rotary-screw models. 

Environmentally Acceptable Lubricants (EALs)*

Castrol EALs* are biodegradable, minimally toxic and not bio accumulative lubricants that meet EPA VIDA requirements, support sustainability goals, and maintain high performance.

Looking for something else?

Engine oils

Explore our range of high-performance marine products. Designed to meet the latest environmental legislation, industry-specific OEM requirements, and the needs of your fleet.

System oils

Explore Castrol CDX - our range of system oils formulated for excellent oxidation stability, water handling, engine cleanliness, and protection.

Marine product finder

Use our DMS tool to find the recommended products for your fleet. Select your location and enter the required information.
*A lubricant, including any oil or grease, that is ‘‘biodegradable,’’ ‘‘minimally toxic,’’ and ‘‘not bio accumulative’’ as defined by US VGP 2013.