Stern Tubes & Thrusters

Castrol’s Liquid Engineers advise on limiting the cost and environmental impact of water ingress and oil leaks into the sea from stern tubes and thrusters. Castrol BioStat is OSPAR registered and complies with the revised 2013 US Vessel General Permit (VGP).

Our Liquid Engineers are as dedicated to environmental responsibility as you are, which is why they offer support and advice that accompanies products designed to boost your environmental reputation among stakeholders and customers. 

You can talk to them about how Castrol BioStat’s superior marine biodegradation and reduced bioaccumulation (compared to conventional mineral based oils) can help to minimize the environmental impact of oil leaks. 

Our experts are passionate about combining responsibility with performance and reliability, as well as providing advice on how to apply the right product to provide effective lubrication for marine thrusters, stern tubes, spur, planetary and helical gears, rolling element and plain bearings.

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