High quality marine oil, effective and enhance performance and longevity.

This is a high viscosity/ high quality lubricant, which provides great lubrication to metal parts in my experience. Happy with the purchase.

I love this lubricant. I use it on my boat wherever parts are exposed to water, and on all stainless steel bolts to keep them from cold welding . It stays in place even when water is flowing constantly over it. Great stuff!!

I have used this product for quite some time now, and i can safely say it's the best marine lubricant you can buy. Will definitely continue to purchase.

This is an outstanding product that delivers on its promises. It offers exceptional protection against wear and tear and ensures that my marine engine runs at peak performance. I also appreciate the fact that it is easy to use and comes in a convenient 20-liter container.

I'm very impressed with the performance of this lubricant. It has excellent viscosity and helps my engine run smoothly and efficiently. The fact that it is compatible with a wide range of marine applications makes it a great all-around lubricant for any sailor.

The Shell Gadinia 40 is a top-quality product that provides excellent protection for my engine. I've been using it for over a year now, and I have not experienced any problems. I highly recommend it to any boat owner looking for reliable and long-lasting lubrication.

I work on a fishing boat and we have been using Shell Gadinia 40 Marine lubricant for the past 6 months. I have noticed a significant improvement in the engine's performance and efficiency since switching to this product. This product has proven to be highly reliable, making it an excellent value for the price.

As a professional marine engineer, I have been using the Shell Marine lubricant for over a year now and I must say that it has exceeded my expectations. Its reliability is unmatched and it has helped to keep my engines running smoothly and efficiently. It is definitely worth the investment.

Very powerful marine lubricant, it performs satisfactorily in smaller high speed engines. it is highly rated, gives reliable protection and viscosity.