Duramax Marine
 
Duramax Marine® is the trusted leader in the marine industry delivering innovative seawater lubricated bearing and stern tube sealing solutions that have met the unique challenges of demanding marine environments for decades.

Our seawater lubricated bearings and seals can be found running on more commercial vessels than any other. Our customers can always count on us to deliver the very best. Performance is our mission and the reason more Navy ships around the world trust Duramax Technology to keep mission critical propulsion systems running smoothly.

A primary focus of our engineering team is developing the most advanced solutions for ship propulsion systems. Our systems offer superior reliability, low friction, low acoustic signatures, vibration and resonance mitigation and increased bearing and shaft life. All Duramax systems are qualified to MIL specifications and exceed requirements of all Marine Classification Societies.

Whether you are building a new vessel or converting an oil lubricated stern tube system over to seawater – trust the Duramax Marine Team will keep you moving full speed ahead.
 
   
Innovative, Pollution-Free, Advanced Water-Lubricated Bearing Solutions.

DryMax ShaftSeal Duramax Marine bearing solutions are a result of researching the scientific fundamentals of bearing technology, then combining that research with a solid base of product application knowledge.

We are continually advancing rubber-based elastomer bearing technology, setting new performance standards in real world applications. Our research and development focus is on low friction, low acoustic signatures, increased bearing and shaft life – extending dry dock maintenance intervals.
 
   
DryMax Stern Seal System is Engineered for Optimum Sealing Performance.
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The DryMax Stern Tube Seal System was designed, built and tested by Duramax Marine in the USA. The seal is a water-lubricated axial shaft seal system constructed of the highest quality materials which have been engineered to deliver long service life.

The DryMax Shaft Seal is a reliable system that uses no grease or oil and is easy to install and maintain. It is a great addition to a full line of proven and reliable marine products developed by Duramax Marine and engineered to protect the environment.
 
   
DryMax Rudder Sealing System Designed to Deliver Long Service Life.

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DryMax is a robust and reliable hydrodynamic rudder seal system constructed of the highest quality materials designed to deliver long service life. DryMax Sealing System was engineered, tested and built by Duramax Marine in the USA.

This axial system provides excellent sealing and can accommodate large increases in radial clearances due to wearing down of rudder stock bushings. DryMax Rudder Sealing System is installed above the DuraBlue Rudder Bushing and controls seawater from entering the hull.
 
   
Johnson Cutless. The Water-Lubricated Bearing that has Nothing More to Prove.
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More marine professionals have put their trust in Duramax Johnson Cutless Bearings than any other bearing in the world.

The Cutless brand is the most recognized water lubricated marine bearing around the world. Our Johnson Cutless bearing was the first and continues to be the only bearing to meet all MIL-DTL-17901C Class II requirements.

Duramax Marine high quality standards, unmatched marine experience, and decades of bearing research has resulted in performance records that other manufacturers only promise.