Wärtsilä EvoTube®

General Suitable for oil & water lube systems. Simplified system – no forward stern tube bearing means less that can go wrong & less maintenance. Low risk, based on existing technology. Frees up valuable cargo space. Easier future modification from oil to water lubrication. Permits easier maintenance of equipment onboard. Oil lubrication Stern tube lubrication oil was reduced by ~90%. Improved through-life quality of the stern tube oil due to simplified oil maintenance during operation. Simplified oil management during maintenance of the Stern tube seals. Can modify from oil-lubrication to water-lubrication. Water lubrication Eliminates shaft corrosion – no shaft coatings are required as for conventional water- lubricated stern tubes. Enables full in-water serviceability including aft bearing replacement. Compact design, free’s up valuable cargo space and permits easier maintenance of equipment onboard.