Shaftline Conversion From Oil To Water Saves Dredge Owner Money (Burlington, Canada - July 5, 2012) In April 2011, the Fraser Titan, a triple screw 2300 m3 dredger, was converted to Thordon RiverTough water lubricated propeller shaft bearings from an oil lubricated system. The previous oil lubricated system had many issues – frequent maintenance of aft seals, water ingress contaminating the lubricating oil and unplanned drydockings. The vessel had its first drydocking with water lubricated shaftlines in March 2012 at Esquimalt Drydock reporting no sealing issues (as there is no aft seal) and very little wear. At current bearing wear rates after 6,100 hours of operation, RiverTough bearings are expected to last over 10 years (+60,000 hours). “We chose Thordon RiverTough for this vessel

Join for free to read