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    • Cummins Marine Forum Topics
    • Repower 35 Henriques Pilothouse

      This topic has 9 replies, has 3 voices, and was last updated byRiggersandFinsBda 4 years ago

      March 1, 2018 at 3:18 pm I have a 35 Maine Coaster pilothouse that I am considering downsizing the engine from a 420 to 370 Cummins Is this a reasonable possibility in theory. We use the boat for recreational fishing and don’t need a speed demon. Again this is a boat with a 4kw Onan genset, 300gallons of diesel max and 50 gallons of water if we were full. It is an 18000lb boat I need to repower but budget dictates and I’ve seen another similar boat a 34 Du…

      Started by: RiggersandFinsBda in: Boats & Repowers


      9 Replies
      May 10, 2019 at 7:38 am Good day All, This is a LOOONGGG overdue update: I’ve managed to get the engine out and will be replacing it with an (apple to apple) direct model replacement. 6CTA 8.3-M.2 Upon removing the current engine and tranny, it has been revealed, as expected that the coupling may need replacing. What is currently on the tranny is from VULKAN p/n# 1KT4110104. Is this something that you supply at Seaboard or is there an apple to apple upgrade as it…

      Last Post by: RiggersandFinsBda posted: 4 years ago

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