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    • Cummins Marine Forum Topics
    • ZF80A High Iron in Oil

      This topic has 7 replies, has 3 voices, and was last updated byTony Athens 7 years ago

      April 13, 2017 at 3:04 am We recently signed a contract to sell our boat which has Cummins 6BTA5.9’s coupled to ZF80A transmissions. The buyer had oil samples done and all were normal exept the port transmission which came back with a high iron content of 219ppm. We have only had the boat 12 months and I’ve done almost everything exept change the transmission oils on her. I do not want to sell her to the buyer in the current state if this is going to become a…

      Started by: Brett Griffin in: Marine Transmissions

      7 Replies
      April 16, 2017 at 6:54 am “Plug & Play” replacement ( internal design changes only).. Availability is usually 1-2 days max…   Tony

      Last Post by: Tony Athens posted: 7 years ago

    • 6BTA5.9 Preheaters

      This topic has 12 replies, has 4 voices, and was last updated byWilliam Walter 7 years ago

      November 15, 2016 at 7:01 pm The mechanic who was previously looking after our engines disconnected the preheaters on the top of the aftercoolers and told me when I asked it was because the engines didn’t need them in our hot climate and they are not good for the alternators. Is this true or should I reconnect them? The other thing is he just disconnected them by taking the leads off the terminals at the preheaters then taped them up. It looks untidy so if they are no…

      Started by: Brett Griffin in: Cummins Marine Engines

      12 Replies
      November 20, 2016 at 6:23 am Thanks for info .i probably won’t use them as a standard practice as the downside seems to heavily outweigh the upside.

      Last Post by: William Walter posted: 7 years ago

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