Ransomes Crawler Collection Big Bang Finale

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This topic contains 4 replies, has 4 voices, and was last updated by  expeatfarmer 1 month, 3 weeks ago.

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  • #35176

    expeatfarmer
    Participant

    Nearing the end of clearing my collection I was busy sorting the MG6 TVO tractor which had not run for a number of years. Finally it started and ran for two minutes then catastrophic bang! Crank snapped in two places con rod bent fortunately piston and barrel are ok but block is scrap the centre bearing support web is twisted.Fortunately I have a spare and can rebuild a good engine.

    • This topic was modified 1 month, 3 weeks ago by  expeatfarmer. Reason: Photos
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    #35181

    trusty220
    Keymaster

    Do you have any idea what caused it to fail, Jonathon?

    #35186

    charlie
    Keymaster

    Ouch. I wonder if a previous owner had been using Easy Start or similar?

    #35187

    ransomes256
    Participant

    Jonathan,
    It is a strange failure as it appears more like a hydraulic lock failure that you would get from a water cooled engine. There is so much space in the head that with the engine running you would never get that much fuel up the top.
    Any sign of anything jamming the crank or big end?
    Neil

    #35190

    expeatfarmer
    Participant

    It looks as if the crank has an older crack which has failed, may have been there for years.

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