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John Deere 855 doesn't run

Discussion in 'Tractors' started by ranger88den, May 17, 2012.

  1. ranger88den

    ranger88den LawnSite Member
    from Ohio
    Posts: 8

    John Deere 855 diesel, compact tractor that has sat for approx. 2 years. When taken out of service, diesel stabilizer additive was added to fuel tank and the fuel has not gelled. New battery, turns over robustly and blows black exhaust during cranking, but will not run. I am at best, a shadetree mech. with no diesel experience. Any simple checks or common problems/maintence that can be done? Thanks in advance
  2. agrostis

    agrostis LawnSite Silver Member
    Posts: 2,294

    Diesel is more stable than gasoline. But 2 year's is long time for it to sit, even with a stabilizer.

    Read this - http://www.mydieseldoctor.com/FAQ.html#10

    You need to clean out the fuel system from the line's going to the fuel pump back to the tank. Clean or replace any filter element's. Make sure everything is open. I'll bet that tractor run's like a new one after that.
  3. ranger88den

    ranger88den LawnSite Member
    from Ohio
    Posts: 8

    Thank you for taking the time to reply.

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