Tractor V ibration

Posted by RonB on July 28, 2003 at 08:13:28 from (161.40.232.2):

I was mowing heavy brush with my JD 1250 tractor. Without any appearent reason (meaning I did not just run over a stump), the tractor started a violet vibration. This vibration appeared to be at about 120 cycles/second, not dependent upon engine speed? It I were to put the transmission into neutral, the vibration continues. I could stop the vibration by dropping either the front-end loader or the mower deck, but would restart by lifting the implement.
I do not hear any noise coming from the engine. I was thinking that a bent crankshaft would be making noise??
Any ideas/comments would be appreciated.
RONB

Follow Ups:

• Re: Tractor V ibration Big Bob 12:30:12 07/28/03 (0)
• Re: Tractor V ibration markct 11:13:39 07/28/03 (3)
  • Re: Re: Tractor V ibration Not possible - NO ONE ... 10:34:39 07/29/03 (2)
    • Re: Re: Re: Tractor V ibration lol, markct 10:40:41 07/29/03 (1)
      • Re: Re: Re: Re: Tractor V ibration RAB 13:04:42 07/31/03 (0)
• Re: Tractor V ibration RAB 08:50:49 07/28/03 (2)
  • Re: Re: Tractor V ibration RONB 09:00:08 07/28/03 (1)
    • Re: Re: Re: Tractor V ibration RAB 09:24:43 07/28/03 (0)

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