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Tractor Talk Discussion Forum

7740 ??????

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JRW

07-03-2004 12:08:29




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Well I went and looked at one today.How much blow by is normal out of the crankcase vent and when you put the pto in gear at low rpm's there is a chatter sound that comes from the diff.When you bring the rpm's up it stops. The tractoris a 96 model with 3900 hrs on it.Thanks for any replys

jrw




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kyhayman

07-03-2004 19:59:44




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 Re: 7740 ?????? in reply to JRW, 07-03-2004 12:08:29  
The 7740 would have the same basic drive train as the other 7 series. I've got a 7710, 7600, and 7610. My dad has a 7600 and 7610. They all have a lot of blowby and have since new (a steady stream but you can still see the hood). When the PTO is on at idle they all sound like they are flying apart. Thats just normal for what I've observed. Great tractors, among the 5 weve got over 25,000 hours, nothing major on any of them except clutches. Anything under $20,000 (with CHA) in decent shape and its priced right.

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rob

07-03-2004 19:25:42




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 Re: 7740 ?????? in reply to JRW, 07-03-2004 12:08:29  
I had a 7700 that my grandfather bought new in 1978 and it had quite a bit of blow by and also had the noise in the pto when it was idling. Rob



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