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JD 8650 Kinze Repwer
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tn notiller
Posted 3/30/2014 16:40 (#3786371)
Subject: JD 8650 Kinze Repwer


buddy of mine is looking at one with the Kinze repower kit ,it has a Big cam 400Hp Cummings . What are the ins &outs of these machines I think he said around 6,000 machine hours & 3,000 on engine . thanks in advance
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Jd7730
Posted 3/30/2014 17:18 (#3786432 - in reply to #3786371)
Subject: RE: JD 8650 Kinze Repwer


SE MN
To me that's quite a few hours on an 8650 with more hp in its drive system than it was designed to have. Maybe your buddy would be interested in looking for an 8760 or 8770, in the end he would be much happier I think.
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deere_9600
Posted 3/30/2014 17:27 (#3786453 - in reply to #3786371)
Subject: RE: $30 k motor for a $15 k tractor ???


Some flawed thinking here....
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dakotadirt
Posted 3/30/2014 17:28 (#3786456 - in reply to #3786371)
Subject: RE: JD 8650 Kinze Repwer


put the money towards a tractor that had a cummins in it from the factory.
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dieseldoc
Posted 3/30/2014 17:30 (#3786461 - in reply to #3786453)
Subject: RE: $30 k motor for a $15 k tractor ???


Iowa
you can buy running 855 big cams all day long for 2500 bucks. That's a long way from 30 grand
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Vmo
Posted 3/30/2014 17:48 (#3786505 - in reply to #3786371)
Subject: RE: JD 8650 Kinze Repwer


Iowa
Many many people have done very well with Kinze repowered tractors. They have an excellent reputation and many times people own more than one. If you have questions about the particular tractor call Kinze and ask to speak to Gary.

When Kinze got thru with one of those tractors it was an enormous improvement over the original offering - despite the naysayers most of whom probably have no personal experience with one.

Kinzenbaw did good. That 8650 is no 9460R but you know that already.
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shorty1
Posted 3/30/2014 17:49 (#3786507 - in reply to #3786456)
Subject: RE: JD 8650 Kinze Repwer


I know of several that were redone many years ago and it seems that it cost around $25K+ and that included paint and basically a reconditioned tractor and a couple that have ran near me that have had very few problems.I saw a nice repower that needed tires sell for around $30K a year ago.A regular 8650 would be a tough sale in our area.As for the factory installed Cummins Jon Kinzebau was one of the best minds ever and his conversions were much easier to work on.We had an 8630/8640/and 8650 and then bought a red Steiger9280/9380/STX440 and there was no comparison for ease of servicing ,power,and durability.
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Steiger Man
Posted 3/30/2014 18:33 (#3786611 - in reply to #3786453)
Subject: RE: $30 k motor for a $15 k tractor ???


Sunburst Montana

I agree.  Never understood the purpose of these conversions.  So what if the Cummins is a nice upgrade over the original.  You still have the rest of the tractor that will nickel and dime you to death. 

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deere_9600
Posted 3/30/2014 19:40 (#3786793 - in reply to #3786461)
Subject: RE: $2500 ,you get EXACTLTY what you pay for


Not to mention the specially cast bell housing. I was pricing off Kinzes kit which I believe is no longer available
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dieseldoc
Posted 3/30/2014 20:16 (#3786906 - in reply to #3786793)
Subject: RE: $2500 ,you get EXACTLTY what you pay for


Iowa
deere_9600 - 3/30/2014 19:40

Not to mention the specially cast bell housing. I was pricing off Kinzes kit which I believe is no longer available


I suppose you are a Cat man and have the dealer fix everything for you. If not I am not sure why you made such a statement.
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Kooiker
Posted 3/30/2014 20:26 (#3786944 - in reply to #3786453)
Subject: RE: $30 k motor for a $15 k tractor ???



deere_9600 - 3/30/2014 17:27 Some flawed thinking here....

 

 

I doubt it was a $15k tractor when the conversion was done.

 

Probably wasn't a $30k motor at the time of the conversion either.

 

 

 

 

 

 

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johnypop
Posted 3/30/2014 20:32 (#3786965 - in reply to #3786456)
Subject: RE: JD 8650 Kinze Repwer


ND
dakotadirt - 3/30/2014 05:28

put the money towards a tractor that had a cummins in it from the factory.



+1
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CRB-87
Posted 3/30/2014 22:48 (#3787379 - in reply to #3786456)
Subject: RE: JD 8650 Kinze Repwer


We had that exact model never nickeld or dime us but the guy that bought it turned it up and added a bunch of waits it didnt like that
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myron
Posted 3/31/2014 10:52 (#3788035 - in reply to #3786371)
Subject: RE: JD 8650 Kinze Repwer


Spring Grove MN
It is a great update to the tractor. Like others said - 25K-27K for the conversion with painting. Dad had an 8640 done. There is no comparison on before and after. The series II conversion rebalanced the tractor and gave it a frame to hold the motor instead of it being a structural piece of the front end. The flex of the engine from being part of the structure caused a lot of head and cylinder leaks. I will say that you should not shift the hi/low under load. Ours couldn't take that. Just let the engine lug some instead of shifting down and the clutch packs will hold up. The old 619 had to be 1800RPM+ when the mulch tiller hit the ground or you would be stepping in the clutch or killing the motor. With the 855, you could drop the tiller to full depth at 1000RPM and it would just walk with it as you rolled on the RPMs. Dad has a 5010 and 5020 Knize conversions as well. I feel Jon did his homework and made some big improvements with his conversions. You should not abuse the tractors though. The tractors can't take the HP + adding weight for continued everyday ABUSE without you risking something breaking. If you use common sense, they will hold up well.
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