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Its a 1970 4020 Diesel. I have no gauges, fuel, oil pressure
Its a 1970 4020 Diesel. I have no gauges, fuel, oil pressure or heat … read more
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My JD 4020 was starting fine and then suddenly the started
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I'm changing the oil pump on a Deere 4020. Does it need to
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What year is my 4020 powershift S/N T- 81569. Model number
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1968 jd 4020 syncro-range transmission - will shift into
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Engine shut off while i was mowing a field jd 4320. Not sure
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Curtis B.
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1970 deere 4020, when mowing all of a sudden lose of power,
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Working on a 64 4020 24 Volt starter. Just had the starter
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I have a Deere 619 diesel engine that I am overhauling. I
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I have a 1974 deer 4020 and the pto engages my brush hog but
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Curtis B.
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Hydraulic problem 4020 JD remotes have very little pressure.
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Put a 148 loader on a 2440. deere 2440 until. I buying one
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Hydraulic front end on 4020 johnbdeer will not work. It has
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diesel tractor JD 4020: I have a John Deere 4020 (90 horse)
I have a John Deere 4020 (90 horse) tractor. I just replaced thje diesel injectin pump. Bjut now I can't get it to start. It has 2 6 volt batteries (new) . When I jump it it will turn over barely once… read more
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Does anyone know serial number of last 1968 non console 40
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We have a 1968 john deere 4020 diesel. it has good oil pressure,starts
We have a 1968 john deere 4020 diesel. it has good oil pressure,starts good but has a knock (does not sound low like bearing noise) we changed frt pump bushings,injector pump was rebuilt.If you could … read more
Curtis B.
Curtis B.
Technician
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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