John Deere 4020 starter problems Problems
John Deere 4020 starter problems
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It’s my first time here and I’m having trouble starting my old John Deere 4020. The truck has been sitting in my shop because I only use it for walnut harvest once a year.
J&DR
John Deere 4020 power shift issue Problems
John Deere 4020 power shift issue
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As I understand it there is a check valve between the drive pump and the front reservoir, but it is located near and above the reservoir (cooler) so when the check valve wears out it
J&DR
John Deere 4020 hydraulic problem Problems
John Deere 4020 hydraulic problem
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I have a John Deere 4020 with syncro range, the transmission, when you hold the clutch pedal to change gears you lose power steering, when you release the clutch pedal you get power
J&DR
John Deere 4020 Faq Problems
John Deere 4020 Faq
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Is a 1965 gas john Deere 4020 – with a tricycle front end – especially rare? I have never seen a JD 4020 that is not diesel. Personally, I think diesel is the best option
J&DR
John Deere 4020 Electrical Problem Problems
John Deere 4020 Electrical Problem
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Hi everyone, I have a problem with my John Deere 4020. This last summer – if the tractor sat for more than 2-3 days … that will not start. At that time –
J&DR
John Deere 4020 24 volt problem Problems
John Deere 4020 24 volt problem
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A friend asked me to take a look at his tractor John Deere 4020 complaining that his lights are not working. I took my multimeter and found that most of his bulbs were burned out, and
J&DR
Is it Bad News for this John Deere 4020 Problems
John Deere 4020 – Problems and repair
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Yesterday I discovered a problem with my John Deere 4020. The diesel does notcrank. Tell me please, what could be the harm? You must use the recommended grade of fuel.
J&DR
Is it Bad News for this John Deere 4020 Problems
Is it Bad News for this John Deere 4020
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I work for a trucking company that also has farm tractors. They have a John Deere 4020 that I just replaced the fuel injector pump in Augist 2011. I can give tips on how to time these.
J&DR
John Deere 4020 hydraulic issue Problems
John Deere 4020 hydraulic issue
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Just to make sure I’m not missing something. Our 1968 4020 seems to lose prime of the hydraulic system after being idle for a while. I don’t see any major leaks and no oil leaks.
J&DR
John Deere 4020 steering problem Problems
John Deere 4020 steering problem
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I have a John Deere 4020 diesel that has developed an annoying habit of swerving to the right when driving. If you are fast and turn left it straightens up but is obviously dangerous on the road.
J&DR