John Deere 420 4.50 star(s) (6)

Information, reviews, photos, discussion topics, owner pages, and specifications about the John Deere 420.
25-50 HP Tractors
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About the John Deere 420



John Deere 420 Discussions (100)

Here are the most recent 420 topics from our community.
  1. C

    JD420 rear PTO removed and now won’t start

    Got my hands on a JD420 yesterday. The rear PTO hardware and wire was removed earlier including the panel switch and light on the control panel. As best I can see, there is a loose black wire...
  2. BX23S-1

    John Deere 420 - Garden Tractor Question

    I have a 1989 JD420 (Onan P220G-20hp), a long time ago, i was told they switched from a points type ignition to a solid state ignition somewhere between the late 80`s and early 90`s. My problem...
  3. L

    Honda replacement for Onan engine for a JD 420

    Has anyone changed out the Onan engine for the Honda Replacement? Were you satisfied with the swap in terms of performance? Thanks!!!
  4. B

    JD 420 Tractor Generator

    The generator isn't charging the battery, it could be a broken or loose wire. Or it could be the generator. Is there a simple way to check to see if the generator is charging? I am eclectically...
  5. W

    Rebuilding a JD 420 Loader Lift Cylinder

    Hi all, I have a John Deere 855 tractor with a 420 FEL. One of the lift cylinders has developed a leak. I tried replacing the seals but no success. There are a few youTubes on this which are...
  6. J

    JD 420 Loader bucket cylinder drops

    Hey all, Going to change out the Hydraulic and Transmission fluid shortly and figure I would maybe try and rebuild the bucket cylinders. The bucket tends to drop as soon as it has a load it in...
  7. S

    John Deere 420 loader cylinder rebuild question

    I have a 420 loader with serial number 9759 with a bucket cylinder that is leaking through the small hole in the side of the cylinder - see attached picture. Based on the parts diagram, it looks...
  8. K

    JD420 ignition circuit

    Hi, new to TBN. Just bought an 88 JD 420 for $600. It won't start, no spark. checked everything down to the ignition control module. I'm getting full battery voltage on the negative post on the...
  9. S

    One spare part after re-assemble. Help identify on John Deere 420

    Picked up a project last week. Lower mount for transmission that attaches to crossmember broke off the housing. Tore tractor down, got it welded up, repaired a few items and just about done...
  10. BX23S-1

    JD 420 Garden Tractor - Intermittent Starting Issue - Now Wont Turn Over at all

    Intermittent failure to turn over, now gotten worse and wont even turn over now. Battery fully charged - Dash Lights On - New (kit) Starter Relay - Bypassed Seat Switch & Hydro Switch on the...
  11. W

    JD 420 Cranks, won't start

    So yesterday I did some mowing, and pulling a wagon up the hill with some firewood, and on the last task & firewood trip I turned the key and just heard the starter motor whirring away, but not...
  12. J

    John Deere 420 no spark

    I have no spark. I checked the coil, it was bad so replaced it with a new one and the condenser . Coil wires, plugs are good. Does not have points. She is the P220G model Any suggestions?
  13. E

    JD 420 clutch issue

    Hi all.... After brush hogging with my JD 420, I went to park it and had no clutch...period. The pedal feels totally disconnected...no resistance. If it's the connecting linkage, will this...
  14. J

    Price Check John Deere 420 for sale

    420 John Deere with 60 inch mower deck, 4 way plow, tire chains, rear wheel weights, calcium filled rear tires, new base coat clear coat about 2 years ago. B.O. Will post pictures .
  15. barretreasures

    John Deere 420 Garden tractor question

    Hi been getting a lot of good info from the site Now I Need Help !!! My Onan P220 in my 1989 420 garden tractor broke a rod this week I think the block is ruined. the cyl. walls look good and are...
  16. S

    Question for those that have fitted a COZY CAB to a Deere 420 or 430?????

    Hi guys, I have finally found and purchased a Cozy Cab for my 430!!!!! (without instructions) and am wondering if you left the rubber "rear fender isolation mounts" in place when re-installing...
  17. Y

    John Deere 420

    Hi everyone, thanks for any replies I recieve, I am still trying to search the forums for any information on the 420 garden tractor. Anyone's advice, tips or opinions are welcome. I have...
  18. D

    John Deere 420 cranks, won't start

    Hi all, I have a John Deere 420 with the P220G Onan that quiit on me. About a week ago I had it running like normal. I pulled it out, changed the oil, cleaned the air filter and sharpened the...
  19. J

    Johne deere 420 loader cylinder rebuild

    If anyone can help Tapatalk - 44 error Johne deere 420 loader cylinder rebuild
  20. J

    Johne deere 420 loader cylinder rebuild

    Hello im new to this. I have been searching for a good thread/videos explaining how to rebuild the lift cylinders on my tractor.
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User Reviews (6)

Read what TractorByNet members think about the John Deere 420 Subcompact Tractor
5
67 %
4
17 %
3
17 %
2
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1
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5.00 star(s)
Anonymous Poster

420 John Deere
JD 420 Garden Tractor
Model Year: 1989

So far this has been a great all around mower-tractor. Just big enough for using the blade, but still not bad at mowing. Will need to overhaul or repower it in the next year or two.

Pros: Good all around mower and tractor.
Cons: Shaft drive front PTO. Equiment cost is higher.

5.00 star(s)
striperon

420 John Deere
1992 John Deere 420 Garden Tractor
Model Year: 1992

I purchased this tractor in Ohio and had it shipped to Maine. I also have a 1985 420 and this makes a pair. They are just the tractor I need. I put a front end loader on the 1992 with wheel and suitcase weights. This tractor will have the FEL full time. It amazes me how much I can do with these tractors. I pull stumps, lift rocks, blow snow, use the loader as staging, level gravel, eliminate use of a wheelbarrow, and ... oh yes, mow the lawn. This tractor is most like the farm tractors I grew up with. I recognize that these tractors are more than 20 years old and require service and replacement parts.

Pros: Quality build, array of attachments, versatility.
Cons: Some parts are no longer available new, age.

Photo Uploads:

5.00 star(s)
avrotom

420 John Deere
1958 John Deere 420
Model Year: 1958

This is a rare (only 89 built) Industrial model a friend of mine found in South Arizona. I shipped it to Northern Alberta, done some restoration/repair and it is used as a yard tractor moving boats and trailers and a little lite grading with a rear mount blade.

Pros: Character.
Cons: Parts accessibility.

Photo Uploads:

3.00 star(s)
bacajr420JD

420 John Deere
John Deere 420
Model Year: 1985

I have two John Deere 420s. I bought used and being more excited than diligent, I did not realize at the time the amount of additional maintenance that was required. That being said, I am eager to learn how to maintain this wonderful piece of machinery so that it may continue to give me the work I desire of it.

Pros: Big, strong, and gits it done.
Cons: Not being knowledgeable about the equipment.

4.00 star(s)
tparslow

420 John Deere
My John Deere 420
Model Year: 1957

The John Deere 420 was my teenage tractor. It was very utilitarian back in the 50's. Great tractor with live power and excellent hydraulics. This current tractor brings me, now 70, back to those days.

Pros: Hydralics, comfort.
Cons: Steering, clutch.

Photo Uploads:

5.00 star(s)
tshell

420 John Deere
JD 420 Garden Tractor
Model Year: 1987

This replaced a Ford 12 Horse Hydro w/ 42" deck, 22 years ago. Like they say, nothing runs like a Deere. Have doubled the hours since I bought it, and it still works great, summer and winter. New favorite dealer is Kermit Kistler, New Tripoli, PA.

Pros: 60" deck makes mowing time fast. Always starts.
Cons: Onan engine, recent electrical issue with PTO/Neutral switch/TDC Module.

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John Deere 420 Owner Pages

View owner pages to see photos, customization and comments about member-owner John Deere 420s
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John Deere 420 Community Rankings

#394 user rating of 2355 25-50 HP Tractors items
#565 Viewed of 2355 25-50 HP Tractors items
#77 discussed of 2355 25-50 HP Tractors items
#998 user rating of 19625 items overall
#1658 Viewed of 19625 items overall
#143 discussed of 19625 items overall
#11 Ranking of Most-OwnerPages in 19625 items overall
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