John Deere 5420 4.70 star(s) (6)

Information, reviews, photos, discussion topics, owner pages, and specifications about the John Deere 5420.
50-100 HP Tractors

About the John Deere 5420



John Deere 5420 Discussions (48)

Here are the most recent 5420 topics from our community.
  1. B

    John deere 5420

    I am having trouble finding the correct wiring diagram for my john deere 5420 download one off line but wires don't match also went to dealer they printed me of a diagram but not correct either...
  2. 356mikey

    john deere 5420 fuel injection pump

    pump governor started acting up. did not maintain rpm well at all. last shut down took about a minute to stop running. i want to fix this one, but i had another pump. other pump was installed due...
  3. F

    (2001) JD 5420 RPM loss under load

    Looking for help. 2 weeks ago I was doing some brush hogging and notice about a half hour into it that the rpm’s would drop from wide open 2500 to 21-2200 once the engine reached full operating...
  4. Septemberwheat

    John Deere 5420 wont start

    Hi, I have a John Deere 5420 2003 non cab tractor. She’s been sitting for about two months, she would start and run two months ago. I’ve had the battery on a trickle charger during that time, the...
  5. Septemberwheat

    JD5420 tech manual

    Hi guys, it’s been a while for me. I sold my 3320 and I’ve purchased a used 5420 model (1,200 hrs, no cab, 9x3 transmission) I’m excited for the upgrade. My question is this, I had the tech manual...
  6. N

    I am looking at buying a JD 5420 - Any problems?

    I am looking at a JD 5420 with cab, heat, air and loader. I have not called the seller yet as I would like to get some opinions beforehand. The tractor will be used mainly with a snow plow on...
  7. Rmart30

    Deere 5420 clutch slip and replacing

    Gotta buddy who bought a cabbed 5420 a few months back. previous owner said a clutch had been installed in the last yr or so before selling. My buddy has used it for a few months and now its...
  8. B

    John Deere 5420

    I replaced battery with a new one. Wrong connection. Big spark.Reconnected battery the right way.No start,no lights,nothing.What did I destroy?
  9. S

    JD 5420 air conditioner not blowing on both sides

    2003 John Deere 5420. The air conditioner is blowing full force on the left side, but just barely blowing on the right. I know I need to remove the top of the cab, but I'm not sure how many...
  10. W

    JOHN DEERE 5420 PTO not working

    Hello i recently purchase a JD 5420 and the previous owner replaced some gears in the tractor and when they went back together with the tractor they forgot to hook up the PTO does anyone have a...
  11. J

    john deere 5420 cab tractor

    chipmunks have broken the wires going to the neutral position switch on my tractor. how can i bypass the switch? i am not going to remove the cab so that i can splice the wires back..
  12. D

    JD 5420 Transmission part ID

    So I split our 5420 at work to replace a broken park pawl in the tranny and found these pieces laying in the bottom as well. I cannot seem to locate where they go or where they came from. I've...
  13. D

    JD 5420 rear remote upgrade

    On my 5420 (IOOS model), I currently have 2 rear remotes and am looking at upgrading to a 3 remote unit. On top of the right fender is where the handles are, and there is an empty slot for a 3rd...
  14. G

    Anyone ever replaced the parking pawl on a John Deere 5420?

    I think the parking pawl is broke on my 5420. Something is broke for sure. It won't hold in park. This is the power reverser transmission. I've checked the cable and I can see it moving the...
  15. 9

    Loader jd 5420 4-wheel drive problem

    when backing down a hill with the loader bucket full the 4-wheel drive will disengage frequently. this started several years ago but has now become frequent and bothersome. i'm wondering what the...
  16. 2

    John Deere 5420 rear wheel seal repair

    My 5420 4wd cab tractor has a rear wheel seal that has gone out and the outer bearing is bad. I see from my service manual that I must remove the entire final drive to replace these parts...
  17. 2

    John Deere 5420 lost power to dash and won't start

    I hope someone might point me in the right direction here. My 5420 was idling while I was out of the cab and shut off by itself. The problem seems electrical, the switch has no power, neither do...
  18. D

    2002 john deere 5420 no start

    Hi new to this site. I have a 2002 5420 with key in run position I have power to the fuel shut off. Turn key to start It will crank but no power to the fuel shut off. Put direct power to fuel shut...
  19. S

    John Deere 5420 Cab, no air on right side

    John Deere 5420 Cab, air conditioner has no air coming out the right side vents. Left side working fine. Removed top covers and found both left & right motors running fine. Could not see anything...
  20. R

    John Deere 5420 adjusting PTO Linkage

    I have a 5420 that is slipping when bailing hay and I am told that there is a way to adjust the linkage to take the slack out. Does anyone have any guidance on how to do this?
View all John Deere 5420 Topics  
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User Reviews (6)

Read what TractorByNet members think about the John Deere 5420 Subcompact Tractor
4.7 4.70 star(s)

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5
83 %
4
0 %
3
17 %
2
0 %
1
0 %
T
5.00 star(s)
Tomas

5420 John Deere
JD 5420
Model Year: 2004

Once I put I fuel pump on this tractor, it has been flawless.

Pros: Meets all my needs.
Cons: Fuel system design was a mess. Solved the problem with fuel pump.

J
3.00 star(s)
jnd

5420 John Deere
Starting Problems
Model Year: 0

I read the postings of this tractor being hard to start or rather starting problems. They talked about not getting fuel due to no prime opr air ion the linen clogged fuel filter, solenoid on the injection pump, but the problem that happened to me was the cold weather ignition switch located on or by the thermostat. We unplugged it and thew tractor started. There was NO FUEL COMING through the injector pump prior to unplugging the cold weather switch. Also, it would blow 20 amp fuses in the fuse box.

Pros: Easy to fix.
Cons: Pain to have starting problems such as this.

R
5.00 star(s)
rbre

5420 John Deere
JD 5420
Model Year: 2004

Have fully been satisfied with my tractor. Bought it used 4 years ago and had only 2 issues with it. One the fuel system being the strainer in the bottom of the tank and the other issue is one currently have is an electrical on with the ignition which has not been corrected.

Pros: Plenty of tractor for the work I have. A cab tractor is a must. Like a zero turn lawn mower if you ever have one you will never have any other.
Cons: Electrical and fuel system.

nolewatcher
5.00 star(s)
nolewatcher

5420 John Deere
Great Tractor
Model Year: 2004

This tractor was purchased to take the place of a 7711 Zetor. I saw it listed on the internet, and being close enough, took a Saturday and went and tried it out before purchasing it. I bought a loader for it and am well pleased with it. It is strong, both in engine horse power, and hydraulics. I've had no trouble with it. It starts well in all weather. I like the under slung exhaust.

Pros: Strong, quiet with underslung exhaust.
Cons: Power steering pump seems lacking when carrying a load on the front end.

G
5.00 star(s)
geo4555

5420 John Deere
Hi Everyone!
Model Year: 2002

.

Pros: Powerful tractor that suits all my needs.
Cons: Having trouble with the transmission slipping.

E
5.00 star(s)
edgarner51

5420 John Deere
5420
Model Year: 2003

This tractor is a joy to own.

Pros: It starts quickly every time--hot or cold--it does not seem to matter.
Cons: it doesn't have closed cab with a/c or heat.

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John Deere 5420 Owner Pages

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John Deere 5420 Community Rankings

#124 user rating of 1508 50-100 HP Tractors items
#88 Viewed of 1508 50-100 HP Tractors items
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#788 user rating of 19625 items overall
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