Hi, I just bought a 2005 JD 6420 and it does not have a radio. I opened the space for the radio and all the wires are there in a harness adaptor. There is a seperate cable marked antenna but...

I have a john deere 6420 with a power quad transmission and left hand reverser. When I put in forward, it shows N and has a warning tone ( like when you put in park but the reverser is not in N)...

To begin with we had bought Jd 6420 European edition we bought it in an auction, we had started it but we have some electrical issues with it. As you turn the ignition dash indicates problems with...

Hello all. I am having a bit of an issue maybe someone can help. The farm which I work has a jd 6420. Now the tractor will not start unless the throttle is wide open, and upon starting the tractor...

Hi I am new to this I hope you can help. We have a 2004 John Deere 6420 4 wheel drive farm tractor equipped with IVT . Our problem is the tractor won't move in 2 wheel drive without engaging the...

So, the 'patient' is a 6420 with about 5200 hours that has been commercially converted (Gilbert) to a two track snow trail groomer. Transmission is power quad (16 - w/ 4 power shifts). This...

My electronic joystick is not working.icv switch is malfunctioning. I saw a post on here somewhere saying an omron d2jw-01k11 icv switch should fix problem in joystick. Has anyone changed this...

I have a John Deere 6420 and I am having some problems with it. The tractor runs fine most of the time but occasionally the tractor will decide to limit the maximum revs at exactly at 1400 rpm, I...

I am looking at a used 2006 John Deere 6420 cab tractor. 850 hours with 640 self leveling loader. MFWD Still has plastic on the seat They are asking $62K It is 250 miles away, but I am...

We have a John deere 6420 and the auto light, located near the PTO lights on the right of the cab, is always on. I cant find out what it means or why it came on. Our tractor still runs the same...

We have a John Deere 6420 and the auto light, located near the PTO lights on the right of the cab, is always on. I cant find out what it means or why it came on. Our tractor still runs the same...

we have a 6420 and the loader will only operate when it wants too and i get the message icv interlock switch, icv not functioning and i believe it had a code but i did not write it down, so does...

I have a JD 6420 that started running rough replaced both fuel filters. Noticed that fuel does not come out bleeder on filter nearest the cab. Checked fuel pump and it appears to be working good...

M trying to locate the radiator bleed valve on the jd 6420 tractor. Can anyone help me out. Thanks

Can anyone help me with the following codes for a 6420 John Deere Tractor ? 1-676-31 & 302-122-31 & 1-882-02

6420 RUNS AND IDLES ROUGH, GOT CLEAN FUEL AND FILTERS, ANY IDEA'S

Transmission overheats after operating a 926 disc mower or 348 baler for 2 to 3 hours. I've checked the obvious. Changed. Oil filters cleaned screen. Cleaned radiator. I've noticed the on my two...

I'm getting codes 306060 and 306055 error messages. John Deere refuse to come out to my farm and look at the problem, but won't give me the meaning of these codes. As I'm a diesel fitter, I'd like...

Hey all Newbie to the site, I'm hoping to find some info on the John Deere powerqaud 24 speed as used in the 6420, I have been helping a friend with this unit but now at a stand still, The...

I'm trying to find find the drain plug with the intake screen on my 6420 syncroplus 12-4transmission. The ops manual shows it on the right side. On page 115-3. No. 7. Does anyone know where it is...

Jd 6420 tractor with 12r syncroplus transmission overheats after 3 hours of operating. Tractor has 1500 hours. Fresh hydraulic oil and filter change. The manual shows a clean out screen at larger...

12r syncroplus transmission over heats after 3 hours or so pulling 926 mower conditioner heat gun reading up to 230f. Changed fluids and filter. No cleaning screen visible at larger filter as...

i have jd 6420 this morning when i started it the heater light and the i light started flashing after 1 minut.then the tractor cut out.we had a heavy frost -8c.i think the diesel could have frozen...

Tractor has some issues when temperatures are vary hot out side 3-third gear disappears in all ranges after tractor has been running for a couple of hours. It returns after tractor cools down. Rad...

I purchased a better grade radio antenna to replace the one that came on my JD 6420 tractor. The antenna is extremely difficult to get to....front right section above the cab liner. The...

I bought a M105X about a month ago I had heard they were about the same price as the JD.So I stopped by the local dealer last week and got a quote on tractor and loader and was blown away at the...

No, I didn't sell my faithful little TC25D. I was outside last evening assembling my wife's new tow behind sprayer and heard the unmistakable sound of a tractor coming up the road. It was the...