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...

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...

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

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...

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...

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...

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...

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...

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...

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...

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...

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?

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...

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 .

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...

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...

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...

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...

If anyone can help Tapatalk - 44 error 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.

I have been looking at Weingartz Parts Lookup for the JD 420 Loader. I am trying to determine which seal rebuild kit to purchase. It is showing four hydraulic cylinders for each style of hydro...

I have a year 2000 JD 4200 with a 420 loader and jd back hoe. 1900 hours. Tractor lives outdoors. Sometimes under carport. I was removing snow today from driveway. Cold out. 16 F. I use the snow...

Have been thinking about buying a vintage tractor for work in my food plots, and found a JD 420 listed at a local auction. I have a few questions- 1. What is the tractor capable of? Can it pull a...

I am selling a 1956 JD 420 with bicycle front end that was restored approximately 5 years ago and used no more than 10 hours since then. I would characterize it as "parade- and field-ready." Any...

hi i'm new to the forum. i need the engine spec and cylinder bore tolerances for the jd 420. the tractor has a knock and i've pin pointed the problem to the cylinder pin bushing and connecting rod...

I purchased with this problem, I will do my best to explain. early 80s JD410 Backhoe..... Backhoe, Reverser, Steering etc all work fine. Front loader is VERY slow. I am told this happened...

Recently purchased a 855 JD with a 420 loader attached. Question: Does the loader have a latch lever on both sides? Thanks.

My 420 loader bucket cutting edge is 3/4" thick. For the width that I need, 59 1/2", all of the toothbars that I see are manufactured for a bucket with a cutting edge no more than 5/8" thick so...

The battery light comes on after I mow for 20 or 30 minutes. The second I disengage the PTO the light goes off. If I keep mowing with the light on it eventually blows the 20amp fuse located...

I installed factory rubber isolator rear body mounts on my john deere 420 garden tractor. This lifted the body up about 1" and subsequently lifted the gas tank filler neck up and now the gas tank...

Any interest in a article how to relocate hydraulic pump from midships mount to rear for the 44 loader/33 Tiller? I've done it and while it takes some fabrication and machine work it's a...

I dont know if this is normal for the 420's but I have to keep holding the speed lever up when pulling. If I let go of the lever the tractor will slow down. This happens in higher gear and not so...

I have a john deere 420 with a cab and 47 snow blower does anyone have that set up and been able to get engine heat back to the cab.

I'm looking at a front end hydraulic snowblade online to buy and it has the following: M00042X576035. Will this fit on the 420?

Or it should say Im going to rebuild them as soon as I figure out how to take them apart. :) Since my last post here: http://www.tractorbynet.com/forums/hydraulics/288209-air-hydraulics.html I...

This jd 420 is my first real tractor which I recently picked up with hopes of restoring. So far I've stripped the tractor down to the frame, wire wheeled the rust off, rattle can painted...

I'm in the process of restoring my first tractor which I picked up in rough shape. I've fixed most of the issues and have these remaining ones. - The hydro pump started leaking badly. Can I fix...

I'm trying to start the engine while finishing up my jd 420 restoration. The engine ran on the gas in the carb, but once that was used up it died out. I had replaced all the fuel line, filter...

There are two types of throttle cables listed in the jd parts catalog but they dont differentiate between them. I have an 84 model 420. Do I need to get AM125290 or AM39536. They are listed as...

My 1984 JD 420 is missing the tail pipe from the muffler. Looking at replacement mufflers I notice the pipe coming out through the body is straight, however, the way my muffler sits it looks like...

I just got my first tractor a 1984 JD 420 and in the process of restoring it so I have lots of questions to come! One thing I notice is play in the steering where the hydraulic cylinder attaches...

This is my first tractor and not sure which cat 0 finish mower works on my jd 420. I tried searching but am still confused about the 2000 rpm pto thing and its rotation. Hoping someone can explain...

I'm a newbie at this tractor stuff, so bare with me. I bought a JD 420 Garden Tractor with a type 40 loader on it. I know this is the wrong loader, it should be a type 44. Nonetheless, this is...

Hi all, Looking for some help on a electrical problem that is driving me nuts. Tractor is a Mid 80's JD 420 lawn tractor with front and rear pto's and a front loader. My problem is with the pto...

I'm attempting to replace all the short hoses on my JD 420 loader. Last week I busted a cylinder rod and I ordered some aftermarket bucket cylinders from surplus center. They come with SAE 8...

My tractor runs fine at low and mid throttle. But if put it up to full throttle, it wants to die. If pull choke out half way, it runs fine again. I've used carb cleaner ' spray ' in the past when...

I have a 1958 John Deere 420 that is an easy restore. I have all the documentation including original bill of sale and complete history. Also have a 420 crawler (almost complete) for parts as...

Just trying to find some honest opinions on the B series engine. Tractor has nearly 1500 hours, doesn't smoke, and runs great. Does have an oil leak which I have not located yet. What's with all...

Hi everyone! New to the board! I have two JD 420's. One, I've had for several years and had been working just fine until about two months ago. Now when I turn the key all i get is a click. i've...

I have a 1986 JD 420 that doesn't want to start. I have replaced the starter and ignition switch and all I get is a click when I turn the key. When I install an ignition switch from my 300 it...

UPDATE: Found It! 1990 JD420 L&G - Hr Meter Location Hello, I am looking at the above and there does not seem to be a meter for hours. I see many units advertised with hrs listed. I see no...

I am looking for a snow blower for a j d 420. I was wandering if anyone has one they would like to part with.

IM replacing the yoke on the transmission end of my driveshaft. The u joint " cross " is not bad. Should I replace both anyway since I have it off and working on it ? Or, don't fix what ain't...

Anyone know where to get a trans shaft cheaper than JDParts.com ? They want $550. the yoke from the drive shaft has worn the teeth on the trans shaft. And the drive shaft then in turn wobbles...

Ok. I've learned how your supposed to go about changing the u joints on the drive shaft. Now, I'm trying to figure out how to get the driveshaft out. I took the four bolts out where it's connected...

I need some help on how to get my u-joints out of my 420 drive shaft. Where the driveshaft connects to the transmission , the u joint that's on the transmission is loose ( wobbly ) which in turn...

My 1984 420 runs great. It just vibrates and rattles everywhere. Any tips? I know mine can't be the only one. I had some 200 series that did the same thing Sent from my iPhone using TractorByNet

Knew guy to TBN. So after a lot of research on jd garden tractors I settled on a older model 420. They seem to built like a little tank versus the newer ones. After looking for a nice one for...

Just purchased a 420 w/the B48g engine. It is running like it is too rich. I cannot find the "fuel " screw on the carb, just the air mixture screw I believe. I've read elsewhere people with the...

Just bought a JD 420 for deer food plot work. Really need a rear PTO gear box!

Hello, I seem to have misplaced my 1958 JD420 IT Shop manual, can anyone look in there manual and tell me the secret to getting the distributor set in the proper spot before tightening down the...

I have this J D 420 that I needs attachments for since I need a mower & and a loader & shredder & hoe:& make it easy on me thats going to be alot of money. rickhawley@valornet.com

I have this JD 420 mower I need several attachments for it such as , loader;belly mower; shredder ; backhoe; Tell me what you might have and price or where is a reasonable place to go to for info...

While mowing today, my 420 lawn tractor started shaking. I thought it might be mower deck related so disengaged it. Tractor continued to shake. Then thought it might be because of a bad spark...

I have a John Deere 420 garden tractor. I was wondering what the biggest category 0 attachment mower available is? I don't have heavy weeds. I was looking for a 3 point attachment or pull type...

Anyone know where I can find a front end loader that will fit my John Deere 420 tractor. I think the factory model was a 44 model. I cant seem to find anything on the net. Thanks B

Have a late '80's John Deere 420, Onan engine, and all of a sudden the battery light came on, next the mower deck stopped. When I put it in forward (hydro) it began to die. To get it back to the...

Have a late '80's John Deere 420 Onan engine, and all of a sudden the battery light came on, next the mower deck stopped. When I put it in forward (hydro) it began to die. To get it back to the...

OK, my 420 loader on Deere 4400 would not stay up. Not just not stay up, it would drop six inches in two minutes. It did't happen with my snow plow, so I figured it was not the valve on the...

I'm new to this forum and also new to JD tractors. I bought a JD 420 garden tractor over a year ago and really enjoy cutting grass with the machine because it saves so much time over the JD 165...

Does anyone have the lifting specs for the JD 420 loader? Can't seem to find anything on JDs web site. Thanks

I'm going to look at a John Deere 420 on Saturday. 20HP Onan, FEL (bucket and pallet forks), 3pth, PTO, 60" mowing deck, 48" tiller, wheel weights, and fluid filled bar tires on the back. $6900...

Hello Again: The quick hitch on my John Deere FEL was almost worn out. The lower pin holes had walled out to the point that it was difficult to change attachments without getting off the tractor...

Hi Folks, I'm a newbie & I'm not sure if I'm in the right section; please let me know. Anyhow, I'm looking for a complete front end loader including the arms, hoses, controls & a 4' bucket...

Hello...I have been looking at Ford 8Ns, etc...and alternatively at new(er) JD 3320, etc. Only had garden tractors and looking for an entry point Today I see what appears to be a very nice JD...

i've got a chance to pick up a John Deere 400 garden tractor that has a blown engine. I've got a JD 420 that I'm trying to keep running. I'm wondering how many of the parts are...

OK...so..my kids ran the tractor out of gas and then I think they ran the battery down by cranking the engine a bunch trying to restart it. It sat for a few days and now only makes a clicking or...

OK,,, the trusty twenty old 420 was pronounced dead today (zero pressure in one cylinder :( ): Dealer not too hot on repair (est=2200). Not too hot on new engine,either. I can buy the dealer...

First post. Great Site. Need advice on my 420,,,info: about 20 years old, 600 hours, fluids/filters well maintained, no oil burning, synthetics, 60" deck, 54" snow blower, always a 'runner'...

Does anyone know how much a 420 fel weighs? I've looked at all the paperwork that I have but nothing tells me the weight. JP.

Hello everyone! I'm new to the website and new to having a garden tractor. I just purchased a house with 3 acre property that needs a bit of work. Initially, I'd like to remove sod for doing a...

I'm looking at the JD model 420 riding mower (circa 1983-91, not the 420 tractor) and have a few questions about it. First, any overall opinions for a lot about with about 2-3 acres of grass, and...

Ive been floating around here for a month or so now and now have a need to post so, I registered! We owe about 40 acres in WV. 2 Seperate locations... 20 is very rough rocks and never gets used...

Where can a person buy a JD 420 FEL bucket position idicator on line? I tried looking on the JD home page with no luck.

Does anyone know what size the inside is on a 420 bucket for installing a tooth bar? I'm not where my tractor is and cant measure mine and wanted to buy one while I was on the road, Any help...

Hello, Not sure where this best belongs so I'm posting this both here and the Attachments forum. I'm looking for a good used L&G tractor to add equipment for my excavating/landscaping...

Hello, Not sure where this best belongs so I'm posting this both here and the L&G tractor forum. I'm looking for a good used L&G tractor to add equipment for my excavating/landscaping...

I have a onan 20hp gas engine and am wondering what the cyclinder compression should be? Hour meter states 600 hours but I bet its double that. reason for the question is that I am loosing oil and...

I have a JD420 Garden type tractor/mower The engine is a onan 20 hp and just started tonight blow ALOT of oil out the vent in the top of the engine that goes into the air filter. I am assuming...

I have a 420 lawn tractor and I am having a issue with the govenor I think. It pulses preety bad at low rpm, like the govenor is messing up so I thought I would see about the ajustment procedure...

ANY ONE HAVE ANY INFO/MANUALS ON JD420 LAWN TRACTOR? MOWER WILL NOT ENGAGE. THANK YOU IN ADVANCE!!!!

UNABLE TO CUT GRASS, MECHANISM NOT ENGAGING. MOWER CARRIAGE WILL RAISE AND LOWER. ANYONE HAVE ANY IDEAS???? THANKS

I have a JD 420 lawn tractor with a oil light gremlin, it seems that for no reason every once in awhile the oil light will come on and then go off after I hit a bump or something like that. I have...

There is a snow blower advertised in an area shopper for a JD 420 with a sub frame, weight box, chains, and a hard cab for $500. He didn't know the model number and it is described in excellent...

I recently purchased a JD 420 garden tractor at auction. The tractor runs really nice when it will start. The starter is not properly engaging with the flywheel. I had the starter off, and can...

I have a jd420 gas engine that just started this problem. When I hit the pto seitch for it to start the mower deck it comes right on the runs for about 10 seconds then dies , Then I let the mower...

When I had my tractor in at the dealers while they were putting the Cab on it, I had them go through the whole machine, and if they saw anything that needed changing or fixed to go ahead and do...

I have JD 420 Lawn and Garden tractor. I am having a problem blowing the main 20 amp fuse when engaging the PTO. After replacing the fuse the tractor starts and runs fine untill the PTO is...

My JD 4300 has a 420 FEL with a 61" outside width bucket. I need to know the inside width at the lip to order a tooth bar. The tractor is 500 miles South, and I am not close to a dealer. I would...

I am considering buying an 11 year old JD420 with 900 hours. The asking price is $5000. It has been kept-up well and appears to run ok. the other option is of course buy a newer model like a...