Designing the New Generation John Deere Tractors by Merle Miller: 2510, 3020, 4020 Row-crop Tractors published in 1965, by John Deere: Tractors 1918-1976 published by John Deere * John Deere Tractors for 68 published in 1968: Standard and 4-Wheel-Drive Tractors: 70 to 280 HP published in 1970, by John Deere: Modern Farming published in 1965, by ...#1. 4020 synchro has a dry clutch and the tranny is not particularly notorious for jumping out of fear under ANY conditions unless badly worn. Powershift still has a dry clutch at the flywheel, a "torque limiter", and in the earlier serial numbers it can be disengaged with a separate little lever to make cold weather starting easier.Take disc, and slip it on the front of the small shaft and see if the PTO shaft moves in the rear when disc is turned. Ask Your Own Agriculture and Farm Equipment Question. Ok. Mechanic: Curtis B. Might all be good. Ask Your Own Agriculture and Farm Equipment Question. when spinning it the the pto still isn’t spinning. Mechanic: Curtis B.4020 Starting Problems. Hello! I am trying to get my Dad's 1969 4020 started this winter so I can move some snow. I have tested both batteries (two 6 volt connected in series) and they are good. I have replaced the starter relay (please correct the terminology if it's wrong - I'm referring to the canister that sits at about knee level when ... Re: 4020 Diesel Fuel Gauge Problems in reply to MaverickM23, 01-06-2006 14:38:20. Sounds like the battery is hooked up correctly. Now to wire gauge the positve goes to ground on the tractor. The negative should go to the wire that is connected to ignition switch. Then the other wire is from the sending unit. John Deere 4020 technical data: dimensions and weight, engine and transmission type, oil type and capacity, wheels and tires, full specifications and description. Toggle navigation. Tractorspecifications.com. Farm; Lawn&Garden; Home; Farm; Deere; John Deere 4020; John Deere 4020 (0 votes, average: 0.00 out of 5) Overview; Engine;Good morning, Our '72 4020 leaks significantly from the steering motor pinion seal during cold weather operation. The colder the weather, the worse the leak. For reference, last week when operating at - 20 F, the leak was a steady stream. Once the tractor and/or ambient temp. warms up the leak stops or slows to an imperceptible amount.If you’re in the market for a new John Deere tractor or are looking to sell one that you have on your farm, you’ll want the most relevant pricing information that you can find. Rea...We list the companies that pay for ideas. We researched invention companies that buy ideas and companies that buy app ideas. While we were unable to find any legitimate companies t...Apr 27, 2015. #1. (quoted from post at 16:34:03 04/27/15) Started 4020 other day ran 5min and died. Wouldnt start. Tracked it down to what I thought. was an injector pump. Had it rebuild still not. starting. So far I have cleaned all the fuel lines and.Well-known Member. Nov 3, 2009. #1. I have an early 4020 and I just put an overhaul kit in the brake valve. I put everything back together following my JD service manual. Then I bleed the brakes. Now the brakes are totally locked up. The tractor won't move. But if I open the bleed screws, it will move. The John Deere 5.9 L, 5,930 cm 2, (362 cu·in) six-cylinder LPG / gasoline engine with 108.0 mm (4.25 in) of cylinder bore and 108.0 mm (4.25 in) of piston stroke. The compression ratio rating is 7.5:1 for gasolibe version and 9.0:1 for LPG-version. Following attachments are available for John Deere 4020 farm tractor: John Deere 148 front ... When it comes to maintaining and repairing your John Deere tractor, you want to make sure you’re using genuine John Deere parts. Not only are genuine parts designed specifically fo...John Deere has been a household name in the agriculture industry for over 180 years. With their commitment to innovation and sustainability, they have become a leader in the manufa...Re: 4020 NOISY hydraulics in reply to buckeye al, 05-24-2002 14:33:20. SOUNDS LIKE YOU HAVE SURGEING OIL MAKING THE PRESSURE CONTROL VALVE MOVE BACK AND FORTH. YOU PROBABLY HAVE A PISTON HANGING UP OR A LEAKING INTAKE OR EX-VALVE IN THE PUMP. A PRESSURE GAUGE WILL SHOW THIS SURGE.Posted 3/26/2011 07:09 (#1690797) Subject: 4020 generator light issue solved. West Central Iowa. Following up on the dim generator light issue on my 1964 4020 diesel, open station tractor from last night. After doing some more checking, it became obvious that there still had to be a resistor in the circuit of the generator light.John Deere 4020 technical data: dimensions and weight, engine and transmission type, oil type and capacity, wheels and tires, full specifications and description. Toggle navigation. Tractorspecifications.com. Farm; Lawn&Garden; Home; Farm; Deere; John Deere 4020; John Deere 4020 (0 votes, average: 0.00 out of 5) Overview; Engine;There are a number of places to find genuine John Deere parts and aftermarket John Deere parts, depending on your budget and specific needs. The John Deere website, official John D...Owner replaced generator with alternator because the 4020 is indeed a hoss. Designed to run on row crops all day at full speed. Off and on hay use would not keep the batteries charged. Alternator supposed to charge better at slower speeds and shorter run times. At least that is why the owner said he swapped it out.Deer are abundant on our farm, but for most of the summer, they've left my garden well enough alone until I went out of town of vacation. Expert Advice On Improving Your Home Video...Mar 28, 2024. #3. More likely a dirt problem rather than a mechanical problem. Suggest you clean the suction screen, replace the filter and change the hydraulic oil. Idle the tractor for a few minutes and check the hydraulic operations. If the problem persists, then check oil flow and pressures.Jan 25, 2017 · Jan 24, 2017. #1. My dad is working on a John Deere 4020. His three point hitch won't raise. This is his question: "I replaced the load control shaft and seals at the bottom of the transmission. I put the load control level in "D" before this. I also put new oil in it. Now the three point hitch won't raise." 4020 starting problems. My '64 4020, has issues with not turning over fast enough to start. Reasonably new starter, new batteries 550 cca, new cable clamps. Had a mech. look at it, and came down to ground strap corrosion. Installed new ground strap, (24v pos. ground system) connected right to diff bolt, after filing to clean metal.Posted 9/15/2016 07:31 (#5529719 - in reply to #5529707) Subject: RE: 4020 shifting problems. Southern Pa. IaAngus - 9/15/2016 08:23. Syncros are probably worn. Requires a double split and teardown of top shaft in tranny IIRC. Usually when synchros are worn the problem is excessive grinding when trying to shift.1) The 4020 in question is a front console, manual PTO. 2) It had been making a whining noise with the PTO running for a while, apparently coming from the stack of gears between the bell housing and the transmission. 3) My brother in law was round baling, heard a loud bang and the tractor stalled out. He disengaged the PTO and the tractor drove ...Super busy on the farm preparing for fall harvest. #farming #farm #georgiasouthern #johnDeere #tractorDec 13, 2007 · Hello all, Have a problem with my 4020. This past summer - if the tractor sat for more than 2-3 days...it wouldnt start. At the time - was a 24v system. 1st thing I did was replace the battery's - 2 brand new JD 12v's. Seemed to help for awhile - but not long and was back to not starting... The 24 volt 4020 - is it a positive ground system? Is it the original 24 volt system where it is 12V negative ground from one battery and 12V positive ground from the other battery and is isolated from the chassis? The generator, voltage regulator and starter are all 24 volt and are a totally isolated system, 12 volt is drawn off for everything ...Super busy on the farm preparing for fall harvest. #farming #farm #georgiasouthern #johnDeere #tractorJul 29, 2016 · Both transmissions were pretty darned tough, but today the newest are 44 years old. I have 2 syncros and 1 power shift (4020s), plus a 2510, 3020, 4320. As far as sales data goes, it is sort of a guess. It would be a fair guess to say in the earlier years, (64-68) the 4020 sales were probably 35-40% power shift. The hydraulic system of your John Deere 4020 is essential for operating various attachments and implements. If your tractor’s hydraulic system is not working properly, it can affect the tractor’s performance and make it difficult to operate. Most problems on machines like the John Deere 4020 arise from … See moreWest Central Iowa. If the sump screen was "completely plugged" you need to pull the final drives, repair the brakes and clean the rear end housing out and THEN start to sort out your hydraulic problems. Your problem may be caused by foreign material in the pump stroke control valve & the screen in the stroke control valve housing.Apr 21, 2012 / John Deere 4020 ?electrical? problem #2 . pjbci Platinum Member. Joined Feb 10, 2012 Messages 790 Location Summit. Ms Tractor JD 4840, Deere 5075e, 450j, Cat D4k2, Kobelco 160, Volvo EC140el, deere 310, komatsu D31px22, IH …Flat Threaded Nested. John Burns. Posted 2/8/2008 19:03 (#304844) Subject: Harmonic crankshaft balbncers on John Deere tractors. Pittsburg, Kansas. We have both 8000 and 9000 series JD tractors. Winter service at the dealers this year the mechanic was on us to replace the harmonic balancers on about all of them. Did not do it.1. Electrical System Is Not Perfect. In fact one of the most common problems that farmers face with their John Deere 4020 is with electrical issues. If your tractor has an electrical problem, it can be frustrating and time-consuming to diagnose the issue.I finally wrapped up the camshaft / injection timing problem I posted about here. http://talk.newagtalk.com/forums/thread-view.asp?tid=677275&DisplayType=nested&setCookie=1 Ag Talk member pirlbeck nailed the problem, a bad camshaft from Reliance.4020 3 point trouble. This is my first post here, so here it goes.... I have a JD 4020D, powershift tranny tractor, serial #90XXX with an issue. My 3 point hitch doesn.t work correctly. First thing is the rockshaft selector has only ever worked in the LD posistion, which has never really been a problem. When I place it in the L or D posistion ...Aug 13, 2020 · 6 posts · Joined 2020. #1 · Aug 13, 2020. I have a John Deere 4020 and the power steering has stopped working in one direction. When this tractor was evening used daily we never had any trouble with the steering. Now that it only gets used very little we have steering trouble. Is this problem in the steering column or would it be in the pump? But the 4020, 4230, etc. use large-frame starters the larger starter-solenoid can sometimes draw - or surge close to 20 amps. When hooked directly to a standard ignition switch or push-button - that gets a little worn - it can cause a problem. Using the extra relay in-between takes the load off the ignition switch. Aug 2, 2011 · The 4010 and VERY early (IIRC, pre-'65) 4020 tractors DO have a 3rd reverse. The later early models and on only have 2 reverse gears that are sped up. The the early ones, 1st reverse is the same speed as 3rd forward, 2nd reverse is like 5th and 3rd reverse is like 7th. So, 3rd reverse is 12mph. Great for plowing snow. :rock. The back and forth could also be over driving the tractor. It takes a steady hand and very little steering on the HWY. Without seeing it first hand it's hard to tell if you have a problem or it's the above. It's very easy to overdrive a 4020 on the road. It occasinaly cycles to the left about 1/4 turn without moving the steering wheel and needs ...Jul 26, 2016 · 1) The 4020 in question is a front console, manual PTO. 2) It had been making a whining noise with the PTO running for a while, apparently coming from the stack of gears between the bell housing and the transmission. 3) My brother in law was round baling, heard a loud bang and the tractor stalled out. He disengaged the PTO and the tractor drove ... Weird shifting problem - JD 4020. We have a 1969 John Deere 4020. A while back I began having shifting problems: If I put it in 5R, I need to fully let out the clutch for at least a 2 full seconds, or I will only be able to shift it into 5, 4, and 7. If I don't fully let it out, I'll have to turn the tractor off, turn it back on, place it in ...Posted 12/27/2014 19:57 (#4268716 - in reply to #4268682) Subject: RE: JOHN DEERE 4020 HYDRAULICS. +1. To check your driver valve remove return hose to tractor and hold in a bucket. Start tractor and open supply to driver. If oil flows through driver valve in neutral the valve will have to be converted for use with the 4020 closed center system ...#1 · Dec 8, 2020. My '64 4020, has issues with not turning over fast enough to start. Reasonably new starter, new batteries 550 cca, new cable clamps. Had a mech. look at …Report to Moderator. Re: 4020 gas distributor in reply to Ryan, 10-19-2004 08:28:20. I would suggest doing a compression test on it warm up the engine first then make sure the choke is not shut and the throttle is full open to allow air to enter freely. Won't hurt to check the adjustment on the rocker arms for proper clearance.JD 4020 Diesel Charging Problem. Jump to Latest Follow ... John Deere 4066R Deluxe Cab, 440R MSL Loader, AY11E72 4-in-1 Bucket, 485A BackhoeThe John Deere X300 tractor is one of the most popular and reliable tractors on the market today. It has been a staple of farms and gardens for years, and its versatility makes it ...Jan 25, 2017 · Jan 24, 2017. #1. My dad is working on a John Deere 4020. His three point hitch won't raise. This is his question: "I replaced the load control shaft and seals at the bottom of the transmission. I put the load control level in "D" before this. I also put new oil in it. Now the three point hitch won't raise." John Deere tractors are made in America at a number of plants throughout the country, primarily in Illinois and Iowa. Many of these factories offer guided tours that provide an ins...A pressure mark is a sign of physical damage to the inside of an LCD screen. It is related to, but not always synonymous with, the problem of dead or stuck pixels. Usually it is no...President Joe Biden just signed a sweeping executive order that will create right-to-repair rules for cellphone companies, as well as big ag companies like John Deere. Who would be...15 Jan 2021 ... how to operate john deere 8 speed synchro transmission.11 Jun 2016 ... Comments8 ; John Deere 4020 Injector Pump Problems! PatrickShivers · 7.5K views ; John Deere 4020 diesel fuel system bleeding - zeketheantiquefreak.Jan 28, 2017 · Posted 1/28/2017 23:15 (#5801298 - in reply to #5801223) Subject: RE: conclusion to 4020 camshaft / injection timing problem. Eastern Iowa. The cam gear would not clear the cast hydraulic pump support and if that was removed it would have hit the steering box. Cam barely cleared the steering box with gear removed. Mar 28, 2024. #3. More likely a dirt problem rather than a mechanical problem. Suggest you clean the suction screen, replace the filter and change the hydraulic oil. Idle the tractor for a few minutes and check the hydraulic operations. If the problem persists, then check oil flow and pressures.Mar 28, 2024. #3. More likely a dirt problem rather than a mechanical problem. Suggest you clean the suction screen, replace the filter and change the hydraulic oil. Idle the tractor for a few minutes and check the hydraulic operations. If the problem persists, then check oil flow and pressures.Apr 13, 2009 · 5. Inspect and clean screen and magnet in screen. (previous owner said he had one installed in the screen when serviced a few years ago) 6. Refill with new new fluid and install new filter. 7. Reinstall coupling and check pressure and flow from main pump. Posted 12/27/2014 19:57 (#4268716 - in reply to #4268682) Subject: RE: JOHN DEERE 4020 HYDRAULICS. +1. To check your driver valve remove return hose to tractor and hold in a bucket. Start tractor and open supply to driver. If oil flows through driver valve in neutral the valve will have to be converted for use with the 4020 closed center system ...Slow cranking and short solenoid life is a symptom of a 4020 that needs an auxiliary cranking relay installed. The stock cranking wiring is too light for the load and allows the solenoid to trip in /out of contact like a machine gun, leading to slow cranking and short solenoid life.Common John Deere transmission issues can vary by model, but a typical issue is the machine not moving with the engine running. One cause of this issue is the transmission oil bein...Report to Moderator. Re: 4020 gas distributor in reply to Ryan, 10-19-2004 08:28:20. I would suggest doing a compression test on it warm up the engine first then make sure the choke is not shut and the throttle is full open to allow air to enter freely. Won't hurt to check the adjustment on the rocker arms for proper clearance.Subject: Re: 4020 powershift problems. ecmn. the reverse issue is just the lever under the dash. a little weld build up and grind to new shape makes it right. the park you can look down on the right side and see if the linkage moves the little lever down there. some times the roll pin breaks so the paw doesn't lock.The 4010 and VERY early (IIRC, pre-'65) 4020 tractors DO have a 3rd reverse. The later early models and on only have 2 reverse gears that are sped up. The the early ones, 1st reverse is the same speed as 3rd forward, 2nd reverse is like 5th and 3rd reverse is like 7th. So, 3rd reverse is 12mph. Great for plowing snow. :rock.John Deere Tractors Discussion Board: JD 4020 transmission pump problems [ Expand] [ View Replies] [ Add a Reply] [ Return to Forum] Posted by allenhughey on November 14, 2009 at 22:57:37 from (66.203.227.81): I have a 1972 4020 with syncro transmission. The tractor looses power when climbing any kind of small hill.6 Jan 2019 ... This video is about doing a quick repair job on my uncle's JD 4020 PowerShift. Hi, I'm Organic Dairy Farmer from Northeast South Dakota.Dec 13, 2007 · Hello all, Have a problem with my 4020. This past summer - if the tractor sat for more than 2-3 days...it wouldnt start. At the time - was a 24v system. 1st thing I did was replace the battery's - 2 brand new JD 12v's. Seemed to help for awhile - but not long and was back to not starting... Aug 13, 2020 · 6 posts · Joined 2020. #1 · Aug 13, 2020. I have a John Deere 4020 and the power steering has stopped working in one direction. When this tractor was evening used daily we never had any trouble with the steering. Now that it only gets used very little we have steering trouble. Is this problem in the steering column or would it be in the pump? The common problems with the John Deere 4020 include fuel system issues and electrical problems. The John Deere 4020 is a reliable tractor that has been used …If it's a side console tractor it can be in the PTO valve. 4-Plate on the bottom of the rockshaft housing is cracked or loose. 5-possibly an internal leak in the main pump, but not likely. 40/20vision. Posted 12/22/2014 22:24 (#4258913 - in reply to #4258865) Subject: RE: John Deere 4020 hydraulic problem.Subject: JD 4020 steering problem. Culbertson, MT. Neighbor has a 4020 with troubles. Steering wheel takes it to the left fine. To the right, the wheel turns fine …how to operate john deere 8 speed synchro transmission4020 Powershift - Shifting Issue. I have a 1966 4020 Powershift, lot of hours but fairly well taken care of. Shifts into reverse fine ---- when switching to forward it wants to miss. I have to shift back to reverse and then back to forward to get it to hit. Sometimes it will miss again, other times it picks right up like it should.Re: 1967 4020 generator problems in reply to GLEN J, 12-04-2006 06:56:42. See if you have 12 - 14.5 or 24 - 28 volts if a 24V system on battery terminals with a voltmeter indicating enough charging. If not check wiring, regulator, grounds, terminals, cables or pull generator and have it bench tested.john deere 4020 problems By tqmachinery.com 23 January 2024 25 January 2024 Reading Time: 12 minutes Discover the John Deere 4020: Delve into our expertly crafted digital collection and explore the captivating history and legacy of this legendary tractor — an illustrious cornerstone in the annals of agricultural machinery.The John Deere 4020 is a reliable tractor, but it does have its fair share of problems. From transmission issues to hydraulic leaks, the 4020 can require regular maintenance and repairs. However, with proper care and attention, these problems can be minimized, allowing farmers to continue utilizing this iconic piece of machinery for years to come.The check valve in the early 4020 was at the transmission pump and is prone to failure to cause loss of all hydraulics with the clutch pushed in on the SR tractors. The side console 4020 moved that check valve up front and up top so if it leaks it doesn't drain the cooler/reservoir. I have a web page mostly on that check valve and its fix which ...May 8, 2014 · The original 24 volt 4020 can be hard on batteries if its not run several hours per start. Its sure to take at least 300 amps for ten seconds starting but the generator only puts out 10 amps, so it take a long time the recharge. Aug 30, 2013 · I mentioned couple weeks ago picking up a 4020 w/powershift at local auction. It was 1 owner but we knew the maint was very poor... Changing all fluids and filters --expecting to see some gremlins pop up. Our issue now is the powershift going forward works great. Reverse, not so much. Good morning, Our '72 4020 leaks significantly from the steering motor pinion seal during cold weather operation. The colder the weather, the worse the leak. For reference, last week when operating at - 20 F, the leak was a steady stream. Once the tractor and/or ambient temp. warms up the leak stops or slows to an imperceptible amount.5. Inspect and clean screen and magnet in screen. (previous owner said he had one installed in the screen when serviced a few years ago) 6. Refill with new new fluid and install new filter. 7. Reinstall coupling and check pressure and flow from main pump.Posted 1/28/2017 23:15 (#5801298 - in reply to #5801223) Subject: RE: conclusion to 4020 camshaft / injection timing problem. Eastern Iowa. The cam gear would not clear the cast hydraulic pump support and if that was removed it would have hit the steering box. Cam barely cleared the steering box with gear removed.John Deere 4020 - Problems and repair. Yesterday I discovered trouble with my John Deere 4020. Diesel will not crank. Tell me please what could be the damage? You must use the recommended fuel grade. Drive high pressure fuel pump is broken. Check and repair. Wrong fuel injection pump timing. Adjust if needed.John Deere 4020 for sale. The John Deere 4020 is arguably the most popular tractor John Deere ever made. It's available with gas, propane, and diesel engines, and includes front-wheel assist. The 4020 is a mid-size tractor. BigIron Auctions helps keep America’s farmers running. Each week on our online auctions, you’ll find thousands of ...The John Deere 4020 may experience problems regarding the hydraulic, clutch, steering, powershift, and PTO mechanisms. Worn-out, damaged, and loose components and linkages are the majority of reasons for the problems.John Deere 4020 12-Volt Wiring Common Issues and Troubleshooting Tips. The John Deere 4020 is a popular tractor model among farmers and enthusiasts. However, like any other machinery, it may encounter wiring issues from time to time. Here are some common problems and troubleshooting tips related to the 12-volt wiring on the John Deere 4020: 1.Aug 15, 2016 · You're welcome. Sorry but I think you'll need to remove RS valve housing to resolve the 3 pt problem. 1st I'll suggest to acquire a 5000# gauge and check stand-by pressure. If stand-by pressure isn't above 1700 psi the priority valve would be blocking pressure oil to 3 pt. Stand-by pressure should be 2250 psi. According to John M. Eades, author of the book "Gambling Addiction," people with gambling problems often find themselves deep in financial debt. To finance their addiction, problem...1967 model 4020 John Deere Power Steering. Has anyone experienced blow out of the small 3/16 th return line AR 32771 Pipe, bleed, junction block to steering valve Sub to AR48233 (item number 4 in the parts book) under steering oil pipes. I've replaced the original steel line with the 250 psi replacement hose and ends from John …11 Jun 2016 ... Comments8 ; John Deere 4020 Injector Pump Problems! PatrickShivers · 7.5K views ; John Deere 4020 diesel fuel system bleeding - zeketheantiquefreak.New User. Jul 10, 2009. #1. Looking for advice on a older model (1966)John Deere 4020 with the dash-mounted shifter controls. Syncro-Range Transmission. Last year I started having problems getting into third and low reverse gears (these two gears works out of the same slot). This year it gotten worse to the point I can’t get into these at all.The check valve in the early 4020 was at the transmission pump and is prone to failure to cause loss of all hydraulics with the clutch pushed in on the SR tractors. The side console 4020 moved that check valve up front and up top so if it leaks it doesn't drain the cooler/reservoir. I have a web page mostly on that check valve and its fix which ...
Mar 8, 2024 · Rockford, Michigan 49341. Phone: (616) 545-7021. visit our website. View Details. Email Seller Video Chat. 1972 John Deere 4020 Late 72 serial number Deluxe big fenders Correct 72 wide front This an excellent original paint tractor Starts runs and drives great Double stack front weight Kids 1 se... See More Details. . Kenyatta butler
Report to Moderator. Re: 4020 gas distributor in reply to Ryan, 10-19-2004 08:28:20. I would suggest doing a compression test on it warm up the engine first then make sure the choke is not shut and the throttle is full open to allow air to enter freely. Won't hurt to check the adjustment on the rocker arms for proper clearance.Total for the rebuild was $700 but was still cheaper than buying a reman brake valve, at least according to the local JD dealer anyway. Good News....the original brake valve was rebuildable. It solved the entire problem and it stops great. No more wheel lock up. The JD 4020 is now ready to go back to work.Mar 28, 2024. #3. More likely a dirt problem rather than a mechanical problem. Suggest you clean the suction screen, replace the filter and change the hydraulic oil. Idle the tractor for a few minutes and check the hydraulic operations. If the problem persists, then check oil flow and pressures.Owner replaced generator with alternator because the 4020 is indeed a hoss. Designed to run on row crops all day at full speed. Off and on hay use would not keep the batteries charged. Alternator supposed to charge better at slower speeds and shorter run times. At least that is why the owner said he swapped it out.Take disc, and slip it on the front of the small shaft and see if the PTO shaft moves in the rear when disc is turned. Ask Your Own Agriculture and Farm Equipment Question. Ok. Mechanic: Curtis B. Might all be good. Ask Your Own Agriculture and Farm Equipment Question. when spinning it the the pto still isn’t spinning. Mechanic: Curtis B.I mentioned couple weeks ago picking up a 4020 w/powershift at local auction. It was 1 owner but we knew the maint was very poor... Changing all fluids and filters --expecting to see some gremlins pop up. Our issue now is the powershift going forward works great. Reverse, not so much.9 Feb 2016 ... John Deere Model 4020 Serial 22T 89000 1964 with Synchro-Range standard transmission. Parts for the rebuild (three bushings, two roll pins ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Oil pumps have pickup screens that will stop a large part like a screw from being picked up, however, small bits of a broken shaft may pass through the openings and lodge in the rotors of the pump. If you did spin a bearing, plan a full lower end rebuild. 2010 3320 Cab. Loaded R3's, 300CX w/3rd SCV. 61" HD-Tooth Bar, 72" HD-bolt-on edge ...13 posts · Joined 2015. #1 · Nov 4, 2015. Gents, I have a 1964 4020 with the original 24 volt starter. Recently, after trying to start the tractor I noted the starter ran on after I released the key from the start position. The only way to stop the starter from turning was to removed the left battery terminal which resulted in a large spark.4020 History. 4020 Fans; Models 4020, 3020, 4000 - Fan Letter; 4020 Photos; 4020 Serial Numbers; 4320 (Super 4020) "'The Long Green Line (tm)' of John Deere Tractors has included several that were classic - the models 'D', 'A' and 'G', among others. But none wears that designation more deservedly than the 4020. It was the most popular tractor of …Re: 4020 NOISY hydraulics in reply to buckeye al, 05-24-2002 14:33:20. SOUNDS LIKE YOU HAVE SURGEING OIL MAKING THE PRESSURE CONTROL VALVE MOVE BACK AND FORTH. YOU PROBABLY HAVE A PISTON HANGING UP OR A LEAKING INTAKE OR EX-VALVE IN THE PUMP. A PRESSURE GAUGE WILL SHOW THIS SURGE.JD 4020 Diesel Charging Problem. Jump to Latest Follow 21 - 33 of 33 Posts. 1 2. R. RLstangs · Registered. Joined ... A forum community dedicated to John Deere tractor owners and enthusiasts. Come join the discussion about towing, PTO’s, reviews, attachments, modifications, troubleshooting, maintenance, and more! ...New User. Jul 10, 2009. #1. Looking for advice on a older model (1966)John Deere 4020 with the dash-mounted shifter controls. Syncro-Range Transmission. Last year I started having problems getting into third and low reverse gears (these two gears works out of the same slot). This year it gotten worse to the point I can’t get into these at all.Dec 6, 2022 · Phone: (701) 707-1502. visit our website. View Details. Email Seller Video Chat. 1966 John Deere 4020 Tractor, 7076 Engine Hours, 2WD, Front weights, Rear PTO, Rear 3 point hitch, 2 owner machine, Good runner, ready for new owner! Do you have equipment you want to s...See More Details. Coyote Flats, Texas. Nov 15, 2009. #1. allenhughey [/quote] have a 1972 4020 with syncro transmission. The tractor looses power when climbing any kind of small hill. I have gotton the tractor stuck a few times and the rear tires can not even get moving at high rpm in lowest gears. Traction/drive clutch is slipping which in turn causes trans ...Dec 11, 2023. #7. The original grade 5 bolts were torqued to 115 and re-torqued again after engine was warmed up to. operating temperature. Loosen one bolt at a time in sequence pattern and re-tighten it. You will. see they will turn down another 1/8 to 1/4 turn depending on length of bolt. The old replacement.John Deere Ag Tractors . Deere 4020 steering issue ... 2013 / Deere 4020 steering issue #2 . J. jd110 Veteran Member. Joined Dec 31, 2001 Messages 1,575 Location Maryland. Are the other hydraulics working normally and smoothly? Do you have 2300 psi pressure? If so, then yes I would say your problem is in steering valve. If not, then …Member. Feb 6, 2012. #1. I have a 4020 with powershift that my Dad bought new in 1969. The engine has been rebuilt 1 time. Tractor probably has 10,000 hours on it. The transmission has never been touched. Had another 4020 that also had a power shift with a front end loader. We used this 4020 to clean out our poultry houses and load the litter with.A pressure mark is a sign of physical damage to the inside of an LCD screen. It is related to, but not always synonymous with, the problem of dead or stuck pixels. Usually it is no....