I worked at Deere dealerships when 4020s were new. Overview Engine Transmission Dimensions Photos Tests Attachments Series map: 4230 1973-1977 4000 4020 4320 107.7hp* 101.3hp* 127.8hp* 4010 1960-1963 *Estimated engine power for comparison only. Finance for as low as CAD $622.59* monthly. The RoosaMaster pumps, either the C,CB or the DB, JDB series, have a small low-pressure fuel pump built into them. The Legendary John Deere 4020 Tractor: History, Specs, FAQs ROPS and Canopies for John Deere Model 4020. I have driven the 8 spd and was taught how to shift it. The main relief pressure is 2250 psi (155 Also, with some tractors, as with the case of the "40" series, especially the 2940, Deere was selling graded pistons from Germany with different standouts. Cheemong Equipment LLC. I had just found it and read it thinking "oh wow I need to do that to mine". AR94510 filters are recommended for cleanup purposes after something fails like brakes, clutch packs, etc. "name": "Yesterday's Tractor Co.", So, with a Deere engineer present, we started swapping parts between the two tractors in an attempt to make the bad starting tractor start better. The timing specs. The later spring-loaded vanes are able to compensate a bit for wear. The real problem was quality control and loose tolerances with machining specs. Its over 16,000 hours with no problems at all as long as it had oil in it, my other neighbor has a 7730 power quad that quit at 8.000 hrs, about $10,000 to fix. Thanx in advance! This is retarded, load effect, timing. That took place in the late 80s or early 90s as I recall. "width": 200, Are ou talking about the 8 speed, the 15 speed, or the 16 speed? The fuel pressure it produces increases with RPMs, and acts on a small hydraulic cylinder that advances the fuel timing as RPMs and sometimes, loads change. Maximum Speed: 34 John Deere 3020 tractor overview. At slow idle, no load, the metering valve only allows enough fuel to enter the pumping plungers to force them out a very few thousands of an inch. It will NOT indicate an out-of-tolerance item such a a valve too deep, or a piston too low, etc. Tractors 1918-1976 published by John Deere. Make your forklift do more with a durable Forklift Trailer Mover or Fork Extensions! However there is advance by what is known as the load advance effect, that is inherent to all Roosamaster rotary pumps. John Deere 4020 Tractors for Sale New & Used | Fastline 4.3/5 - (10 votes) Download mod Tags: John Deere You may also like. FS22 Mod is an extension file for the FS22 game. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. Older pumps don't use it and require the changing of end-plate plug to set pressure of which there are nine choices (plain up to number 8). static timing, many engines start better when advanced a few degrees. From a previous post on this issue I learned that I need to adjust the 3 pt lift. . Wheel Type: Tires. but I've operated most major brands of tractors, and JOHN DEERE is CLEARLY the BEST!!!!! I think that, more-or-less, fixed most problems involving loose assembly and machining tolerances as they related to cold-starting. Drive: 2WD. I have the specs on how many degrees the line should move at given RPMs and/or loads. . The problem with using the load effect timing only, as they did on the 4010, at high RPM low load, the plungers were only forced out far enough to maintain the RPM. Nope. "name": "Glen Anderson" Tell me what pump you have and I'll give you the timing specs. The earliest 4020 used a CBC633-1AL and nine other pump models were used on the other 4020s. The timing specs. 14.9 x 46. There is more to the description of the pump, involving, start delivery, pressure/time, line reduction etc. This meant that the plungers were only partially forced out, contacted the ramp later, farther up the ramp, and had the effect of retarding the timing. I'm going from 16.9x34 goodyears which only measure 60 inches tall to 18.4x38 firestone field and roads with nearly new tread. I hope that will solve the problem. what years was the john deere 4020 made. Top Tractor brands include John Deere, Case IH & New Holland. The specs. Also have 7140 Boxcar Magnum. This is load advance, advanced timing. tractors came out, we had miserable problems with cold starting, smoking, skipping, etc. I've come across several RoosaMaster pumps with NO marks at all, and in those cases the pulse adapter came in handy. I haven't pulled any stunts like that thus far. Actual injection starts before top dead center, and this varies depending on the amount of fuel forced into the pumping plungers, by the transfer pump. Operator's Manual 4000 and 4020 (OM-R46934) published in 1969. If you drive (I recommend pushing) it off a cliff it will reach a terminal speed of 9.8 meters per second (providing the cliff is high enough before it hits terra firma. reverse speed - 5.2 mph (8.4 kph). With the clear window in place should the stationary line move while cranking or only when running. It replaced the nearly identical 4010 that had been introduced with Deere's New Generation series in 1960 and offered a number of improvements over the previous model including more horsepower, heavier rear axles, and a differential lock. Oldiron1214, Torquewrench1 edits, BRADEN LITTLE. One started great, down to 20 degrees F with no heat or ether assistance - while the other would barely start at 50 degrees F and when it did, it skipped and smoked something terrible. It was also offered with John Deere's 8 speed "syncro-range" or 8 speed Power Shift transmission. Helps prevent vibration and heat penetration under the canopy. Also, what kind of numbers are acceptable for a compression test? Do you want to do mine next?? The John Deere 4020 model came with a 6-cylinder engine that produced 91 horsepower, a Syncro Range transmission with 8 forward speeds and 2 reverse speeds, and an optional power shift transmission. 4440 now for planting, small grain cart, and used to spray with it. John Deere 4020 tractor: technical specifications and review How will jumping up the 3 tire sizes affect my ground speed? It still wont raise a 5x6 round bale up all of the way. You are using an out of date browser. Come join the discussion about specifications, modifications, troubleshooting, maintenance, and more! remember The high part of the lobe,is end of injection, static TDC on the 4020. Tractors; Lawn Tractors; Compare; Articles/News; Tractor Shows; Contact; John Deere 3020. So, with a Deere engineer present, we started swapping parts between the two tractors in an attempt to make the bad starting tractor start better. I am following the procedure in I&T JD-203 and it says to raise the lift where the linkage connects to the hydraulic thang on the tractor and then move the lever arm on the console to the rear of its travel and adjust the length of the linkage accordingly. Hope I never have to. The 4040 built in Waterloo used a 404 cid engine. The John Deere 20 Series New Generation Tractors by Benjamin Hain: New 1020 and 2020 Tractors published in 1965, by John Deere: 1020, 1520, and 2020 Tractors published in 1968, by . John Deere 4020 Pulling Specs: Base Price: 150000 $ Power: 1300-1500 hp Top Speed: 40 kph Credits: EY Modding Tags: Base Price John Deere Top Speed What is Farming Simulator 22 mods use for Farming Simulator 22 game supports mods for PC, Xbox, or PS5. I would say for mowing my JD is really great. John Deere and its logos are the registered trademarks of the John Deere Corporation. I think that, more-or-less, fixed most problems involving loose assembly and machining tolerances as they related to cold-starting. Reliable, strong, and fully-tapered fork extensions made from high-quality steel. in) six-cylinder diesel engine with 108.0 mm (4.25 in) of cylinder bore and 121.0 mm (4.76 in) of piston stroke. "height": 57 "text": "I'd like to check to see if the timing advance is working properly on one of 4020s. Now its back to normal. FS19_HofBergmann_Map_AIO_Pack_v1_0_0_81_UNPACK. Some responded well to a one or two degree advance instead of TDC, and cold starting smoking and skipping was greatly decreased. Also, with some tractors, as with the case of the 40 series, especially the 2940, Deere was selling graded pistons from Germany with different standouts. When it came back it was not right, L and LD worked fine, D would not raise all the way. Two things to understand about the load advance effect, are, the pump is inlet metering, and the ramps leading to the high part of the lobes, in the cam ring, are inclined. We had one case where we had two, brand new 2940 tractors - both supposed to be identical. One started great, down to 20 degrees F with no heat or ether assistance - while the other would barely start at 50 degrees F and when it did, it skipped and smoked something terrible. Also, in reference to aduster-screw for setting transfer pump pressure - it only exists on the later model pumps. It's an old tractor. Reinforced pallet forks sized for your machine and job application. Link Title: I'm comparing it to my John Deere 210. The adjustment is made via a trimmer screw that faces the outside of the pump and has a 1/4" nut on it that takes a 7/16" wrench. Viewing a thread - john deere powershift - AgTalk John Deere 4020 tractor tests. 216 and with that variable speed lever it was like a hot rod, you may be just used to the J.D. 4020s used C, CB, DB, and JDB pumps. The reverse pack are in the back and you have to pull the entire unit to get access to them. Welcome! The pump timing works off the transfer pump pressure and against a spring in the timing advance piston which advances or retards the cam ring as JDEMaris points out.The transfer pump pressure needs to be checked for proper specs before the timing should be checked.The transfer pump blades are held against the pump cam liner by very small springs which are subject to wear and failure which will affect the timing curve. Also, with the DB and JDB pumps, the fuel-pressure regulator plug blowing out is more of a problem than the vanes becoming non-functional. We even swapped crankshafts. Transmission Type: Synchro. In a "real-world" experience rather than what the books say, I've found - with 4020s, if they are not advancing properly, they skip and break up a bit at higher RPMS. "logo": { This is load advance, advanced timing. I was over at the farm driving the 4020 again. Please use the navigational links to explore our website. Glen Thanx for the replies! - especially with valve-in-head depth and piston top standout. The problem with using the load effect timing only, as they did on the 4010, at high RPM low load, the plungers were only forced out far enough to maintain the RPM. When the Deere 40 series ag. Incidently, I tried advancing up my static timing by 2-4 degrees and I couldn't say I noticed much less smoke or improved starting but I was rather concerned with the sharpness of the diesel knock that came with the increased advance so I chickened out and brought it back to TDC. The John Deere 4020 was the most popular tractor of its day in the 1960s. John Deere began introducing its new line of Generation-II tractors in 1972, and the John Deere 4020 was eventually replaced with the newer 4230, which had 100 horsepower. How many hours would you expect to get out of a 30 year old tranny? John Deere 4020 Powershift Transmission - TractorByNet The late 4020's also used a 404. Certain Deutz engines I've worked on in the past used shims between the bottom of the air cooled cylinder and the engine block to adjust piston standout. You then run the engine, and look for the normally staionary line to move a certain amount of degrees depending on RPMs. The JD 4020 tractor is a two-wheel or four-wheel drive (optional) model with a 3 point hitch and PTO capacity of 95 hp. The fuel pressure it produces increases with RPMs, and acts on a small hydraulic cylinder that advances the fuel timing as RPMs and sometimes, loads change. Tractors; Lawn Tractors; Compare; Articles/News; Tractor Shows; Contact; John Deere 4020 Tests. Subscribe Subscribe. Yes, I wish it was in Iowa. This allows transfer pump pressure to force the pumping plungers out as far as they can go. Let me know what to expect. I worked at Deere dealerships when 4020s were new. I'll be getting an inspection window in order to verify if the advance is operating as you mentioned. synchronized transmission or 8-speed full power shift transmission. That caused some confusion. Othewise, as in the case of a pump rebuilding shop, you are kind of isolated. Some responded well to a one or two degree advance instead of TDC, and cold starting smoking and skipping was greatly decreased. If you ever worked on a Volkswagen diesel you'd still find graded pistons and head gaskets. John Deere 4020 ROPS and Canopy - Iron Bull Mfg I've got a Case 580CK here right now with a DB Roosamaster pump with no marks on it. JavaScript is disabled. The John Deere 4020 is compatible with JD 148 front end loader with a maximum lift height of 126" (3200 mm), and JD 158 front end loader with a maximum lift height of 156" (3960 mm). are all pretty much the same for them all. If you advance them just enough to smooth things out, they are usually fine. John Deere 4020 Specs: Base Price: 25000 $ Power: 80-101 hp Top Speed: 32 kph-Motor Configuration-Wheel Configuration-Rops, Canopy, Cab Option-Front Weight Configuration-Front Loader Attacher Configuration-License Plate Option Changelog 1.1.0.0-Sound Update-Reduced Base Price If you check compression at cranking speed and it's relatively even between cylinders and somewhere in the ballpark of 425-475 PSI, the engine is probably in good shape. John Deere Tractors Discussion Board: 4020 , tires and ground speed. For a better experience, please enable JavaScript in your browser before proceeding. Smooth shifts. I'm new to JD also. Some machines don't see any benefit. "interactionType": "https://schema.org/CommentAction", So, when actually looking at the lines on the timing window you've installed on the pump (JD259 for a DB or JDB pump), one line movement on the window equals two degrees actual engine advance. While many of today's 4020 tractors do not have enclosed cabs, John Deere did offer enclosed cabs as an add-on feature. It usually serves little purpose except in the case of an engine and/or pump that has NO timing marks. At high RPM, high load, the metering valve is wide open. The specs. In regard to using a diesel-pulse adapter, yes I've used one. The rear lift capacity is 3790 lbs (1720 kg). Thanx in advance! before you buy any new tractor just say DIRT Pan and warranty see what they say-------------------------dave. Which one? THIS CLEAN & FIELD READY 1969 JD 4020 TRACTOR HAS A 6 CYL.100 HP; DIESEL ENGINE WITH NO BLOW BACK. Thanx again for the reply! I always wrap my hand around the rail and shifted the 3020's etc. Thanks for the reply. Othewise, as in the case of a pump rebuilding shop, you are kind of isolated. I also worked in a diesel room, we had our own test stand. Some machines don't see any benefit. Lastly have either of you used a pulse adapter with a timing light to see what the advance actually is? Print Catalogs; Online Catalogs; . "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", Low compression will usually indicate engine damage, e.g. Only options here is local JD dealer or do it myself. Not totally a bad idea I suppose as it does provide some adjustment, but if they could get their machining tolerances a little closer we wouldn't have to go through those procedures in the first place. Modern View Forum powered by phpBB 2001, 2005 phpBB Group. . We would sometimes have two brand new machines, one a great starter and one a poor starter, the problem was low piston above-deck height, yet they both gave identical compression readings. JOHN DEERE 4020 DIESEL TRACTOR, WIDE FRONT, THREE POINT HITCH , 540/1000 REAR PTO, SIDE CONTROL HYD, TWO PAIR OF REAR HYD OUTLETS, TRACTOR HAS NEW BATTERIES, ALL NEW OILS AND FILTERS, NEW REAR . That output planetary pack looks VERY expensive. As the plunger rollers approach the ramp, of the lobe, they make contact at beginning of the ramp, and injection starts. In a real-world experience rather than what the books say, I've found - with 4020s, if they are not advancing properly, they skip and break up a bit at higher RPMS. Back to the tests we did at the Deere dealership. One started great, down to 20 degrees F with no heat or ether assistance - while the other would barely start at 50 degrees F and when it did, it skipped and smoked something terrible. There is more to the description of the pump, involving, start delivery, pressure/time, line reduction etc. Email Seller. TractorData.com John Deere 4020 tractor information 8000 hours is a lot. Ingersoll 4000's were and are specified at 7.3 mph. It usually serves little purpose except in the case of an engine and/or pump that has NO timing marks. I've come across several RoosaMaster pumps with NO marks at all, and in those cases the pulse adapter came in handy. John Deere 4020 Engines John Deere 6.6L 6-cyl diesel John Deere 5.6L 6-cyl gasoline John Deere 5.9L 6-cyl gasoline John Deere 5.9L 6-cyl LP gas With the load advance effect, and the automatic cam turning advance, high load, high RPM, the total advance is in the neighborhood of twenty degrees before top dead center. As the plunger rollers approach the ramp, of the lobe, they make contact at beginning of the ramp, and injection starts. OK so ive heard the argument about powershifts why is there so many people mixed about them what are yalls thoughts. If you ever worked on a Volkswagen diesel you'd still find graded pistons and head gaskets. is better at everything else. From a previous post on this issue I learned that I need to adjust the 3 pt lift. We have had good luck with powerquads. 15 1 Updated: Friday, June 16, 2023 04:42 PM 1969 JOHN DEERE 4020 100 HP to 174 HP Tractors View Buyer's Premium Financial Calculator Machine Location: Hutto, Texas 78634 Transmission Type: Powershift Rear Remote Hydraulics: 4 Drive: 2WD Engine Horsepower: 100 HP Serial Number: T213P230330R Condition: Used Tires or Tracks: Tires From then on, they became Ingersoll's. This agricultural tractor was launched as a replacement of the 4010 model, which launched in 1960 as a part of Deere's New Generation series. [ View Follow Ups] [ Post Followup] [ Return to Forum] Posted by Greg H. on July 11, 2001 at 13:33:49 from (129.71.222.106): Hey fella's, I am changing rear tires on my 4020. One nice thing about doing your own pump work and also being the one installing the pump, is getting to see the results. Power Shift allows shift-on-the-move between gears without clutching. You then run the engine, and look for the normally staionary line to move a certain amount of degrees depending on RPMs. I'm still confused about whether the pump receives extra advance while cranking, or is the static timing all the advance that is provided during cranking? SUPER . A manual trans would have needed at least one clutch job by then. It was something along those lines, the book is at work so I can't confirm it this weekend. Thanx for the replies! It all sounded good on paper, but in reality, made NO difference. Wheels on the ground, they try to move, but no. At high RPM, high load, the metering valve is wide open. No need to pull rockshaft. All Rights Reserved. Designed by LifeX Marketing. There are just to many hills here to do otherwise it would take me forever to get this place mowed.