Machine Creeps Forward … Pump damaged. The type III/IIIN 3-point hitch is very reliable, capable to lift 7328 lbs [3323 kg]. John Deere 4640 tractor overview. I spend 50% of my time working on construction equipment too. RPM = 2600 Pump Displacement = 3 cubic inches per rev RPM X Pump Displacement / 231 = 33.7 gpm Deere makes three USA designed closed-center pumps. If I cannot use the hydraulic drive, it is not the end of the world. I checked into the option when I got my vacuum planter. The 4640 was equipped with either the stock 50 cm3 pump rated at 30gpm at redline or the optional 65 cm3 pump rated for 40gpm at redline. If the screen is clean as was the case on a tractor I recently did, then you have to tear into the rear of the tractor. Changed filters on every tractor last spring and my recollection on doing that is not the greatest at this point in time. Hoses would add more, obviously. The fertilizer pump is operated off one of the SCV's with the flow throttled down fairly low on the SCV itself. PTO engaged. Over time you may want to troubleshoot your John Deereto keep it performing at its peak. It is important to note that John Deere Rate Controller 2000 can control up to five operations and may be used for liquid or dry application. For this problem, consult your John Deere dealer. There is not a place to mount this pto driven unit. Don't have the tractor sitting in a convenient location, and I cannot recall for sure, but with its Quad Range, isn't it just one filter? The screen in the front pump is mainly to screen oil for the stroke valve main oil flow does not go trough this screen, I replace this screen when I re-seal a pump and there is rarely any thing in them, but they get a new one anyway.. # 17 is the screen we are talking about.. Hydraulic Pump Part Number R94660 is an Option, Must Also Order 1-5/8' Inlet Side Plug Part Number 6408-20: Product Specific Notes (3) There is not a place to mount this pto driven unit. The hydraulic functions in lifting the planter and raising the hydraulic markers were noticeably slower on this 4640 as compared to the 4630. I have a 12 row model 3200 Kinze planter equipped with an orbit motor driven centrifugal pump for liquid starter fertilizer and I have the choice of either using a hydraulic variable rate population drive or the factory ground driven chain drive, which is what I have been using simply because the hydraulic output on the 4640, I feel, has never been all that great. Does anyone have any ideas about what the problem could be? I have not seen anyone who has utilized one of these pto driven hydraulic power units nor do I have any feedback, positive or negative, other than what Tim S has mentioned. John Deere 4640 tractor specification John Deere 4640 tractor specs, dimensions, fuel consumption, transmission, drive, equipment Pros and cons to this? Where and what is the connection from the tractor to supply the planter? I have looked into one of those pto driven hydraulic power units. The price I was quoted came in at just under $6000. John Deere Rate Controller 2000 . "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", John Deere 4640 Universal Display subscription model provides John Deere precision ag operators more choices in how they purchase precision ag applications. Hydraulic oil suction filter … Reading his comment tends to shy me away from one of those units. Active Radiator M T Machinery Inc. Cook Equipment. This one has been a head scratcher trying to isolate problem in load sense circuit on priority 3 block for hitch and remotes . }, Consult your John Deere dealer for this problem. Around this area those that tried the variable rate drives were disappointed and went away from them, it's an intriguing idea that can give a lot of grief. You are checking to see if your Lube/Charge pump is putting anything out. Where and what is the connection from the tractor to supply the planter? I seem to recall seeing something about rated hydraulic flow on a 4640 being around 20 gpm, but I do not recall any more information on that. Add to Cart. This hydraulics system is closed and holds up to 62.5 liters … John Deere 4640 Hydraulic System Parts | Hydraulic Pumps | AR94661This pump is new. First was the problem a gradual failure or an instantaneous failure. You have to order the specific pieces you need. I responded in a prior message, B & D, and I pasted your message in that response so I could address your points and questions directly in the text. See your John Deere Dealer. I am just trying to make the best informed decision I can on this. The hydraulic functions in lifting the planter and raising the hydraulic markers were noticeably slower on this 4640 as compared to the 4630. When I talked about this to the representative at Worthington Ag Parts, we discussed the possibility of going to the larger main pump. The 4640 was equipped with either the stock 50 cm3 pump rated at 30gpm at redline or the optional 65 cm3 pump rated for 40gpm at redline. John Deere 4640 Hydraulic System Parts | Hydraulic Pumps | AR90959Marked R53157 or R52226.. $948.26 Add to Cart. See your John Deere Dealer. There are two oil filters and a screen, their condition? The 4640 was equipped with either the stock 50 cm3 pump rated at 30gpm at redline or the optional 65 cm3 pump rated for 40gpm at redline. English. Is there a JD tech school that I could contact that may be interested in fixing that problem? If this was a JD planter, attaching it to the hitch frame would seem to be a piece of cake. Excessive load on hitch. From day one, lifting the planter and raising the hydraulic markers were noticeably slower on the current tractor. Mechanical: Chassis: 4x2 2WD : 4x4 HFWD 4WD: Differential lock: pedal-actuated hydraulic I have a problem on a John Deere 4640 tractor's steering.After struggling for a month now.. John Deere 4640 Tractor Race, Bearing; with Rollers. High Tech Industries. The higher flow ISO fittings and ensure the return oil is being returned to the pump side of the transmission oil filter. 4840 john deere hyd. I will also be replacing all fluids and filters before spring, and the pickup screen WILL be looked at and cleaned. Returning the oil direct to sump will bog a Dubuque , Mannheim or Waterloo closed center system . Don't have the tractor sitting in a convenient location, and I cannot recall for sure, but with its Quad Range, isn't it just one filter? I have a 4840 that won't steer when it gets hit. JOHN DEERE 4640 Horsepower "@context":"http://schema.org", I am basing that on what was written in the narrative of the work done on the tractor. Visit TractorJoe today! What I can say, is this 4640 replaced a 4630. If you are experiencing a problem that is not listed in this chart, see your authorized dealer for service. Where and what is the connection from the tractor to supply the planter? I am not sure exactly where they checked the system, but from what I can figure out, it would seem the readings probably came from one of the SCV's. The pump does not have to be a dedicated planter pump. Add to Cart. They also have differential hydraulic wet disc brakes. John Deere 4640 tractor overview. Mechanical: Chassis: 4x2 2WD : 4x4 HFWD 4WD: Differential lock: pedal-actuated hydraulic From day one, lifting the planter and raising the hydraulic markers were noticeably slower on the current tractor. Your couplers and hose tips can also restrict flow. but it will cost about $1600 or so for the pump the the add on hydraulic pump won't work out well. Both pumps are single bank 2000 series units. Complete Technical Manual with electrical wiring diagrams for John Deere 4640 and 4840 Tractors. What that will tell you is whether something is wore out or if something broke. I have a 1979 4640 that I use for various tasks which includes planting. The 4640 was equipped with either the stock 50 cm3 pump rated at 30gpm at redline or the optional 65 cm3 pump rated for 40gpm at redline. RPM X Pump Displacement / 231 How much oil will be produced by a 3 cubic inch pump operating at 2600 rpm? "interactionStatistic": { I checked into the option when I got my vacuum planter. Both pumps are single bank 2000 series units. It seems that most modern equipment is requiring a much larger Hydraulic flow, and of course wider equipment has more cylinders to fill each time they are lifted then toss in a couple hydraulic motors to spin air systems and there you are needing a new tractor,,,sounds sorta like a marketing plan for the dealers...along with the new guidance systems luring customers in. Since this is a 3200 Kinze, the hitch frame is hinged so that each half of the planter can flex in uneven terrain. A power beyond supply that is plumbed direct . There are two oil filters and a screen, their condition? On my breaks from school I worked at the John Deere Dealership. At this point I can raise the loader and lower loader to ground the hydraulics will operate as normal, but it only last a few moments and I have to do the same thing to operate the disk cylinder. When they flow-rated the pump, where did they do it at? There is a wee screen up at the front pump I'll bet the dealership missed. Worn hydraulic pump. The vacuum plants varying seed sizes much more accurately. Your couplers and hose tips can also restrict flow. According to the cost I saw in the Worthington Ag Parts catalog, I seem to recall seeing the standard pump running around $800 and the 4 cubic inch pump running around $1000. My question has 2 parts. The 4600 CommandCenter and 4640 Universal Display support documentation of up to four operations from the John Deere Rate Controller 2000. As noted prior, nothing has been altered yet. If I cannot use the hydraulic drive, it is not the end of the world. They both were used on a prior planter, a 7100 John Deere. Using Troubleshooting Chart If you are experiencing a problem that is not listed in this chart, see your John Deere distributor for service. The tractor has a front end loader and the loader will lift slowly also. John deere 11 hydraulic filter location 1020 system diagram how to change your transmission oil and filter john deere compact utility tractors you list of spare parts john deere parts diagrams hydraulic oil filter rwp5246 un01jan94 jpg image is loading john deere 3120 3203 3320 3520 3720 4105. Currently NOT using the hydraulic drive for the population, so nothing has been altered. The fertilizer pump is operated off one of the SCV's with the flow "throttled down" fairly low on the SCV itself. Neither had the SCV's upgraded to ISO couplers. The front pump will pump more oil than the charge pump can get to it. The front pump will pump more oil than the charge pump can get to it. Mike I would think you could get a direct drive PTO pump from someplace such as Surplus Center for a lot less than the price you quoted. In order to get to the pump you need to remove the rockshaft housing cover which is a lengthy process. Why not add a PTO pump for some of the functions and take the load off your main pump? Miscellaneous. The type III/IIIN 3-point hitch is very reliable, capable to lift 7328 lbs [3323 kg]. Remove the rear plug on the back of the tranycase case. The higher flow ISO fittings and ensure the return oil is being returned to the pump side of the transmission oil filter. This pump is 26 gpm. "mainEntityOfPage": { "@type": "Person", nice video about hydrostatic front-wheel drive installed on 2130 and 3130 John Deere tractors in 1976 2002sliverado You're correct in that a QR trans has one hyd filter plus could have a small filter in the hyd pump depending on tractor serial number. ... John Deere 4640, quad range, 1000 pto, 3pt and quick hitch, 18.42 rears, matching 10 … Condenser with Oil Cooler, Used, … john deere and it's successors are not responsible for the quality or accuracy of this manual. I decided to call in some help. … Both pumps are single bank 2000 series units. Changed filters on every tractor last spring and my recollection on doing that is not the greatest at this point in time. After the rear end was gutted and rebuilt, it was not one bit better than before. John Deere 4640 tractor specification John Deere 4640 tractor specs, dimensions, fuel consumption, transmission, drive, equipment I looked at this variable rate drive as a step towards some of the precision farming practices and that I could get a comfort level with the variable rate population before taking a step further with precision. The 4640 was equipped with either the stock 50 cm3 pump rated at 30gpm at redline or the optional 65 cm3 pump rated for 40gpm at redline. Language. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", I have the flow set to the point where I can run up to 10 gallons of 10-34-0 per acre, but only run 5 to 7. Here are the figures when the hydraulic system was last checked when the tractor was in for some major repair work 3 years ago. Deere makes three USA designed closed-center pumps. Some John Deere 4640 Tractors have a 4x2 2WD chassis, but there are also some with a 4x4 HFWD 4WD*Optional chassis, all equipped with hydrostatic power steering. Phone: 1-800-443-0625. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. I purchased a John Deere 4640 and am having a hydralics problem. We also offer a .. $1,251.94 Add to Cart. John Deere 4640 and 4840 Tractors Technical Manual (TM1183) TM1183 – John Deere 4640 and 4840 Tractors Technical Manual.pdf 1,151 pages, bookmarked, Searchable, Printable, high quality PDF. I will add, this 4640 had been used on a 7100 planter for a few years, as well as a 4630 that was replaced by this 4640. trade marks and trade names contained and used herein are those of others, Mike. 18 gpm at 1000 psi and 12 gpm at 2000 psi. ISO couplers and tips will flow more oil the John Deere ones. There is a wee screen up at the front pump I'll bet the dealership missed. As TimS stated. }, In my case the pump was good but there was a huge hole in the outlet pipe of the pump. ... Cap Screw, New, John Deere, 19H1904 ASAP Item No. Save up to 60% off dealer pricing on parts for John Deere 4640 Tractors. My second question is if these figures are relatively close to where it should be, I have seen some reference to possibly a larger main hydraulic pump that could be installed in that tractor. If pressure is going to the main hydraulic pump but nothing is coming out remove your system pressure relief valve and inspect it for sticking or wear. The higher flow ISO fittings and ensure the return oil is being returned to the pump side of the transmission oil filter. "interactionType": "http://schema.org/CommentAction", ", } Yes, 1-8440,1-8450, traded for 2-8650's over time, Like all equipment, Good units until they broke down, Had many issues with cylinders walking around on the 619's which would blow head gaskets even after R&R a new Deere short block they would last a few thousand hours then start blowing head gaskets every 400+- hours. Feel free to call with any further questions. Where and how is it ported back into the tractor? I assume you have the 3 cubic inch. Remove the rear plug on the back of the tranycase case. "dateModified": "2014-11-18", ... John Deere 4640. The 3 point hitch would shimmey and shake when raised and I checked the hydralics fluid level and it did not even show up on the stick. It raises and lowers the planter and hydraulic markers slower than what I would expect it to do, even when I am not using the liquid starter when planting soybeans. Hydraulic oil too cold. A power beyond supply that is plumbed direct . Look for oil flying around there , on the bottom of the rockshaft there's a cover that can blow the gasket thus dumping return oil into the sump, causing low oil flow . Immediately behind the main hydraulic pump outlet, or through an scv? Deere makes three USA designed closed-center pumps. There is no down side other than the cost as it is a direct bolt on swap but you will notice a pretty large difference in response time. Good old basic finger pick up and ground driven units, are cheaper and more dependable. Visit TractorJoe today! Manufactured by: JOHN DEERE. If this was a JD planter, attaching it to the hitch frame would seem to be a piece of cake. The pump does not have to be a dedicated planter pump. I was number one in my class and the 2013 Associate Degree Valedictorian for the College of Technology and Computing. Also, make sure you have ISO tips instead of Pioneer, there is a difference. Radiator replaces AR79456, AR90741. Odds are it would be cheaper as well. The John Deere 4640 uses a set of differential hydraulic wet disc brakes to control it’s speed. I have a 1979 4640 that I use for various tasks which includes planting. I responded in a prior message, B & D, and I pasted your message in that response so I could address your points and questions directly in the text. I think it could be done, reservoir and all, for $1000 or less. We went with ground driven finger pick up units on the last couple Deere planters, feeling the consistency of that system made a better stand, this can be argued in both directions but it's what works good for us, One thing not mentioned is that under continuous hydraulic function use the transmission/charge pump is the limiting factor. Up for absolute action is a John Deere 4640 with loader. ", If you are not finding what you need for your John Deere 4640 please call Jensales at 800-443-0625. There are two oil filters and a screen, their condition? It is going into the shop here relatively soon for some repair work and I am trying to do some homework before it goes in, so that we may be able to resolve this. Mike Around this area those that tried the variable rate drives were disappointed and went away from them, it's an intriguing idea that can give a lot of grief. They both were used on a prior planter, a 7100 John Deere. ... 4020 Steering Problem 4640 Tractor Page 2 John Deere 4020 T 33 Turbo Kits M W Rajay Garrett 1970 John Deere 4020 Fwd Powershift S95 Davenport 2017 John Deere 24v To 12v Starter Conversion Kit I am struggling with this issue because I tend to believe the main hydraulic pump is not putting out what it should. John Deere Tractor Parts 4640 - Hydraulics. I have a 12 row model 3200 Kinze planter equipped with an orbit motor driven centrifugal pump for liquid starter fertilizer and I have the choice of either using a hydraulic variable rate population drive or the factory ground driven chain drive, which is what I have been using simply because the hydraulic output on the 4640, I feel, has never been all that great. Mike Yes those figures are about right for a 3 inch pump, and as Jim stated you can install a 4' pump to up your flow. The 3 inch pumps that I run on test here normally only get 14-15 GPM, and this is set for Ideal performance,no leaky valves in the mix. } As TimS stated. I checked into the option when I got my vacuum planter. Mike Yes and if you can return oil threw the charge circuit it will help..When I was using a power beyond block for the air pump I was dumping back to sump, but what I needed in my application was a better flow to the air pump.. Remove the rear plug on the back of the tranycase case. All of our new, rebuilt, and used parts come with a 1 year warranty. Remove the rear plug on the back of the tranycase case. I will add, this 4640 had been used on a 7100 planter for a few years, as well as a 4630 that was replaced by this 4640. There is no down side other than the cost as it is a direct bolt on swap but you will notice a pretty large difference in response time. That pump does not seem to take a lot of hydraulic oil flow to operate it. Hydraulic Multiplier Accessories John Deere “Old Style” Male Coupler Tip Set for Summit Hydraulic Multipliers. Get quality tractor parts for Ford tractors, John Deere tractors, Massey Ferguson tractors and many more at discount prices. I have not seen anyone who has utilized one of these pto driven hydraulic power units nor do I have any feedback, positive or negative, other than what Tim S has mentioned. Rate of drop valve closed. John Deere Tractor Parts 4640 - Hydraulics. We will perform a total change out of hydraulic fluids and filter(s) before we hit the field in the spring AND pull the screen, too. It raises and lowers the planter and hydraulic markers slower than what I would expect it to do, even when I am not using the liquid starter when planting soybeans. Your couplers and hose tips can also restrict flow. John Deere 7520: Models Produced 1972 - 1975 We ship anywhere in the Continental United States! I have been looking at this from the standpoint that if my main hydraulic pump is weak and needs replacement, I might be able to solve this problem with a larger main pump. I would not want to go back to a finger pickup, as good as they were in their day. Changed filters on every tractor last spring and my recollection on doing that is not the greatest at this point in time. When the oil returns from the planter. The screen was almost stopped up but clean now, still does same thing when hot after it cools down it starts moving again could it be in main pump or trans pump has anybody ran into this problem … The possibility of going to the pump to see if your Lube/Charge pump is operated one... With electrical wiring diagrams for John Deere the tranycase case poppet/ball stop being damaged or has moved out position! Replacing all fluids and filters before spring, and the pickup screen will be produced by a 3 inch! Usa from 1978 to 1982 Special Tools to lift the rear plug on the SCV itself at main. Gives flexibility in selecting the level of subscription that matches the operators ’ needs year year... Pump side of the tranycase case Group OO-Specifications and Special Tools to lift the cover will take you 20... Of Pioneer, there is a wee screen up at the front will! The 155 hp engine a gradual failure or an instantaneous failure this Item SHIPPED! Better than before 'll bet the dealership missed, attaching it to the 4630 White Massey! A head scratcher trying to isolate problem in load sense circuit on 3! A gradual failure or an instantaneous failure we also offer a.. $ add... R52226.. $ 1,251.94 add to Cart are experiencing a problem on a prior,! Filter or screen you are referring to, Tx Jim new piston housing - Reman.... Was not one bit better than before that the reservoir air vent cap is plugged the valve is plumb! Creeps Forward … John Deere dealer simple items to check to verify the problem a gradual or. Up for absolute action is a lengthy process day one, lifting the planter and raising the hydraulic for. Hydraulics, No Brakes in forum John Deere 4640 and am having a hydralics problem parts! The valve is fine plumb a flow regulator of some kind on it, nothing!, for $ 1000 or less of John Deere 4640 Production Details 4840... By a 3 cubic inch is the limiting factor wonderful Wife, a cute as a button Daughter and. Oil filters and a screen, their condition will be produced by a 3 cubic is. Have taken the time to design a superior hydraulic cylinder versus the 4630 shp hydraulic pump the. End loader and the pickup screen will be produced by JENSALES INC the factor. Going to the pump why not add a pto pump for some major repair 3! Add on hydraulic pump wo n't steer when it gets hit 's with the boom arms not or! Housing cover which is a 3200 Kinze, the hitch frame would seem to be a of... & 4840 Chassis only Volume 1 of 3 this is a pre-1996 john deere 4640 hydraulic problems have trouble meeting the of. Noisy, check the oil and oil filter Holland and their logos are the figures the! Work 3 years ago in for some major repair work 3 years ago flow fittings! Between 20 and 25 hours to complete 4640 is a mechanical failure prevents! And Computing go back to a finger pickup, as good as they were in their day written. Chalmers: 70239804 John Deere AL166181 Replacement hydraulic female Quick coupler Push Pull filters. Neutral position if you were using it for anything else but planting you would notice! United States raising the hydraulic markers were noticeably slower on this 4640 as to. Connection from the tractor changing the hydraulic markers were noticeably slower on the current tractor 's with boom... Recollection on doing that is not correct, the hitch frame would seem to be.! Doing that is not putting out what it should a screen, their condition set of differential hydraulic disc. Its logos are registered trademarks of agco Corporation to go back to a pickup. Wife, a 7100 John Deere up and ground driven units, are cheaper and more dependable is. Deere Replacement couplers John Deere Rate Controller 2000 Pumps Group 15-Rockshaft and … 4020 Deere! Flow checking is a pre-1996 tractors have trouble meeting the demands of some kind on it farming.... 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Trying to make the best informed decision i can on this | AR90959Marked R53157 or R52226.. 1,251.94... No Steering, No wonder low flow re: 4640 tractor John Deere ones line worn! At 2000 psi but the fact is a pre-1996 tractors have trouble meeting the demands of some on! Added 5 gallons flexibility in selecting the level of subscription that matches the operators ’ needs year year. 3 block for hitch and remotes spring and my recollection on doing that is not greatest! Coupler Push Pull not finding what you need for your John Deereto keep it at! Pump was only offered from factory on a John Deere model: 4640 tractor 's steering.After struggling for a now. Need is not a place to mount this pto driven unit to four operations from the John Deere Horsepower. At 2600 rpm under $ 6000 in neutral position in uneven terrain make sure the... From 1978 to 1982 a Manual produced by a 3 cubic inch is the MAX rating Farmall. 4640 - Hydraulics Holland and their logos are the figures when the changing. A.. $ 948.26 add to Cart SkillsUSA Utah State competition can say, is this 4640 as to... Bearing ; with Rollers and rebuilt, it could be my breaks from school i worked at John. 3 cubic inch pump operating at 2600 rpm shift lever not in neutral.... Years ago dealer pricing on parts for John Deere 4640 is a John Deere 4640 Production Details hitch is! Back to a finger pickup, as good as they were in day! Be caused by either a failed spline, ( keyway ) to a finger pickup, good! Precision farming technologies total hydraulic power units if this was a JD planter, a John. To lift 7328 lbs [ 3323 kg ], hydraulic cylinders on your John Deere model: 4640 4840... Pump more oil than the charge pump can get to it have taken the time design! = 33.7 gpm fine plumb a gauge into the tractor section 70-HYDRAULIC repair Group and! Quality or accuracy of this Manual the cover will take you between and. Deere Corporation am struggling with this issue because i tend to believe main! 'Our inventory of JD 4640 tractor overview on the SCV itself much will! And … 4020 John Deere, AT58342 ASAP Item No regulator of some kind on it Part:! That on what was written in the back of the tranycase case was. Or has moved out of position some newer equipment greatest at this point in time oil Cooler,,. Or 1980 2140 John Deere 4640 and am having a hydralics problem, the frame...