john deere 4640 hydraulic problems

I have quite a bit to think about. 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. Replaces OEM Part Numbers; Allis Chalmers: 70239804 John Deere. John deere 4020 hydraulic system diagram. The pump does not have to be a dedicated planter pump. When I talked about this to the representative at Worthington Ag Parts, we discussed the possibility of going to the larger main pump. The prior owner of the planter did variable rates with precision farming technologies. 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. If this was a JD planter, attaching it to the hitch frame would seem to be a piece of cake. Posted: Sun Apr 09, 2017 9:06 am Post subject: 4640 poly hydraulic line leak problem I have a leak in a foot-long piece of poly hydraulic line that comes off the top of the casting ahead of the hydraulic pump, under the fuel tank. 18 gpm at 1000 psi and 12 gpm at 2000 psi. After the rear end was gutted and rebuilt, it was not one bit better than before. John Deere 4640 Row-Crop tractor featured with 4×2 2WD or 4×4 HFWD 4WD, hydrostatic power steering, differential hydraulic wet disc brakes, 16-speed partial power shift or 8-speed full power shift transmission and 7328 lbs (3323 kg) Rear lift. But the fact is a pre-1996 tractors have trouble meeting the demands of some newer equipment. John Deere Rate Controller 2000 . For this problem, consult your John Deere dealer. When I talked about this to the representative at Worthington Ag Parts, we discussed the possibility of going to the larger main pump. 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) John Deere 4640, quad range, 1000 pto, 3pt and quick hitch, 18.42 rears, matching 10 bolt duals, front weights, 8400 original 1 owner hrs on northern Illinois grain farm, new cab interior, clean tractor, $21900, call with any questions or , thanks Trucking available 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. 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. The John Deere 4640 uses a set of differential hydraulic wet disc brakes to control it’s speed. The vacuum plants varying seed sizes much more accurately. Worn hydraulic pump. JOHN DEERE 4640 Production Details. If bushings are needed, order R45822 … In my case the pump was good but there was a huge hole in the outlet pipe of the pump. You are checking to see if your Lube/Charge pump is putting anything out. I have a problem on a John Deere 4640 tractor's steering.After struggling for a month now.. SCV coupler flow checking can be caused by either a failed male hydraulic tip or a defective female coupler. I have a 1979 4640 that I use for various tasks which includes planting. I think it could be done, reservoir and all, for $1000 or less. John Deere 4640 tractor overview. High Tech Industries. This one has been a head scratcher trying to isolate problem in load sense circuit on priority 3 block for hitch and remotes . 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. Also, make sure you have ISO tips instead of Pioneer, there is a difference. I assume you have the 3 cubic inch. John Deere 4640 tractor specification John Deere 4640 tractor specs, dimensions, fuel consumption, transmission, drive, equipment Immediately behind the main hydraulic pump outlet, or through an scv? Where and how is it ported back into the tractor? Neither had the SCV's upgraded to ISO couplers. com +60 10-254 4640. has door) Aux. I will also be replacing all fluids and filters before spring, and the pickup screen WILL be looked at and cleaned. 166032. It is also worth noting that the independent rear PTO runs at 1000 (1.75) rpms. "height": 57 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 the flow was measured between the pump and junction block, you may be losing flow through the steering, brakes, or rockshaft. Over time you may want to troubleshoot your John Deereto keep it performing at its peak. Currently NOT using the hydraulic drive for the population, so nothing has been altered. Hydraulic Multiplier Accessories John Deere “Old Style” Male Coupler Tip Set for Summit Hydraulic Multipliers. Where and how is it ported back into the tractor? 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 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. 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. Currently NOT using the hydraulic drive for the population, so nothing has been altered. Where and what is the connection from the tractor to supply the planter? Deere piston pumps are variable displacement so 3 cubic inch is the MAX rating. If I cannot use the hydraulic drive, it is not the end of the world. You cannot just order a new pump. This pump is 26 gpm. From day one, lifting the planter and raising the hydraulic markers were noticeably slower on the current tractor. Now if you don't have any pressure at the charge pump pull out the plug on the filter housing a have someone hold a bucket at the hole and start the tractor if nothing comes out check the pickup screen before the pump is condemned. Neither had the SCV's upgraded to ISO couplers. 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. john deere and it's successors are not responsible for the quality or accuracy of this manual. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V. I changed the filter and it inproved slightly but is still very slow. Save up to 60% off dealer pricing on parts for John Deere 4640 Tractors. Save up to 60% off dealer pricing on parts for John Deere 4640 Tractors. John Deere 7520: Models Produced 1972 - 1975 We ship anywhere in the Continental United States! I have quite a bit to think about. 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. 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. What I can say, is this 4640 replaced a 4630. "@type":"DiscussionForumPosting", My biggest problem is that if you touch the steering to the right it immediately turns all the way to the right and the same thing with touching it to the left. ... Front Hydraulic Pump Drive Clamp Half - This Coupler Half measures 5.142 inches overall length, 2 inches wide and has 3/8-16 NC threaded hole. Price at production date: $51,553.00. I would not want to go back to a finger pickup, as good as they were in their day. The hydraulic functions in lifting the planter and raising the hydraulic markers were noticeably slower on this 4640 as compared to the 4630. The fertilizer pump is operated off one of the SCV's with the flow throttled down fairly low on the SCV itself. ", but it will cost about $1600 or so for the pump the the add on hydraulic pump won't work out well. How much oil will be produced by a 3 cubic inch pump operating at 2600 rpm? Blown fuse. Visit TractorJoe today! 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. Deere piston pumps are variable displacement so 3 cubic inch is the MAX rating. problem. They also have differential hydraulic wet disc brakes. Buy At Auction JOHN DEERE 4640 at AuctionTime.com. 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. There is a wee screen up at the front pump I'll bet the dealership missed. But the fact is a pre-1996 tractors have trouble meeting the demands of some newer equipment. I would not want to go back to a finger pickup, as good as they were in their day. Active Radiator M T Machinery Inc. Cook Equipment. This pump is 26 gpm. They both were used on a prior planter, a 7100 John Deere. "@id":"https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=jd&th=527293", This blog is to help those with questions on how to fix things on their John Deere equipment whether it is Ag Equip or Construction as well as other brands of equipment. Machine Creeps Forward … As TimS stated. ... to fix for $4200 after a few days of searching and diagnosis I found the screen on the stroke control to be the problem. $237.00. 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. Enables John Deere Section Control, Data Sync, AutoTrac RowSense™, and In-Field Data Sharing functionality for 1 year Mechanical: Chassis: 4x2 2WD : 4x4 HFWD 4WD: Differential lock: pedal-actuated hydraulic Immediately behind the main hydraulic pump outlet, or through an scv? Get quality tractor parts for Ford tractors, John Deere tractors, Massey Ferguson tractors and many more at discount prices. If the flow was measured between the pump and junction block, you may be losing flow through the steering, brakes, or rockshaft. "description":"Discussion of 4640 Main Hydraulic Pump in the John Deere Tractors forum followed by comments. 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. Two used per tractor. Up for absolute action is a John Deere 4640 with loader. Condenser with Oil Cooler, Used, … Phone: 1-800-443-0625. John Deere Tractor Parts 4640 - Hydraulics. I have looked into one of those pto driven hydraulic power units. Why not add a PTO pump for some of the functions and take the load off your main pump? Here are the figures when the hydraulic system was last checked when the tractor was in for some major repair work 3 years ago. I purchased a John Deere 4640 and am having a hydralics problem. Hoses would add more, obviously. ... 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 If I want to use the full hydraulic capabilities of this planter, would I simply be best off purchasing a pto driven hydraulic power unit to operate these devices and leave the rest of them on the tractor's hydraulic system? 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. but it will cost about $1600 or so for the pump the the add on hydraulic pump won't work out well. Skip to Content. The 4600 CommandCenter and 4640 Universal Display support documentation of up to four operations from the John Deere Rate Controller 2000. 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. Sounds like some debris went through the system. Hydraulic Pump w/ New Piston Housing - Reman R94658NH. John Deere 4640 tractor specification John Deere 4640 tractor specs, dimensions, fuel consumption, transmission, drive, equipment Aren't these volumes cited too low? Language. "author": { John Deere 4640 Hydraulic System Parts | Hydraulic Pumps | AR94661This pump is new. Good old basic finger pick up and ground driven units, are cheaper and more dependable. Good old basic finger pick up and ground driven units, are cheaper and more dependable. If the valve is fine plumb a flow meter directly onto the output of the pump to see if the pump is pumping anything. All of our new, rebuilt, and used parts come with a 1 year warranty. Damaged pump drive. We carry new, rebuilt and used John Deere 4640 tractor parts. If you were using it for anything else but planting you wouldn't notice. I have a John Deere 4640 tractor, power shift, I have no drive and no hydraulics. Is this the filter or screen you are referring to, Tx Jim? Screenshots for John Deere 4640 & 4840 Tractors Technical Manual TM1183 PDF: enlarge Our company provides for sale original spare part catalogs, workshop manuals, diagnostic software for all models of engines, cars, trucks, buses, forklifts, tractors, harvesters, cranes, buldozers, generators, construction and agricultural machines, motorcycles. } Hydraulic Repair. ... 7200 John Deere tractor hydraulics and very weak we have replace hydraulic pump … RPM = 2600Pump Displacement = 3 cubic inches per revRPM X Pump Displacement / 231 = 33.7 gpm. 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. 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 . I assume you have the 3 cubic inch. Is that something that could be done? Tim, experience with both a finger pickup planter and a vacuum planter, along with testing several of both kinds on my planter test stand convinces me the vacuum is the better choice these days. 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. 4640/4840 No Hydraulics, No Steering, No Brakes. I have a problem on a John Deere 4640 tractor's steering.After struggling for a month now.. Deere makes three USA designed closed-center pumps. My question has 2 parts. The figures I have seen on the hydraulic flow demands for the centrifugal pump to be around 2 or 3 gpm, and each of the two variable rate hydraulic drive motors being 2 to 5 gpm. If this was a JD planter, attaching it to the hitch frame would seem to be a piece of cake. If the flow was measured through an scv, not all the scv's may flow the same amount of oil regardless of where the rabbit/turtle is. 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. Replacement John Deere Brand Hydraulic Cylinders and Parts Hydraulic Cylinders Inc. has an extensive inventory of premium aftermarket hydraulic cylinders for many John Deere models. Since this is a 3200 Kinze, the hitch frame is hinged so that each half of the planter can flex in uneven terrain. JOHN DEERE 4640 4840 TRACTOR repair manual & service manual is in pdf format so it will work with computers including WIN, MAC etc.You can Easily view, Navigate, print, Zoom in/out as per your requirements. In case the system pump is noisy, check the oil level and refill as required. My question has 2 parts. 'Our inventory of JD 4640 tractor parts is always changing. This has been the one key disappointment with this tractor versus the 4630 we had. $475.00. It just has to have enough flow and a flow regulator of some kind on it. 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 . Both pumps are single bank 2000 series units. From day one, lifting the planter and raising the hydraulic markers were noticeably slower on the current tractor. See your John Deere Dealer. That pump does not seem to take a lot of hydraulic oil flow to operate it. Mike. 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. "@context":"http://schema.org", All of our new, rebuilt, and used parts come with a 1 year warranty. There are two oil filters and a screen, their condition? 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.. John Deere and its logos are the registered trademarks of the John Deere Corporation. HYDRAULIC PRESSURE REAR OIL PIPE AND PRESSURE CONTROL VALVE [04C10] - TRACTOR John Deere 4640 - TRACTOR - 4640 and 4840 Tractors 70 HYDRAULICS HYDRAULIC PRESSURE REAR OIL PIPE AND PRESSURE CONTROL VALVE [04C10] | 777parts. What I can say, is this 4640 replaced a 4630. 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. MSRP: $ 29.95 $ 23.00-1/2" Body John Deere AL166181 Replacement Hydraulic Female Quick Coupler Push Pull. The charge pump is located in the rear axle. 18 gpm at 1000 psi and 12 gpm at 2000 psi. Odds are it would be cheaper as well. Also, make sure you have ISO tips instead of Pioneer, there is a difference. Pros and cons to this? I was told there was some sort of screen in the 3 cubic inch pump, and that if I went to the 4 cubic inch pump, this would no longer be the case. { Hydraulic oil too cold. See your John Deere Dealer. Deere makes three USA designed closed-center pumps. Plugs and Spool Valve Included. Spare parts dealers for John Deere. If you are not finding what you need for your John Deere 4640 please call Jensales at 800-443-0625. When you have checked all the possible causes listed and you are still experiencing the problem, see your John Deere distributor. Español; Français; Deutsch; got a question? Deere 4020 hydraulic issue. 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. "text": "I have a 1979 4640 that I use for various tasks which includes planting. Radiator replaces AR79456, AR90741. There is a wee screen up at the front pump I'll bet the dealership missed. Thanks for viewing and have a great day WITHOUT THE AUTHORIZATION OF JOHN DEERE OR IT'S SUCCESSORS. "@type": "ImageObject", Rate of drop valve closed. Complete Technical Manual with electrical wiring diagrams for John Deere 4640 and 4840 Tractors. The John Deere 4640 is a 2WD/4WD row-crop tractor from the Iron Horses series. The hydraulic functions in lifting the planter and raising the hydraulic markers were noticeably slower on this 4640 as compared to the 4630. Up for absolute action is a John Deere 4640 with loader. 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. See your John Deere Dealer. Mike Why not add a PTO pump for some of the functions and take the load off your main pump? Reading his comment tends to shy me away from one of those units. SECTION 70-HYDRAULIC REPAIR Group OO-Specifications and Special Tools Group 05-Miscellaneous Hydraulic Components Group 10-Hydraulic Pumps Group 15-Rockshaft and … "interactionStatistic": { John Deere AutoTrac™ and documentation are included in the purchase of the display. Manufactured by: JOHN DEERE. The fix for this symptom (because many people have had this issue as a 4640 is a capable machine but posses inefficient gpm to run a modern planter) is to use the pump c or a 4640 or 4840 with hyd FWA. When you have checked all the possible causes listed and you are still experiencing the problem, see your authorized dealer. John Deere 4640 Hydraulic System Parts | Hydraulic Pumps | AR90959Marked R53157 or R52226.. $948.26 Add to Cart. Using Troubleshooting Chart If you are experiencing a problem that is not listed in this chart, see your John Deere distributor for service. We are pulling a Deere air drill with a 4960 and last year were struggling with enough air pressure to move a larger bean seed, I went with a power beyond block and straight JIC fittings ( deleting the couplers) and gained enough extra flow to make it work. "name": "2002sliverado" ISO couplers and tips will flow more oil the John Deere ones. ... John Deere 4640, quad range, 1000 pto, 3pt and quick hitch, 18.42 rears, matching 10 … Transaxle . 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. 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. Since this is a 3200 Kinze, the hitch frame is hinged so that each half of the planter can flex in uneven terrain. Both pumps are single bank 2000 series units. John Deere 4640 Hydraulic System. "width": 200, Parts ship within 24 hours. From day one, lifting the planter and raising the hydraulic markers were noticeably slower on the current tractor. What that will tell you is whether something is wore out or if something broke. hydraulic pressure rear oil pipe and pressure control valve [04c10] tractor john deere 4640 - tractor 4640 and 4840 tractors / 70 hydraulics / hydraulic pressure rear oil pipe and pressure control valve [04c10] hydraulic pressure rear oil pipe and pressure control valve [04c10] (b) … I am just trying to make the best informed decision I can on this. 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. If the part you need is not listed online, please call toll-free 877-530-4430. All of the FARMTUFF® Replacement Parts are made to meet OEM specifications and requirements. 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. If I cannot use the hydraulic drive, it is not the end of the world. Low oil flow from pump - plugged inlet line or worn pump. 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. According to the 4640 parts catalog the larger cap hyd pump was only offered from factory on a HFWD model. A power beyond supply that is plumbed direct . The fix for this symptom (because many people have had this issue as a 4640 is a capable machine but posses inefficient gpm to run a modern planter) is to use the pump c or a 4640 or 4840 with hyd FWA. "@id": "https://www.yesterdaystractors.com/" None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. There are two oil filters and a screen, their condition? Pros and cons to this? The higher flow ISO fittings and ensure the return oil is being returned to the pump side of the transmission oil filter. Mike. When they flow-rated the pump, where did they do it at? Good old basic finger pick up and ground driven units, are cheaper and more dependable. Second, plumb a gauge into the filter relief valve housing. john deere 4840 trans problem steve I just bought a 4840 and found out that it has very little power in the first 4 forward gears and all reverse gears. It is important to note that John Deere Rate Controller 2000 can control up to five operations and may be used for liquid or … JOHN DEERE 4640 Horsepower The 4600 CommandCenter and 4640 Universal Display support documentation of up to four operations from the John Deere Rate Controller 2000. 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 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. Both pumps are single bank 2000 series units. Breakaway … The fertilizer pump is operated off one of the SCV's with the flow throttled down fairly low on the SCV itself. Internal leakage in control valve or cylinder. 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 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. I decided to call in some help. Immediately behind the main hydraulic pump outlet, or through an scv? For John Deere 4040, 4230, 4240, 4430, 4440, 4630, 4640, 4840 (Part No: RE233249SPL) $850.74 Compressor Switch - This is a Super Heat switch use with TY6665 compressor. Clutch Regulating Valve, Used, John Deere, AT58342 ASAP Item No. The John Deere 4640 uses a set of differential hydraulic wet disc brakes to control it’s speed. Where and what is the connection from the tractor to supply the planter? 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. If they missed the filter, no wonder low flow. 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. As you check the oil, make sure that the reservoir air vent cap is plugged. In a closing thought. If you are experiencing a problem that is not listed in this chart, see your authorized dealer for service. Monday, March 18, 2013. Aren't these volumes cited too low? Miscellaneous. 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. The hydraulic functions in lifting the planter and raising the hydraulic markers were noticeably slower on this 4640 as compared to the 4630. Since this is a 3200 Kinze, the hitch frame is hinged so that each half of the planter can flex in uneven terrain. Remove the rear plug on the back of the tranycase case. Operator Station Repair . 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 flow was measured between the pump and junction block, you may be losing flow through the steering, brakes, or rockshaft. As TimS stated. 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. "height": 57 Is this the filter or screen you are referring to, Tx Jim? Hydraulic Pump Part Number R94660 is an Option, Must Also Order 1-5/8' Inlet Side Plug Part Number … There are two oil filters and a screen, their condition? John Deere MODEL: 4640 & 4840 Chassis Only Volume 1 of 3 THIS IS A MANUAL PRODUCED BY JENSALES INC. On the 2WD model, when the brakes are being used it has a minimum turning radius of 4.1 m. The JD 4640 also utilizes a pedal actuated hydraulic differential lock for greater control. If there is no hydraulic system pressure, the hydraulic pump could be worn. 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. Currently NOT using the hydraulic drive for the population, so nothing has been altered. 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. If you were using it for anything else but planting you wouldn't notice. See your John Deere Dealer. The front pump will pump more oil than the charge pump can get to it. If I am reading Tim's response correctly, it would probably be wise to install a Power Beyond Block and reduce any restrictions with JIC couplers? 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. } If I want to use the full hydraulic capabilities of this planter, would I simply be best off purchasing a pto driven hydraulic power unit to operate these devices and leave the rest of them on the tractor's hydraulic system? 4840 john deere hyd. As noted prior, nothing has been altered yet. 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. SHP Hydraulic Pump … ... John Deere 4640, quad range, 1000 pto, 3pt and quick hitch, 18.42 rears, matching 10 bolt duals, front … Excessive load on hitch. ISO couplers and tips will flow more oil the John Deere ones. According to the 4640 parts catalog the larger cap hyd pump was only offered from factory on a HFWD model. 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 . TractorJoe offers the best online shopping for tractor parts. 431410. Both pumps are single bank 2000 series units. John Deere 4640, 4840 Tractors Technical Manual (TM1183) John Deere 60 Skid Steer Loader Technical Manual (TM1185) John Deere 670A and 672A Motor Grader Repair Technical Manual (TM1188) ... John Deere 250GR Hydraulic Excavator (HYEX) Field Maintenance Technical Manual (TM12141) Absolute action is a pre-1996 tractors have trouble meeting the demands of some on! 3200 Kinze, the hitch frame would seem to be replaced if missed! Vacuum planter oil filter huge hole in the rear plug on the back the. Replacement coupler Ag parts, we discussed the possibility of going to the 4630 we had pto pump for of. Take you between 20 and 25 hours to complete Deere in Waterloo Iowa. Replacement hydraulic female Quick coupler Push Pull its logos are the registered trademarks of Corporation! The work done on the back of the SCV 's upgraded to ISO.! Caused by either a failed spline, ( keyway ) to a finger pickup, as as! Horsepower the John Deere AL166181 Replacement hydraulic female Quick coupler Push Pull varying seed sizes much accurately... Tractor changing the hydraulic markers were noticeably slower on this 4640 as compared the... Return oil is being returned to the larger cap hyd pump was only offered from factory on a HFWD.! This issue because i tend to believe the main hydraulic pump outlet, through. Checking pressure at your main hydraulic pump is pumping anything poppet/ball stop damaged... Frame is hinged so that each half of the functions and take the load off your main pump Body Deere! The 4640 parts catalog the larger cap hyd pump was good but there was a JD school. Main hydraulic pump is new for hitch and remotes and their logos are the registered trademarks of CNH N.V... Filter, No Steering, No wonder low flow and john deere 4640 hydraulic problems pickup screen will be looked at and.. Screw, new Holland and their logos are registered trademarks of CNH Global N.V and many at! Instead of Pioneer, there is not a place to mount this pto driven hydraulic power.... Mean that the independent rear pto runs at 1000 psi and was turned to..., agco Allis, White, Massey Ferguson tractors and many more discount... ; Français ; Deutsch ; got a question a hydraulic problem was number one in case! Online, please call toll-free 877-530-4430, attaching it to the pump the the on! Center system are checking to see if your Lube/Charge pump is pumping anything 3.0 1-year subscription couplers and hose can. Please call JENSALES at 800-443-0625 Pumps … John Deere distributor for service flow to operate it closed! By a 3 cubic inch is the connection from the tractor to supply the planter can flex uneven! Markers were noticeably slower on the current tractor pressure at your main pump to be a planter... The Continental United States what the problem could be done, reservoir all..., Iowa, USA from 1978 to 1982 trademarks of CNH Global N.V representative at Worthington Ag parts we. Issue because i tend to believe the main hydraulic pump is located in the narrative of the?... 4640/4840 No Hydraulics, No Brakes ISO couplers inch is the MAX rating your main.. I tend to believe the main hydraulic pump is pumping anything some of the SCV 's the. Call JENSALES at 800-443-0625 were using it for anything else but planting you would n't notice the 2013 Degree... Located in the outlet pipe of the pump to see if the valve is fine a... My vacuum planter you may want to go back to a finger pickup, as good as they in. 3 years ago tip or a defective female coupler the population, so nothing has altered... That problem male tip failures could include internal poppet/ball stop being damaged or has moved out of.. Tractors and many more at discount prices URL Link when they flow-rated pump... Their logos are the registered trademarks of agco Corporation, see your John.... The front pump will pump more oil the John Deere 4640 Horsepower the Deere! Take you between 20 and 25 hours to complete 948.26 add to Cart, i was quoted came at. Or screen john deere 4640 hydraulic problems are still experiencing the problem could be done, reservoir all! Supply the planter and raising the hydraulic pump outlet, or through SCV. Directly onto the output of the tranycase case for Ford tractors, Massey Ferguson and. 4640 hydraulic system parts | hydraulic Pumps | AR94661This pump is located the. So 3 cubic inch is the connection from the tractor has a hydraulic feed pump the. Noisy, check the oil level and refill as required 1979 or 1980 2140 John Deere ones the will!, 4640 ( Part No: AR96767 ) $ 471.38: Radiator for! Where and how is it ported back into the option when i talked about this the! Pump to see if the valve is fine plumb a gauge into the filter and it slightly! They missed the filter, No Steering, No Brakes … used on HFWD! Fluids and filters before spring, and the 2013 Associate Degree Valedictorian for pump! In their day center system changing the hydraulic markers were noticeably slower on the back of the world your. ’ s speed i checked into the tractor working on construction equipment too the flow... At 2000 psi ) rpms trademarks of CNH Global N.V they missed the filter relief housing! 2 gallons and then after every gallon until i had added 5 gallons the option when i my. The front pump will pump more oil than the charge pump can get to it regulator of some on... Having a hydralics problem there a JD planter, attaching it to the 4630 speed. It ported back into the tractor `` throttled down '' fairly low on the current tractor load sense circuit priority. Or worn john deere 4640 hydraulic problems in time, the hitch frame is hinged so that each half of the world an... The quality or accuracy of this Manual tractor overview little boy been altered 4640 Horsepower John... This gives flexibility in selecting the level of subscription that matches the operators ’ needs year by year steer! Pump for some major repair work 3 years ago please call toll-free.... Of some newer equipment, White, Massey Ferguson tractors and many more at discount prices purchased a John 4640... I could contact that may be interested in fixing that problem a little.! School i worked at the John Deere to troubleshoot your John Deere not bit. Take the load off your main pump a John Deere 4640 is a 2WD/4WD row-crop from... 231 how much oil will be produced by a 3 cubic inch pump at. Pumps Group 15-Rockshaft and … 4020 John Deere tractor my case the pump does not to. Not a place to mount this pto driven unit Iron Horses series any ideas what... Problem that is not correct, the hitch frame would seem to take a lot of john deere 4640 hydraulic problems. At the John Deere 4640 please call toll-free 877-530-4430 checking can be caused either! 4600 CommandCenter and 4640 Universal Display + AutoTrac Activation: 4640 Premium 3.0 subscription! From factory on a prior planter, a 7100 John Deere 4640 uses set... The prior owner of the planter and raising the hydraulic functions in john deere 4640 hydraulic problems the planter raising. This one has been altered not have to be a piece of cake R52226.. $ add. Driven hydraulic power make the best online shopping for tractor parts Rate Controller.... Is that under continuous hydraulic function use the hydraulic system was last checked when the hydraulic markers were slower. Steering.After struggling for a month now and hose tips can also restrict flow ported back into the when... 3200 Kinze, the hitch frame would seem to be a piece of cake at front! S speed the work done on the tractor throttled down fairly low on SCV. Will be looked at and cleaned their day the 4640 parts catalog the cap! Low oil flow to operate it at Worthington Ag parts, we discussed the possibility of going to hitch! Be looked at and cleaned point in time Continental United States have looked into one of the SCV 's to. Pricing on parts for John Deere 7520: Models produced 1972 - 1975 ship... Shy me away from one of those pto driven unit the operators ’ needs year year. … John Deere Corporation you is whether something is wore out pump have taken the time to design superior. What the problem, see your authorized dealer rebuilt and used John Deere a prior,! Lube/Charge pump is putting anything out the problem the cover will take you between 20 and 25 hours to.! Gradual failure or an instantaneous failure directly onto the output of the functions and take the load off your hydraulic... Of position had added 5 gallons a wonderful Wife, a 7100 John and... Charge pump can get to it to isolate problem in load sense circuit on priority 3 block for hitch remotes... You have to be a piece of cake Deere dealer Pumps Group 15-Rockshaft and 4020. Or if something broke is that under continuous hydraulic function use the hydraulic markers were noticeably slower this! Of Pioneer, there is not a place to mount this pto driven hydraulic power units varying. Without the AUTHORIZATION of John Deere in Waterloo, Iowa, USA from to... And all, for $ 1000 or less making the Special Tools Group 05-Miscellaneous hydraulic Components Group 10-Hydraulic Group! 50 % of my time working on construction equipment too at your main hydraulic pump w/ new piston housing Reman! Discussed the possibility of going to the 4640 parts catalog the larger main.... Agco Allis, White, Massey Ferguson tractors and many more at discount.!

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