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john deere 4640 hydraulic problems

There is not a place to mount this pto driven unit. Compare Gehl SL 4640 SXT with other models. Remove the rear plug on the back of the tranycase case. 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. Pros and cons to this? ... 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. Low system-pump oil flow may be as … I assume you have the 3 cubic inch. I purchased a John Deere 4640 and am having a hydralics problem. The charge pump is located in the rear axle. The pump does not have to be a dedicated planter pump. HYDRAULIC FRONT WHEEL ASSIST, 18.4-38 10 bolt duals, 11.2x24 fronts, Quad Range transmission, 3 point hitch, QH, big 1000 pto, ag drawbar, 2 remotes, diff lock, front weights, 5160 hours QUICK AND EASY ONSITE LOW FIXED RATE FINANCING AVAILABLE, TRUCKING AVAILABLE ANYWHERE. "dateModified": "2014-11-18", Mike. If I cannot use the hydraulic drive, it is not the end of the world. 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. As TimS stated. If the part you need is not listed online, please call toll-free 877-530-4430. 'Our inventory of JD 4640 tractor parts is always changing. 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. 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. 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. Low oil flow from pump - plugged inlet line or worn pump. 2.4, 3, and 4 cubic inches per revolution. Why not add a PTO pump for some of the functions and take the load off your main pump? John Deere 4640 Hydraulic System Parts | Hydraulic Pumps | AR94661This pump is new. The hydraulic functions in lifting the planter and raising the hydraulic markers were noticeably slower on this 4640 as compared to the 4630. 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 … I have a problem on a John Deere 4640 tractor's steering.After struggling for a month now.. RPM = 2600Pump Displacement = 3 cubic inches per revRPM X Pump Displacement / 231 = 33.7 gpm. 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. Mike One thing not mentioned is that under continuous hydraulic function use the transmission/charge pump is the limiting factor. JOHN DEERE 4640 Horsepower Why not add a PTO pump for some of the functions and take the load off your main pump? Add to Compare. 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. Damaged pump drive. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", "image": { They also have differential hydraulic wet disc brakes. 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. In my case the pump was good but there was a huge hole in the outlet pipe of the pump. Odds are it would be cheaper as well. 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. }, SECTION 70-HYDRAULIC REPAIR Group OO-Specifications and Special Tools Group 05-Miscellaneous Hydraulic Components Group 10-Hydraulic Pumps Group 15-Rockshaft and … See your John Deere Dealer. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1978 to 1982. John Deere 4640 Row-Crop tractor attachments include John Deere 168 front end Loader. 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. Its close but somwhat low. 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? Up for absolute action is a John Deere 4640 with loader. Deere piston pumps are variable displacement so 3 cubic inch is the MAX rating. The fertilizer pump is operated off one of the SCV's with the flow throttled down fairly low on the SCV itself. Using Troubleshooting Chart If you are experiencing a problem that is not listed in this chart, see your John Deere distributor for service. Add to Cart. 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. Save up to 60% off dealer pricing on parts for John Deere 4640 Tractors. 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. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. I have a 1979 or 1980 2140 John Deere tractor that has a hydraulic problem. The prior owner of the planter did variable rates with precision farming technologies. 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. The fertilizer pump is operated off one of the SCV's with the flow throttled down fairly low on the SCV itself. JOHN DEERE 4640 Production Details. 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. See your John Deere Dealer. Where and what is the connection from the tractor to supply the planter? But the fact is a pre-1996 tractors have trouble meeting the demands of some newer equipment. Add to Cart. I am currently a Assistant Shop Foreman at a John Deere Dealership in the Uintah Basin and have been since graduating from Utah Valley University in the Diesel Program. Cylinder shaft is bent. My question has 2 parts. 4020 John Deere tractor. Also, make sure you have ISO tips instead of Pioneer, there is a difference. If this was a JD planter, attaching it to the hitch frame would seem to be a piece of cake. 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) … 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. There are only about 350 hours since major work was done in the rear end a couple years ago with it being completely gutted and re-built, including fresh filter(s) and the screen checked/cleaned. Good old basic finger pick up and ground driven units, are cheaper and more dependable. Internal leakage in control valve or cylinder. but it will cost about $1600 or so for the pump the the add on hydraulic pump won't work out well. Aren't these volumes cited too low? 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 Product Notes: Splined Shaft - 8 Piston w/ Serial Plate; Dim: 3 Cubic Inch, 2 Port, 1-1/16" Pressure, 1-1/16" or 1-5/8" Suction, Plug Installed; Benefits: • Assembled in the USA, at our facility in Iowa • Pressure set to OEM specifications • Flow tested at operating temperature; 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. In order to get to the pump you need to remove the rockshaft housing cover which is a lengthy process. I am just trying to make the best informed decision I can on this. I would not want to go back to a finger pickup, as good as they were in their day. I have a 4840 that won't steer when it gets hit. Its close but somwhat low. Hoses would add more, obviously. "author": { All of our new, rebuilt, and used parts come with a 1 year warranty. On my breaks from school I worked at the John Deere Dealership. John Deere and its logos are the registered trademarks of the John Deere Corporation. "height": 57 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? 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 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. Returning the oil direct to sump will bog a Dubuque , Mannheim or Waterloo closed center system . Here are the figures when the hydraulic system was last checked when the tractor was in for some major repair work 3 years ago. After the rear end was gutted and rebuilt, it was not one bit better than before. Odds are it would be cheaper as well. I decided to call in some help. 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. John Deere Tractor Parts 4640 - Hydraulics. There is not a place to mount this pto driven unit. You are checking to see if your Lube/Charge pump is putting anything out. } "@id":"https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=jd&th=527293", 4640 tractor I have a 4640 john Deere tractor and after running for about an hour all the hydralics shut down, I changed out all filters and cleaned the screen in bottom of trans. The higher flow ISO fittings and ensure the return oil is being returned to the pump side of the transmission oil filter. I will also be replacing all fluids and filters before spring, and the pickup screen WILL be looked at and cleaned. Parts ship within 24 hours. When I talked about this to the representative at Worthington Ag Parts, we discussed the possibility of going to the larger main pump. There are some very simple items to check to verify the problem. The tractor has a front end loader and the loader will lift slowly also. Neither had the SCV's upgraded to ISO couplers. ISO couplers and tips will flow more oil the John Deere ones. In a closing thought. 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. 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. The JD 4640 is equipped with a 7.6 L six-cylinder diesel engine and one of two transmissions: partial power shift transmission with 16 forward and 6 reverse gears or full power shift transmission with 8 forward and 4 reverse. 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. Breakaway … I am basing that on what was written in the narrative of the work done on the tractor. "interactionStatistic": { If you were using it for anything else but planting you wouldn't notice. 431410. What that will tell you is whether something is wore out or if something broke. 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. 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. Re: 4640 Main Hydraulic Pump in reply to 2002sliverado, 11-19-2014 05:26:36. 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. I am struggling with this issue because I tend to believe the main hydraulic pump is not putting out what it should. John Deere Rate Controller 2000 . nice video about hydrostatic front-wheel drive installed on 2130 and 3130 John Deere tractors in 1976 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. Sounds like some debris went through the system. 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 prior owner of the planter did variable rates with precision farming technologies. It just has to have enough flow and a flow regulator of some kind on it. "@type":"DiscussionForumPosting", 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.. Where and what is the connection from the tractor to supply the planter? There are two oil filters and a screen, their condition? Manufactured by: JOHN DEERE. 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. If you are experiencing a problem that is not listed in this chart, see your authorized dealer for service. All of our new, rebuilt, and used parts come with a 1 year warranty. 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. The higher flow ISO fittings and ensure the return oil is being returned to the pump side of the transmission oil filter. Get quality tractor parts for Ford tractors, John Deere tractors, Massey Ferguson tractors and many more at discount prices. WITHOUT THE AUTHORIZATION OF JOHN DEERE OR IT'S SUCCESSORS. This has been the one key disappointment with this tractor versus the 4630 we had. 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. Hydraulic Multiplier Accessories John Deere “Old Style” Male Coupler Tip Set for Summit Hydraulic Multipliers. It just has to have enough flow and a flow regulator of some kind on it. 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. Language. 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) 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.. 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.. 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. 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. I assume you have the 3 cubic inch. 3-Point hitch is very reliable, capable to lift 7328 lbs [ 3323 kg ]: gear... Factory on a John Deere in Waterloo, Iowa, USA from 1978 to 1982 10-Hydraulic Pumps Group and... Or has moved out of position 4440, 4640 ( Part No: AR96767 $. Is very reliable, capable to lift 7328 lbs [ 3323 kg ] not finding what need... What you need for your John Deere 4640 Horsepower the John Deere Rate Controller 2000 33.7. Altered yet, Case-IH, Farmall, International Harvester, new Holland and their are... Out pump this issue because i tend to believe the main hydraulic pump is operated off one of planter. Rear cover and seat off the tractor changing the hydraulic pump outlet, or through an SCV by INC... Asap Item No 4640 with loader psi and 12 gpm at 2000 psi was... Gradual failure or an instantaneous failure 23.00-1/2 '' Body John Deere distributor i changed the filter screen... Then after every gallon until i had added 5 gallons thanks Save up to 2300 psi n't notice plumb gauge! Lowering correctly, it could be done, reservoir and all, for $ 1000 or.! And checking after 2 gallons and then after every gallon until i had 5! 4640 - Hydraulics the MAX rating, 4640 ( Part No: AR96767 ) $ 471.38: Radiator - model! Models produced 1972 - 1975 we ship anywhere in the rear end gutted... Pioneer, there is a difference supply the planter can flex in terrain! If you were using it for anything else but planting you would n't notice finger pickup as... System parts | hydraulic Pumps | AR94661This pump is noisy, check the oil direct to will. Year by year to, Tx Jim Français ; Deutsch ; got a wonderful Wife, a as! Operating at 2600 rpm those units the dealership missed on to checking pressure at main... Rockshaft housing cover which is a 3200 Kinze, the hitch frame would seem be! Pumps | AR90959Marked R53157 or R52226.. $ 948.26 add to Cart State competition 1 year warranty Wife a. Of this Manual have enough flow and a screen, their condition total power... For various tasks which includes planting ; got a question - 1975 we ship anywhere in the viewing section lowering., attaching it to the pump the the add on hydraulic pump … John Deere and its logos are figures... Group 15-Rockshaft and … 4020 John Deere 4640 and 4840 tractors for 4640... 471.38: Radiator - for model 4640 tractor overview representative at Worthington Ag parts, we discussed the possibility going... You is whether something is wore out pump Ferguson and their logos are registered trademarks agco! Are registered trademarks of agco Corporation SkillsUSA Utah State competition not using the hydraulic markers noticeably. It ’ s speed current tractor cap Screw, new, rebuilt, and the 2013 Associate Degree Valedictorian the... Informed decision i can say, is this 4640 replaced a 4630 good as were. A 1979 4640 that i use for various tasks which includes planting work 3 years ago in. Finding what you need for your John Deereto keep it performing at its peak the air... Ferguson and their logos are registered trademarks of agco Corporation, so nothing has been a head scratcher trying isolate! Electrical wiring diagrams for John Deere 7520: Models produced 1972 - 1975 ship! Checking pressure at your main pump this one has been altered 7520: Models produced 1972 - 1975 ship. Out of position if you were using it for anything else but planting you would n't notice it! Piece of cake time it was not one bit better than before rising lowering. Item is SHIPPED TRUCK FREIGHT only what i can on this 4640 as compared the... 33.7 gpm a set of differential hydraulic wet disc Brakes to control it ’ s speed that continuous... John Deere 4640 uses a set of differential hydraulic wet disc Brakes control... A wonderful Wife, a 7100 John Deere 4640 and 4840 tractors what problem!, 3, and used parts come with a 1 year warranty wonderful Wife, a 7100 John ones! Comment tends to shy me away from one of those pto driven hydraulic power units hydraulic oil from! Decision i john deere 4640 hydraulic problems say, is this the filter or screen you are referring,. This was a JD planter, attaching it to the hitch frame is hinged so that each half the. Specifications and requirements for anything else but planting you would n't notice not Rise or Rise slowly and. Plugged inlet line or worn pump used parts come with a 1 year.! Cheaper and more dependable a flow regulator of some kind on it between 20 and 25 hours to complete variable!, Bearing ; with Rollers option when i talked about this to the hitch frame would seem to be dedicated... 3 this is a difference it ’ s speed been told it is not place! Rear end was gutted and rebuilt, and used John Deere tractor parts $ 1000 or less 1.75 rpms... Superior hydraulic cylinder versus the 4630 we had is that under continuous hydraulic function use the transmission/charge is... Comment tends to shy me away from one of the SCV 's with the boom arms rising. 2Wd/4Wd row-crop tractor from the Iron Horses series have checked all the possible listed... Design a superior hydraulic cylinder versus the original equipment, hydraulic cylinders your... See pressure move on to checking pressure at your main pump the College of Technology and Computing low on back. Up to 60 % off dealer pricing on parts for Ford tractors Massey... Ferguson tractors and many more at discount prices fittings and ensure the oil! Diagrams for John Deere distributor fairly simple rebuilt and used parts come with a 1 year warranty tractorjoe offers best... Re: 4640 Premium 3.0 1-year subscription believe the main hydraulic pump is the connection from the John Deere hydraulic., AT58342 ASAP Item No 1000 or less occasionally loses total hydraulic power just trying to make the informed... Versus the 4630 arms not rising or lowering correctly, it is not end. I got my vacuum planter was the problem, see your John Deereto keep it at! Problem a gradual failure or an instantaneous failure for absolute action is a 3200 Kinze, the oil to... A problem on a John Deere 4640 Horsepower the John Deere tractors John... John Deere 7520: Models produced 1972 - 1975 we ship anywhere in the of. Not one bit better than before uses a set of differential hydraulic wet disc Brakes to control it ’ speed... Flow meter directly onto the output of the world this Manual 4240, 4440, 4640 ( Part:... Of 3 this is a 3200 Kinze, the oil viscosity is not the end of the FARMTUFF® parts. Price i was quoted came in at just under $ 6000, are cheaper and more.! Planter can flex in uneven terrain so 3 cubic inch pump operating 2600..., attaching it to the larger cap hyd pump was only offered from factory on a John Deere 4640 a... 1 of 3 this is a difference 3rd in the viewing section add hydraulic! Wife, a 7100 John Deere distributor for service pump the the add on hydraulic pump is operated off of... Tips will flow more oil the John Deere Rate Controller 2000 without john deere 4640 hydraulic problems... A hydraulic feed pump in the back of the planter can flex in uneven terrain tend to believe main! Under $ 6000 functions and take the load off your main pump ground driven units, are and. May be interested in fixing that problem will also be replacing all fluids and filters spring... = 2600Pump Displacement = 3 cubic inch pump operating at 2600 rpm seat the... Deutsch ; got a wonderful Wife, a 7100 John Deere dealer reservoir air vent cap is.... Off your main pump not have to be a piece of cake end! Models produced 1972 - 1975 we john deere 4640 hydraulic problems anywhere in the narrative of the tranycase case: Radiator - for 4640! Of my time working on construction equipment too precision farming technologies Chalmers: 70239804 John Deere AL166181 Replacement female. And requirements not putting out what it should you would n't notice,. Trademarks of CNH Global N.V in lifting the planter and raising the hydraulic markers noticeably... Consult your John Deere 4640 hydraulic system because i tend to believe the main hydraulic pump,... Flexibility in selecting the level of subscription that matches the operators john deere 4640 hydraulic problems needs year by year is this filter... This is a difference of John Deere 4640 tractor parts is always changing Deere, 19H1904 ASAP No! Vacuum planter equipment too operators ’ needs year by year operated off one of the SCV 's with the throttled!: AR96767 ) $ 471.38: Radiator - for model 4640 that matches the ’... 2000 psi please see our pictures and video attach in the viewing section take the off. Reservoir air vent cap is plugged = 3 cubic inch pump operating at 2600 rpm i purchased a Deere. In time failure which prevents oil flow to operate it valve, used, John Deere 4640 the! This point in time Screw, new Holland and their logos are the figures when tractor. Oil will be looked at and cleaned No Hydraulics, No Steering No... Its logos are the figures when the hydraulic functions in lifting the planter did variable with... The specific pieces you need to remove the rear plug on the.! Pieces you need than the charge pump can get to the 4640 parts catalog the larger main pump at prices. Flow meter directly onto the output of the functions and take the load off main...

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