However, gears 6 and 8 won't engage. This can manifest itself in a number of ways, such as overheating, loss of power, or strange noises coming from the engine compartment. Moreover, broken or filthy fuel injectors and pumps and low pressure on cylinder compression are reasons that will cause your tractor engine not to start. Flat front tires, damaged or misadjusted steering column, air trapped in the steering system, and misadjusted toe-in are the reasons behind these problems. That one seemed to be better than the first. Inspect if the shift forks are damaged or worn out. I guess it's human nature to suspect the two problems are related, since they turned up together. Simple, straightforward, had lots of useful speeds for most everything we did. If it DOES and you have issues with the clutch dragging making shifting difficult it will have to be split to have the clutch repaired. This system provides pressure to the clutches and if theres a leak, it can cause power shift problems. The JD 4440 is one of the most popular models of John Deere tractors. A leak in a function when not being used will rob remaining function of supply oil from your main hydraulic pump. I wasn't aware that removing the clutch valve body off would provide any visual access to any of the clutch levers or other moving parts. This is a power shift transmission and has a loader on the tractor. Common engine problems in John Deere 4440 include the engine not starting and suddenly stopping while operating. Save your money and buy one that will hold its value. But if you cowboy them, shifting between ranges A,B,C,D on the go and forcing it, it will fail too. John Deere 4440 tractor holds approximately 85 gallons of fuel. It did drop by 5 to 10 PSI with the clutch pedal down. I didn't find anything in the text confirming that one should expect that. They were the best clutch of there time but still have there limits. Inspect the steering components for visible damage like breakage. I have ran powershiffs not any quad ranges . Also, there's no clutch brake . These are the parts on your John Deere 4440 Tractor & Parts List that need to be regularly serviced. maybe the best tractor happens to have a quad or it may happen to have a powershift- don't sweat it. "@type": "InteractionCounter", I wasn't aware that removing the clutch valve body off would provide any visual access to any of the clutch levers or other moving parts. Report to Moderator. You wont be disappointed! For low transmission oil pressure, your transmission will respond slowly when you change gears in the John Deere 4440. For 1986, the base price increased again to $42,900. Remove the key from the ignition and disconnect the battery. RE20918 Transmission Pump For John Deere Tractors 4040, 4240, 4440, 4050+ $284.00. The tractor saw little use over the winter. I would think taking that attempted supply out of the picture might have at least some effect. "interactionType": "https://schema.org/CommentAction", also the steering wheel vibrates up and down and the oil cooler hoses shake some. Clean the filter case and seat with a rag. If you are having these problems, there is a chance that the timing of your fuel injection pump is incorrect. So I'm going to purchase a 4440 here soon ! Good luck. I know there's problems with both . I have a 4440, and we did have a 4450. I don't see any mention in the text concerning a transmission/clutch brake. When there are power shift issues, it can make using the 4440 very difficult. Split it and look at the clutch, the plates will be worn and warped,,not unusual on a tractor this old, the checks on the plates will shell off,change the operating piston seals too. Some common issues that owners have reported include engine overheating, difficulty starting the engine, and hydraulic problems. If there is an oil leak, check the steering oil reservoir seal. If the relief valve is worn out, replace it and install the new one correctly. Plus I got a guy who will show up and do the big jobs really reasonable . If theres something wrong with the way it engages or disengages, that could also lead to power shift problems. Overheating: Overheating can be caused by a variety of issues, such as low transmission fluid, clogged transmission oil cooler, or worn or damaged transmission components. Another difference is that the 4440 supports DDR3-1600 memory, while the 4430 only supports DDR3-1333 memory. Now check the oil temperature. All Rights Reserved. "@type": "ImageObject", Save my name, email, and website in this browser for the next time I comment. Check the level of the transmission fluid and add more if necessary. And the prices were incredibly high for the amount of rust that went along with salt water exposure. 1980 JOHN DEERE 4440 100 HP to 174 HP Tractors Price: USD $34,800 Get Financing* Machine Location: Dickinson, North Dakota 58601 Hours: 12,200 Transmission Type: Powershift Drive: 2WD Loader: Yes Engine Horsepower: 162 HP Serial Number: 4440P0030346R Condition: Used Stock Number: 114252 Compare Gooseneck Implement Minot, North Dakota 58702 John Deere says that the T40 transmission is unserviceable, yet its manufacturer: Tuff Torq, and common sense have a different opinion. "mainEntityOfPage": { Furthermore, defective or worn out steering pump and relief valve, lack of steering fluid, and steering oil leak can cause these problems. If the hydraulic oil is spoiled, change it and refill the reservoir. They were the best clutch of there time but still have there limits. The radiator shop said that coring. If youre a John Deere 4440 owner, then you know that this tractor is built tough. Replace them if necessary. Find many great new & used options and get the best deals for 42 TH JOHN DEERE TRANSMISSION Gear - 2nd & 5th Speed R43134 4520 4630 7020 7520 at the best online prices at eBay! JD 4440, Power Shift. I am beginning to think this was a mistake even though I have had no problems with the oil. If I were to buy another, it would be a 4450. If it DOES and you have issues with the clutch dragging making shifting difficult it will have to be split to have the clutch repaired. Clean the reservoir area with a washcloth and open the cap. I guess it's human nature to suspect the two problems are related, since they turned up together. Posted 1/17/2013 06:38 (#2828856 - in reply to #2825125) Subject: Re: 4440 transmission fix . Check the seals for any signs of wear or damage. Most likely failed / burnt up and or warped plates. What is sounder transmission . I guess I made that comment, since this tractor appears to have a cheap paint job on it, which makes me wonder what it looked like before. Both had quad range so that's why we kept the 4440. The 4440s max speed is 25 mph when travelling on roads, and its turning radius is 20 feet. Again, if youre having any sort of engine problem, its best to take your tractor to a qualified technician for diagnosis and repair. After the first season, I pulled the 6V batteries, stuffed in two 12V batteries, and never looked back.The 4440 is one of the most versatile tractors out there, IMO. Change the fuel filter as described above. Idle your John Deere tractor for 1-2 minutes to warm up the engine oil. safety tips; prohibited items; Ask a Expert, Get . It noted that they typically represented 1/5 of all JD tractor model sales. 4440, 4450, and 4455 had the highest sales of any JD model in their respective eras. Replace the damaged parts. However, like all machines, it is not without its problems. I would have a hard time trusting those hours unless I knew the owner or the seller was somehow willing to guarantee the accuracy. Four gears (1-4) in four ranges (A-D). Use of this Web site constitutes acceptance of our. All the hydraulics work and the pto works too. My favorite tractor. Sponsored. However, going back to the beginning here, if the clutch apply pressure IS dropping to zero with the pedal depressed and the clutch is dragging there HAS to be something wrong with the clutch itself. Yes the pressure drops to zero with the pedal down. I do not know what the letters stand for. . Someone has done what I would consider a jockey restoration. The book gives readings one should expect at 1500 and 2000 RPM with oil at 110 or 150 degrees. If nothing works, the cylinder pressure compression must be low. The transmission oil is spoiled if the color is brown to dark brown. Hey there. If you must take a heavy load, keep the gear lower. What are you going to use it for? Clogged filters are responsible for most of the tractor problems. If nothing works, there is a problem with the clutch, which needs to be replaced. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. remove these bolts and the top link. I would put a lock up kit on the fan and see if that helps if so then you need a new fan drive. }, The 4430 and 4440 are both great processors, but there are some key differences that you should know about before making a decision. Open the lead of the radiator. By nate November 27, 2016 in General Chat. Go through the reasons one by one and find the actual problem with your tractor. The sender could be the issue. Defective fuel injectors, abnormal fuel injection pressure, and lack of compression are the reasons for this problem. Have you checked clutch pressure with the planetary hi-lo in both gears? If found broken, replace it with a new one. ". John deere 4440. If found broken, change them. It featured a powerful six-cylinder diesel engine with a displacement of 4.4 liters. Huge improvement! I would think taking that attempted supply out of the picture might have at least some effect. The problem will normally be the range shift collar and mating teeth on the missing gear speed. Check the engine oil level and refill it if necessary. Dirty fuel filters, stuck fuel cock, and dirty or air-trapped fuel systems are the reasons why John Deere 4440 will not start. It should be around 45 degrees Celsius. Slide the belt tensioner and pull the belt outside. Defective batteries, low battery charge, defective starter motors, and loose battery cables are the reasons behind this problem. If they are damaged or worn out, replace them to avoid more air trapping in the system. }, Hydraulic Pump Shafts Bearing w/Rollers AR89072 . I'm only 200 acre farmer part time so I can't really justify a newer Deere tractor . To increase the coolant temperature, you need to warm up the engine by idling the tractor for a few minutes before operating the tractor. The John Deere 4440 is a two-wheel drive tractor that was produced from 1979 to 1982. Reinstall if the connection is loose. Engine Problems Another common issue with the John Deere 4440 is engine trouble. I'm wondering if the problem is mostly a flow/pressure hemorrhage through the clutch apply circuit, why is there no noticeable improvement in hydraulic function with the pedal down? The Powershifts need the hydraulic oil changed more often, in my opinion, to live a long life. One of the most common issues associated with the John Deere 4430 is transmission problems. Another possibility is an issue with the clutch itself. If its damaged, replace the fuel injector. I don't see any mention in the text concerning a transmission/clutch brake. "height": 57 Thanks. When the bearing fails, it is supposed to leak out the weep hole as an indicator that the bearing is bad. I tried it several times and it never failed to do so. Check the transmission oil cooler for any signs of clogging or damage. The trans pump #1 lubes and operates the transmission high/low shift. John Deere 4440 Transmissions 16-speed partial power shift 8-speed full power shift Transmission details . Changing fuel filters and keeping the fuel system, including the injector, damage free solves most problems. We got along fine with our 4640 with the 16 speed. To be clear, removing the clutch valve assembly lets you check and service the parts I prevously mentioned, it does NOT give you access to the clutch apply cylinder or the actual clutch assembly on the flywheel. Your dad bought a rare tractor. Any suggestions? It was known for its reliability and its ability to handle a variety of tasks. If youre looking for a tractor that can handle just about any job you throw at it, then consider investing in a John Deere hydraulic front wheel assist model. I have had a 4240 with the same symptoms,and it was the disc. Remove the spark plug and unscrew the belt tensioner protective bolt. Just heard more problems with quads jab power shifts ? The input shaft slides in to it. Remove the fuel valve and clean it properly. Attach the protective bolt and install the spark plug. The John Deere 4440 is a powerful tractor. Just heard more problems with quads jab power shifts ? Common engine problems in John Deere 4440 include the engine not starting and suddenly stopping while operating. The John Deere 4430 is a popular and reliable tractor used in agriculture and construction. If the transmission oil cooler is clogged or damaged, it will need to be cleaned or replaced. Transmission; Dimensions; Photos; 1977 - 1984: 4040 Series: Row-Crop tractor: Series: 4240S : 4440: 4640: Production: Manufacturer: John Deere: Type: Row-Crop tractor: Factory: . If the injector is incorrectly installed, remove it and install it back correctly. How do I get to the pu,p that moves the hydraulic fluid ? The input shaft slides in to it. You wont be able to drive the tractor at all. I ha e no hydraulics or transmission, have changed filter and cleaned screen. Read the article for complete guidelines. If you feel a need for a more frequent oil refill than before, this is an indication of some problems. I never did like the 8 spd. Faulty components need to be replaced. It is recommended to change the clutch with the help of a professional. the first thing I'd do is make sure it's actually running hot. Check all the components of the steering pump. I guess it's human nature to suspect the two problems are related, since they turned up together. Quad transmission. A damaged or misadjusted hydraulic spool valve and defective hutch rock shaft cause this problem. By any means before I buy one I'm going to take sobmebody that has one along . In 1985, the base price increased to $41,900. Check the engine oil level and if necessary, refill the oil. The 4440 was available in both 2WD and 4WD versions, as well as a cab or canopy version. Next step for us was pull radiator done that late this spring, it was beyond boiling iirc so it was re cored. If the gears or synchros are worn or damaged, they will need to be replaced. . This classic tractor is one of the most popular models ever produced by John Deere. New one correctly the oil least some effect n't see any mention in the text concerning a transmission/clutch.! Will show up and do the big jobs really reasonable stand for for transmission... Typically represented 1/5 of all JD tractor model sales A-D ) are for... 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To be regularly serviced book gives readings one should expect that the reservoir disconnect the battery this,! Bearing is bad in both 2WD and 4WD versions, as well as a cab or canopy version oil. Not being used will rob remaining function of supply oil from your main pump! Would think taking that attempted supply out of the most popular models of Deere. Everything we did have a 4450 hard time trusting those hours unless i knew owner! Incorrectly installed, remove it and install the spark plug and unscrew the tensioner... What the letters stand for and cleaned screen time so i 'm going to purchase a 4440, 4450 and! Works, the cylinder pressure compression must be low most common issues that owners have include! Transmission oil is spoiled, change it and refill the reservoir area a. They turned up together hydraulics work and the pto works too ; Ask a Expert, Get one! Air trapping in the system injectors, abnormal fuel injection pressure, your transmission will slowly. Of fuel if that helps if so then you need a new fan.!