John deere 4250 problems

Also, the traditional head gasket test is to let a tractor cool off completely, which is kinda hard in this weather, then remove radiator cap, and start tractor up. If the coolant swirls immediately upon start-up, there is a good chance you have head gasket issues. Check for coolant in your engine oil as well, on dip stick.

The John Deere 4200 model can have issues like overheating, long starting, damaged locking differential, and tight steering wheels. You might also face other common problems, such as the engine doesn’t start, steering wheel rotation without opposition, and the engine doesn’t start. These problems are not too tough to resolve. Engine Troubles. One of the most common problems that skid steer owners encounter is engine-related issues. If you notice your John Deere 250 Skid Steer not starting or struggling to maintain power, there could be several reasons behind it. Some possible culprits may include clogged fuel filters, faulty injectors, or a malfunctioning fuel pump. John Deere is one of the most popular tractor and equipment manufacturers, and if you own one you know why. Owners love to bond and share knowledge with each other. The customer se...John Deere 4250 - Repair methods. Some days ago I found out some issue with my John Deere 4250. Motor does not turn over. Explain me what is the probable damage? You used an incorrect type of fuel. Possible failure drive high pressure fuel pump. Diagnose and change. Timing of fuel injection pump is incorrect. Adjust if needed.Check the gasket and belts for damage and replace them if necessary. 3. Cold Hydraulic System Malfunction. The hydraulic transmission of your John Deere tractor may get cold at times even during use. Signs of this issue are thick hydraulic fluid that is unable to …It can also cause the steering power to not work properly. A simpler reason that a tractor overheats is because there is not enough coolant inside of the radiator. Not having the main source of cooling the temperature will definitely cause the engine to overheat. It is also important to check the hoses for the coolant.Aug 4, 2023 · Solution 3: Replace the Shaft. Problems in the shaft can cause MFWD problems in John Deere. You can solve this by replacing the shaft. Just find the shafts and pull the snap rings out. After that, bring out the shaft itself. Put in the new shaft and finally put back the new snap rings. Jan 8, 2017. #1. Any time there is an issue with a power shift a total pressure reading is needed "Before" you go in,,then looking at the shift chart you can come up with a repair …

144.0hp. 158.2hp. 4240↓ 1978-1982. ©2000-2022 - TractorData.com®. Notice: Every attempt is made to ensure the data listed is accurate. However, …Problem. Cause. Solution. Hitch will not lift. Low hydraulic fluid level, clogged filter, worn hydraulic pump. Check fluid level and filter, replace hydraulic pump. Hitch will not lower. Faulty control valve, damaged linkage, hydraulic system leak. Replace control valve or linkage, repair hydraulic leak. The John Deere 4250 is a 2WD or 4WD row-crop tractor from the 50 series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1983 to 1988. The John Deere 4250 is equipped with a 7.6 L (466.0 cu·in) six-cylinder diesel engine and one of two transmissions: a partial power shift transmission with 16 forward and 6 reverse gears or a full power shift transmission with 15 ... i am having some problems with my 4200. last week it would not start and i finally figured it was the fuel shut off solinoid. when i removed it, it would go in and right back out when the key was turned on. i cleaned it real good and it had a dark fluid in it that looked like oil. when i put it back on it worked great then i ran it for the day a...According to John M. Eades, author of the book "Gambling Addiction," people with gambling problems often find themselves deep in financial debt. To finance their addiction, problem...Oct 6, 2006 · My father is considering buying a 1986 John Deere 4250 MFWD Cab tractor with a John Deere FEL. The tractor has about 6400 hours and has been very well cared for. My father has actually used the tractor on a number of occasions as he partnered with the farmer selling this tractor growing soybeans and corn. Hi,I recently experienced some shifting problems in my JD 4250. It has the 16 speed Powershift transmission. Tractor has 5300 hrs on it and has been religously maintained and cared for.The problem: I started tractor and drove for roughly 5-7 minutes and noticed around gear 5 or 6 that when I upshifted, I was getting no response.

John Deere 4720 Sprayer problems. I’ve been having this issue with my sprayer for a while now. When you turn the key on, the brown box and 2600 power up but the brown box only shows SSU fault codes. Don’t give any number but says seat switch fault, VIN message, oil temp fault and a couple other ones. The sprayer will start but the …According to John M. Eades, author of the book "Gambling Addiction," people with gambling problems often find themselves deep in financial debt. To finance their addiction, problem...8567 posts · Joined 2003. #1 · Oct 6, 2006. My father is considering buying a 1986 John Deere 4250 MFWD Cab tractor with a John Deere FEL. The tractor has about 6400 hours and has been very well cared for. My father has actually used the tractor on a number of occasions as he partnered with the farmer selling this tractor growing … John Deere 7220. 12006.4 lb. Compare. View updated John Deere 4250 MFWD Tractor specs. Get dimensions, size, weight, detailed specifications and compare to similar MFWD Tractor models. John Deere 4250 - Repair methods. Some days ago I found out some issue with my John Deere 4250. Motor does not turn over. Explain me what is the probable damage? You used an incorrect type of fuel. Possible failure drive high pressure fuel pump. Diagnose and change. Timing of fuel injection pump is incorrect. Adjust if needed.I have a JD 4250 with about 5600hrs and the 15sp powershift. It was used as a loader tractor for the first 2500hrs and the rest of the hrs in the field. When in a reverse gear.....any one of the 4, it will be going then hesitates for a second about every 30ft then goes then does it again.

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4250. 130.0hp. 144.0hp. 4040↓ 1978-1982. Production: Manufacturer: John Deere Row-Crop tractor: Built in Waterloo, Iowa, USA: Original price: $38,931 (1983 Quad-Range ROPS 2WD ) $58,690 (1983 Power Shift Cab 4WD ) Variants: 4050 Hi-Crop: high clearance John Deere 4050 Engines: John Deere 7.6L 6-cyl diesel:The John Deere 4066r tractor is the largest hydrostatic tractor offered by John Deere. This particular 4066r is equipped with an H180 quick park front end l...Jul 19, 2015. #1. This tractor would have had two 6 volt batteries originally installed. We had a 4250 and two 4450's equipped this way. Always started fine. Don't know if having two twelves in parallel instead of two sixes in series would effect the charging. Your a/c should work fine at your present voltage.I always think these things need using, not just parking up to look at. We had a 4250 when I worked for a contractor 25 years ago. It picked up a 7 furrow Dowdeswell with ease and pulled it even easier. The gearbox was lovely to use.Reliability. Not Rated. Safety. Not Rated. Overall Satisfaction. Not Rated. The John Deere 4050 tractor is the smallest in the John Deere 50 series that also includes the larger John Deere 4250 and the John Deere 4450 tractors. However don’t think of the JD 4050 as a small tractor. It’s powered by a choice of 2 engines that both produce 130 hp.The Most Common Problems with John Deere x350. Problems with the fuel system, the air filter, the carburetor, the battery, the safety switch, the spark plugs, and the ignition switch can prevent a John Deere lawn mower from starting. Another possible source of difficulty getting started is a malfunctioning charging system or ignition coil.

Looks like John Deere only offers a remanufactured pump now. Should one get a rebuild kit for current pump, buy a J.D. remanufactured, or are the aftermarket new pumps the best way to go? ... It's already ordered from Deere! soya257: Posted 11/17/2023 17:06 (#10485974 - in reply to #10485264) Subject: RE: J.D, 4450 Water Pump:Specs. . . . Shop used John Deere 4250 Row Crop Tractors for sale at John Deere dealerships all in one place. Find the right equipment with John Deere’s MachineFinder.com.John Deere 4250 w/148 Loader. -. $1,234. (Dell Rapids) This tractor is being sold at ONLINE ONLY auction ending May 5th. 1 owner Very clean good running John Deere 4250 tractor with John Deere 148 loader. Good rubber, clean interior, Quick hitch is NOT included. Updated A/C & Bearings were rolled at 7500 Hrs. Currently has 10,388 hours.My father is considering buying a 1986 John Deere 4250 MFWD Cab tractor with a John Deere FEL. The tractor has about 6400 hours and has been very well cared for. My father has actually used the tractor on a number of occasions as he partnered with the farmer selling this tractor growing soybeans and corn.JD 4050-4055 Thoughts. Hello all, I am looking at a JD 4050-55 series 100-115 HP tractor for baling hay on 160 acres. I'm really interested in used tractors because of price. The only reservation that I have is the fear of buying someone else's problems. I've found some nice looking tractors at around 6,000 hrs for $35,000-$40,000.John Deere owners can take a few steps to address overheating issues. First, check the coolant levels and top them off if necessary. The second is to replace faulty parts, such as the radiator, thermostat, or water pump. Lastly, checking for any clogs or other blockages in the air filter or cooling fan is also important.Oct 6, 2006 · 8567 posts · Joined 2003. #1 · Oct 6, 2006. My father is considering buying a 1986 John Deere 4250 MFWD Cab tractor with a John Deere FEL. The tractor has about 6400 hours and has been very well cared for. My father has actually used the tractor on a number of occasions as he partnered with the farmer selling this tractor growing soybeans and ... 4250 transmission problem. I have a 4250 that seemed to be jumping out of gear when backing up hill. All of the 15 forward gears worked fine. One mechanic suggested it might be a blown gasket in the control valve housing. I replaced all O rings and gaskets in that and modulating valve. It didn't change anything.

starter problem on 4250. Jump to Latest Follow ... John Deere 2030 w/245SL Loader John Deere 6415 w/640SL Loader John Deere 285 50" deck Stolen May 2017

Feb 5, 2018 · We have a John Deere 4250 that has a engine block heater that we use everyday in the winter months. The problem is that the heater element will go out in a years time. I have install 3 in our shop and last year we had the John Deere dealer install one and that only lasted one year and it went out again this weekend. I have a 4250 john deere tractor with a power shift transmission. The rock shaft seal went out and my helper ran it low oil. I fix it and fill the transmission back up with oil. now the transmission filter light comes on sometime and also the red stop light.John Deere owners can take a few steps to address overheating issues. First, check the coolant levels and top them off if necessary. The second is to replace faulty parts, such as the radiator, thermostat, or water pump. Lastly, checking for any clogs or other blockages in the air filter or cooling fan is also important.JD 4050-4055 Thoughts. Hello all, I am looking at a JD 4050-55 series 100-115 HP tractor for baling hay on 160 acres. I'm really interested in used tractors because of price. The only reservation that I have is the fear of buying someone else's problems. I've found some nice looking tractors at around 6,000 hrs for $35,000-$40,000.Quick Overview of John Deere MFWD Problems. Problem 1: MFWD Does Not Engage. This has to be the most common problem you might encounter while using …Comfort and Convenience. Common John Deere 3025E Problems With Solutions. 1) Engine Problems. 2) Hydraulic Problems. 3) Start and Stop Problems. 4) Electrical Problems. 5) Unusual Fuel Consumption. 6) Unwanted Engine Knocking or Noise. Tips for Preventing and Fixing John Deere 3025E Problems.The John Deere X300 tractor is one of the most popular and reliable tractors on the market today. It has been a staple of farms and gardens for years, and its versatility makes it ...JD 4050-4055 Thoughts. Hello all, I am looking at a JD 4050-55 series 100-115 HP tractor for baling hay on 160 acres. I'm really interested in used tractors because of price. The only reservation that I have is the fear of buying someone else's problems. I've found some nice looking tractors at around 6,000 hrs for $35,000-$40,000.Performance and guidance are solid across all segments....DE Deere & Co (DE) released the firm's fiscal second quarter financial results on Friday morning. For the three month peri...Troubleshoot a John Deere lawn mower by checking for common problems like clogged fuel filters, defective spark plugs and clogged carburettors. While examining these problems, look...

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Engine Troubles. One of the most common problems that skid steer owners encounter is engine-related issues. If you notice your John Deere 250 Skid Steer not starting or struggling to maintain power, there could be several reasons behind it. Some possible culprits may include clogged fuel filters, faulty injectors, or a malfunctioning fuel pump. Aug 3, 2017 · Hi,I recently experienced some shifting problems in my JD 4250. It has the 16 speed Powershift transmission. Tractor has 5300 hrs on it and has been religously maintained and cared for.The problem: I started tractor and drove for roughly 5-7 minutes and noticed around gear 5 or 6 that when I upshifted, I was getting no response. I have a friend with a JD 425 with the Kawasaki FD 620D model engine. He has problems with the left (sitting on tractor) cylinder not running right. Does not seem to be burning fuel properly. Listed below are things he has done. Replaced left coil pack and spark plug. Replaced left head gasket - cleaned lots of black charred crust from head.4250 transmission problem. I have a 4250 that seemed to be jumping out of gear when backing up hill. All of the 15 forward gears worked fine. One mechanic suggested it might be a blown gasket in the control valve housing. I replaced all O rings and gaskets in that and modulating valve. It didn't change anything.I have a 1983 4450 MFWD and I am having some wiring problems. First off the radio, interior light, and little clock on the ceiling will not come on work. I was driving one time and noticed the clock was lit up so i tried to turn on the dome light. The dome light lit for one second and then went off along with the clock, never to come on again.Store Indoors: When not in use, store your John Deere 265 in a dry, sheltered place to prevent moisture-related problems. Read More: John Deere 1025r PTO Problems With Troubleshooting Steps. Problem 2: Poor Performance Signs of Poor Performance. When your John Deere 265 is not performing as it should, you might notice some signs.There are a number of places to find genuine John Deere parts and aftermarket John Deere parts, depending on your budget and specific needs. The John Deere website, official John D...Technical Manual John Deere 4050, 4250, 4450 Tractors.This manual contains high quality images, diagrams, instructions to help you to operate, maintenance, Remove, troubleshooting, and repair your Tractors. John Deere 4050, 4250, 4450 Tractors Technical Manual Sample Preview. Language: English Format: PDF,1671 pages File size：139 MB100 HP to 174 HP Tractors. John Deere 4250 Cab air 15 SPEED POWERSHIFT WITH 3003 Original hours..Correct per seller.. (No centerlink)Wow what a slick and sharp rig.. Current Bid: USD $0. View Buyer's Premium. Place your max bid in USD ($): Place Bid. Auction Date: March 7, 2024 9:00 AM CST. Hours: 3003.Fits John Deere Tractor(s) 4050, 4055, 4250, 4255, 4450, 4455, 4555, 4560, 4650, 4755, 4760, 4850, 4955, 4960; Replaces John Deere OEM nos R98735; For a New version of this sku use 146693; Due to the nature of used parts, this part may not be in stock at all times. We will notify you within one business day if we are unable to ship the part for ...Dec 22, 2018 · starter problem on 4250. Jump to Latest Follow ... John Deere 2030 w/245SL Loader John Deere 6415 w/640SL Loader John Deere 285 50" deck Stolen May 2017 The most common John Deere 425 problems are ignition module issues, fuel pump problems, engine stalling, emitting black smoke, and the battery not charging. If you … ….

Overheating. John Deere X350 tractors might overheat due to the following reasons. Plugged air intake screen. Clogged cooling fins. Low engine oil. Air intake screens introduce cool air to the engine bay, reducing the temperatures considerably. Over time, these screens clog and malfunction thanks to dirt buildup.22. Updated: Monday, April 22, 2024 02:02 PM. 1986 JOHN DEERE 4250. 100 HP to 174 HP Tractors. Price: USD $48,000. Get Financing* Machine Location: …John Deere D110 comes with its own set of common problems, such as engine stalling, poor cutting performance, and belt slipping. However, armed with the right knowledge and solutions, these issues can be easily rectified. By ensuring regular maintenance, proper storage, and cleaning of the mower deck, most of these problems can be avoided.Clymer Repair Manuals for the John Deere 4250 are your trusted resource for maintenance and repairs. Clear repair solutions for DIYers. ... Fault Finder - Diagnose 400+ problems. Take on bigger jobs with Haynes’ help. Wiring diagrams for key vehicle systems. 700+ pictures & diagrams of your vehicle.2. Leaking Seals and Hoses. Leaking seals and hoses are another concern that can impact the MFWD system’s performance. Leaks can result in a loss of hydraulic pressure, leading to issues with engaging and disengaging the front-wheel drive. Inspection and Replacement.JOHN DEERE . AND 4850 TRACTORS TECHNICAL MANUAL TM-1259 (SEP-87) ... (4050,4250 and 4450 Tractors), TM-1354 (formerly TM-1258) (4650 and 4850 Tractors), CTMI (6466 Engines), and CTM7 (Radial Piston Pumps). SECTION 210—GENERAL Introduction and Safety Information SECTION 220—ENGlNE OPERATION AND TESTSThe John Deere 4050, 4250, 4450 Tractors Technical manuals are divided in two parts: Technical manuals are divided in two parts: repair and diagnostics. Repair sections tell how to repair the components. Diagnostic sections help you identify the majority of routine failures quickly. Technical Manuals are concise guides for specific-machines.I have a 4250 john deere tractor with a power shift transmission. The rock shaft seal went out and my helper ran it low oil. I fix it and fill the transmission back up with oil. now the transmission filter light comes on sometime and also the red stop light. I change the oil filter and didn't help. John deere 4250 problems, 1983 John Deere 4250 Tractor / John Deere 260 Loader Attachment Take a ride down memory lane in this well kept gem from John Deere! This unit also includes a John Deere 260 Loader Attachment. - available with or without loader attachment - serial number indicates year of manufacture as 19..., May 24, 2023 · John Deere 4250 Hi-Crop Engine. John Deere 7.6L 6-cyl diesel. Engine details ... John Deere 4250 Hi-Crop Transmissions. 16-speed partial power shift. 15-speed full power shift. Transmission details ... John Deere 4250 Hi-Crop Power. , Also, the traditional head gasket test is to let a tractor cool off completely, which is kinda hard in this weather, then remove radiator cap, and start tractor up. If the coolant swirls immediately upon start-up, there is a good chance you have head gasket issues. Check for coolant in your engine oil as well, on dip stick., Engine Troubles. One of the most common problems that skid steer owners encounter is engine-related issues. If you notice your John Deere 250 Skid Steer not starting or struggling to maintain power, there could be several reasons behind it. Some possible culprits may include clogged fuel filters, faulty injectors, or a malfunctioning fuel pump. , This John Deere 4250 is powerd by a diesel engine it has 466 ci or 7.6 L 6 cylinders the fuel tank capacity is 65 gal or 246.0 L. This machine has 4x2 2WD wheel drive system,15 forward and 4 reverse John Deere Power Shift transmission system. - John Deere provided us with the latest version of its 4250 service repair manual., Solution: Check the fuse for the fuel gauge. If the fuse is not securely in the socket, fix it. And if the fuse is blown, replace it. Remove the fuel sender and measure the pressure with a fuel pressure gauge. you will find the recommended fuel pressure in the owner’s manual of your John Deere 4520 tractor., Dec 23, 2010 · Also, No. The cab door has never been sprung or bent in any way. The guy that I got it (4250) from said that this door has been a hard shutter since the tractor was new. I have heard around that others have had problems with the same seal not sealing in the same exact location. But they just run the tractor without fixing the seal leak. , Jan 7, 2015 · JD 4050-4055 Thoughts. Hello all, I am looking at a JD 4050-55 series 100-115 HP tractor for baling hay on 160 acres. I'm really interested in used tractors because of price. The only reservation that I have is the fear of buying someone else's problems. I've found some nice looking tractors at around 6,000 hrs for $35,000-$40,000. , John Deere 4250 tractor engine. ©2000-2022 - TractorData.com®. Notice: Every attempt is made to ensure the data listed is accurate., JD 4250's are very good tractors. I've owned a 4255 since '93 that has over 10,750 hours on the tach with no overhaul that I've used JD Torq-Gard +50 oil changed every 250 hrs. One thing to keep in mind is the water pump is timing gear driven and if WP seal fails with a plugged weep hole the coolant ends up in crankcase., 1988 John Deere 4250 4WD, 144 hp, 15 speed powershift, 540/1000 PTO 120 PTO hp, 2 remotes, new 18.4-26 fronts, 650/75R32 rears, $41,000. Get Shipping Quotes. Apply for Financing. View Details., I have a 1983 4450 MFWD and I am having some wiring problems. First off the radio, interior light, and little clock on the ceiling will not come on work. I was driving one time and noticed the clock was lit up so i tried to turn on the dome light. The dome light lit for one second and then went off along with the clock, never to come on again., Norsemen Auction. Gimli, Manitoba, Canada R0C 1B0. Phone: +1 431-244-7972. visit our website. View Details. Email Seller Video Chat. 1983 John Deere 4250 Tractor / John Deere 260 Loader Attachment Take a ride down memory lane in this well kept gem from John Deere! This unit also includes a John Deere 260 Loader Attachment. ..., First step would be system pressure checking and internal leakage test to figure which clutches are leaking. If only C1-C2 are problem then tractor would be split between engine and clutch housing. fairly simple fix. Anyother leaking elements would be major cab removal/complete tear down. First need to figure which ones are leaking and trans ..., john deere 5200. redman135 said: It sounds like an electrical problem. Start with the easy stuff like are the fuses blown (fuse box and line fuse if any). If ok then get a volt meter and check if you have power at starter motor and at ignition. I am not very electrical so someone else will be able to advise further., Some of the most common problems wi th the John Deere 425 include dirty air filters, fuel line problems, and faulty ignition coils. However, effective solutions are available for these issues. For instance, cleaning the cooling fins and air filter regularly can help prevent clogs and improve the mower’s performance., IVT Issues. Infinite Variable Transmission (IVT) is a feature that sets the John Deere 8245R tractor apart. Users report issues such as jerking movements or the tractor not responding as expected to speed changes . These problems can be traced back to software glitches, mechanical wear and tear, or calibration issues ., John Deere owners can take a few steps to address overheating issues. First, check the coolant levels and top them off if necessary. The second is to replace faulty parts, such as the radiator, thermostat, or water pump. Lastly, checking for any clogs or other blockages in the air filter or cooling fan is also important., The john deere 2640 is a reliable tractor, but electrical problems can hinder its performance. Here are some common electrical issues: Dead battery: The battery can die over time, preventing the tractor from starting. Faulty alternator: If the alternator is faulty, it may not charge the battery, leading to starting problems., It can also cause the steering power to not work properly. A simpler reason that a tractor overheats is because there is not enough coolant inside of the radiator. Not having the main source of cooling the temperature will definitely cause the engine to overheat. It is also important to check the hoses for the coolant., I have a 4250 john deere tractor with a power shift transmission. The rock shaft seal went out and my helper ran it low oil. I fix it and fill the transmission back up with oil. now the transmission filter light comes on sometime and also the red stop light. I change the oil filter and didn't help., To address carburetor problems in the John Deere Z425, follow these troubleshooting steps: Step 1: Clean the Carburetor. Start by removing the carburetor from the engine and cleaning it thoroughly. Use a carburetor cleaner to remove any dirt, debris, or varnish that may have built up., I have a 1983 4450 MFWD and I am having some wiring problems. First off the radio, interior light, and little clock on the ceiling will not come on work. I was driving one time and noticed the clock was lit up so i tried to turn on the dome light. The dome light lit for one second and then went off along with the clock, never to come on again., Like the rest of its population, Japan’s hunter ranks aren’t just aging—they’re also shrinking. Since 1970, Japan’s hunter numbers have fallen by more than half, as Japan Times rep..., Apr 15, 2013. Messages. 4. Location. Lloydminster Alberta. Tractor. Johndeere 710. I recently bought a John Deere 4250 with forward gears 1 2 and 3 not working 4 thru 12 working and 13 to 15 not working, reverse 1&2 don't work but 3&4 do work. I'm looking for a diagnostics and repair manual. Sep 16, 2015 / John Deere 4250 powershift problems #2., Like the rest of its population, Japan’s hunter ranks aren’t just aging—they’re also shrinking. Since 1970, Japan’s hunter numbers have fallen by more than half, as Japan Times rep..., When it comes to maintaining and repairing your John Deere tractor, you want to make sure you’re using genuine John Deere parts. Not only are genuine parts designed specifically fo..., John Deere 4250 Hi-Crop Engine. John Deere 7.6L 6-cyl diesel. Engine details ... John Deere 4250 Hi-Crop Transmissions. 16-speed partial power shift. 15-speed full power shift. Transmission details ... John Deere 4250 Hi-Crop Power., Dec 22, 2018 · starter problem on 4250. Jump to Latest Follow ... John Deere 2030 w/245SL Loader John Deere 6415 w/640SL Loader John Deere 285 50" deck Stolen May 2017 , What causes transmission oil light to come on when it is under load for a. I have a 1982 John Deere 4250 MFWD tractor and the transmission oil light comes when it is under load for a period of time (after ~20 minutes). I changed the hydraulic and transmission oil filters and it has not made a difference, the hydraulic oil level is up to full., Jul 19, 2015 · Jul 19, 2015. #1. This tractor would have had two 6 volt batteries originally installed. We had a 4250 and two 4450's equipped this way. Always started fine. Don't know if having two twelves in parallel instead of two sixes in series would effect the charging. Your a/c should work fine at your present voltage. , The most common John Deere 425 problems are ignition module issues, fuel pump problems, engine stalling, emitting black smoke, and the battery not charging. If you …, Feb 5, 2018 · We have a John Deere 4250 that has a engine block heater that we use everyday in the winter months. The problem is that the heater element will go out in a years time. I have install 3 in our shop and last year we had the John Deere dealer install one and that only lasted one year and it went out again this weekend.