So, all the possible ways to troubleshoot the John Deere 12.5-liter engine problems are given below. The valve opens for continued lubrication should the filter plug or oil temperature is extremely cold. Back about 1990, we had a new 9600 and started corn shelling in early September, before most other people. John Deere component technical manual is delivered on 1 DVD, has a friendly interface that supports English. 5 Reasons Why Avocado Leaves Are Dropping. All possible causes of a frozen pregnancy, 7 Residential Solar Maintenance Errors and How to Avoid Them, 4 Errors with Kitchen Renovations and How to Avoid Them, An Informative Guide to Livestock Transportation, A Tool That You Need If You are Into Live Stream. While the oil filter is a critical component, you should also ensure that it is not contaminated during maintenance. One of the most important things to do is to keep up with regular maintenance and service. app_id: "NjjU9bpW0NKNa26g", It will also lead to lower horsepower and lower fuel efficiency. Save my name, email, and website in this browser for the next time I comment. This manual's coverage includes repair and basic diagnostic information for 9.0 L engines John Deere. The company offers a list of common problems in addition to available solutions. }, Ford 3000 Tractor Review: Should You Purchase It. Roller followers vs.traditional flat follower lower the horsepower required to move the valve train components. The cylinder head is made of a one-piece, heavy-duty special alloy gray iron casting. Therefore, you need to replace the fuel filter and the tractors air filter to fix this issue. The tools required in performing certain service work are identified in this manual. Key engine features such as the Variable Geometry Turbocharger (VGT) and the 4-valve head provide the ability to bring on new levels of the rate of torque rise and fuel economy. Unless the posters have actual warranty claim rate information - from the corporate level with verifiable source- dont trust anything that is posted regarding blanket statements on engine series. In the event a repair is needed in long-term operation, the engine can easily be re-reconditioned to newspecifications. As with any other engine component, the coolant system must be regularly checked and serviced to ensure it functions correctly. This would not cause the oil leaking into the cooling system but rather head gasket failure at the fire ring . (Answered). No offense to those who have them, but I wouldn't have bought the tractor if it was a Yanmar engine. LOL, When you ask for the repair part after telling you that you are the only one, they say "sold out the last of them just last night!". In this manual, you can see many pictures, diagrams, and step by step recommendations. Jarrod Horning south of Kalona would be a great independent mechanic to assess the situation for you. Read each procedure completely before performing any service. Maybe the yellow ones are just cheaper to ooerate or maybe we got incredibly lucky. We used to run 3 combines and trade every year for many years and now just own 1-9770, an '08 model, with 550 engine hours and it is being rebuilt right now. I am especially suspicios because EVERY engine maker takes heat with new engines, and now everyone statesthe EVERY tier 4 from EVERY supplieris junk- without ever even owning one. Moreover, you can also face this issue if the oil type is wrong. Its important to have your spark plugs inspected and replaced to prevent this from happening. There should be a farmer watchdog organization to rate reliability and weak points of machines and print them for all farmers to see. I guess this is progress. The problem is caused by a faulty pump. These air-to-air aftercooled engines deliver constant power over a wide range of rpm with a power bulge above rated power and excellent torque characteristics. You may need to clean it. If the oil isnt fresh, youll be able to use it for a long time. That still doesn't change the fact that you can spot "trends" by watching these boards. The brand produces high-quality and long-lasting machines, butlike any other tractor brandJohn Deere tractors arent perfect. John Deere manual is written for an experienced technician, but the owner or novice worker will also be able to find the information you need for basic procedures. Reminds of a girl I used to know. Therefore, claim the warranty of your tractor to save money. All 9.0 L engines use unique one-piece steel pistons for very high strength and resistance to wear. The AERA Technical Committee offers the following information on cylinder head cracks for John Deere 9.0 & 13.5L diesel engines. You can solve them yourself. It is cast in a John Deere foundry, with a close monitoring of quality. Trouble codes can help you identify issues and identify parts of the engine that need repair. 6068HF250 6.8 L Industrial Diesel Engine. Overall, transmission repairs are among the most common problems with John Deere tractors. Moreover, John Deere 13.5 liter engines can have trouble starting and stopping. These components can be found in the oil filter and are both very expensive. Bypass valve is integral to the canister. Any potential problems should be addressed as soon as possible to prevent further damage. Have them help you diagnose then weigh out an independent or pull the head yourself and find a machine shop to work on it. Cost to me is nothing. All 9.0 L engines use a 4-valve-per-cylinder design that allows a higher horsepower output than traditional 2-valve designs with similar displacement. The findings reveal that the 6620 series transmission experiences clutch pack wear if the tractor is put to serious heavy work. 4.5L Industrial Diesel Engine. Aside from the water pump problem, the users also experienced the engine stalling problem in the 112.5-liter engines of John Deere. Not trying to be a smarta$$ just what i hear and read on the net. 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. Valves and replaceable valve seat inserts are designed to minimize flow restriction. This year it did the same thing again, Best of luck. 168 - 298 kW (225 - 400 hp) Contact a Distributor. John Deere 12.5 liter engines, is a powerful and reliable power source for many industrial and agricultural applications. The problem is the cylinder sleeves float up or down. How To Keep Petunias From Getting Leggy? Why would they do that. Maybe you could set up some surveys? 4045CI550. Contact a Distributor. Weve scoured lists of issues reported by John Deere operators to bring our readers this comprehensive list of the most common problems with John Deere tractors. Same here. The 2 intake and 2 exhaust valves improve the airflow (pumping losses) both into and out of the engine. The put shims in and you are good to go. Optimized flow rate provides superior cooling capacity, Hollow center leaves room for MFWD drive shaft for improved crop clearance and no need for driveline shielding on MFWD or ILS axles, Allows engine removal without splitting tractor for improved serviceability, Engine, PowerTech Plus 9.0 L internal equipment, The 4-valve design positions the injector in the center of the piston and combustion chamber for even piston loads and mixing of fuel, Engine width is not changed greatly, allowing for a narrow tractor hood and excellent row-crop visibility. I can get 340 out of an 8520 if I pull it down far enough, but that doesn't make it a 340 PTO-hp tractor. Required fields are marked *. The PPC is responsible for many of the problems with the John Deere 12.5 liter engine. He had three "kits" with him. in.) Its the problem of "the denominator". Dividing the rpm change, itshows that a 9.0 L engine will achieve peak torqueat a35% quicker rate than the models it replaces. Camshaft is made from 1080 steel. A defective exhaust filter can cause your tractor to produce a lot of gaseous emissions and a flooded engine. Sometimes, service is difficult to procure for John Deere models that arent even that old. Problem 2. (Answered). 9.0L PowerTech Plus. That was good. Engine uses special powdered metal valve guide inserts with impregnated lubricant for proper seating and to prolong wear. Registering your new John Deere engine or drivetrain component makes it easy to get warranty service if you should ever need it. Loose main bearing caps Check bearing clearance; replace bearings and bearing cap screws as required. %PDF-1.3 The cylinder head is made of a one-piece, heavy-duty special alloy gray iron casting. The most common problems with John Deeres 13.5 liter engines can be quite frustrating. The 9.0 L engine uses a new camshaft system to provide the strength and durability required to operate the four valves in each cylinder. I had a blown head gasket on a 7.6. Other issues that have been reported include oil leaks, head gasket failures, and piston . John Deere 9230 4WD Tractors use a PowerTech Plus 9.0 L engine that uses a common rail to supply fuel pressure to the injectors. We could argue all day long about whether they do so in a timely matter - and whether they should be more aggressive with recalls - but in the end thats mostly corporate admin making those calls. You've got 10 months to do the work. While aftermarket parts may be cheaper, they are often not made to the same quality standards and may fail prematurely. You will make a clean swap of the filter element. $20,000 later a new long block installed and that pos got traded in. If you are not comfortable doing this yourself, it is best to have a qualified mechanic inspect and replace the spark plugs as needed. After having the salesman, service manager, and territory service rep tell us we didn't know how to set a combine, because no one else had any problems, the fireworks started. }, Tier 3 Selection Guide. In addition to the exhaust filter, you should also check the air intake and the oil pressure. See your John Deere engine distributor or servicing dealer. This problem is caused due to negligence in the maintenance of the tractor. Top factory hp rating on the . These cracks are located in the bridge area of the cylinder head and are caused by thermal-mechanical stress for all engines. These are some of the problems that pop up in the 12.5-liter engine of John Deere. When I asked the territory service manager what the other two kits were for, he sheepishly admitted that a couple other combines had problems. This manual's coverage includes repair and basic diagnostic information for 9.0 L engines John Deere. Farmers Weekly reports that the expert has seen more problems with the 6030 Series tractor than other models in the John Deere tractor brand lineup. The gear-driven, high-pressure fuel pump instantly responds to requirements for more or less fuel flow or pressure. Therefore, always use the correct type of oil recommended by the company. The spark plugs on the John Deere, 12.5 Liter engine can become worn and corroded over time, resulting in poor engine performance. The head gasket price sounds high,but definitely cheaper than a failed motor. The low-friction piston designincorporates an integral directed oil gallery, taking full advantage of the oil spray jet to improve piston and ring cooling, extendinglife. They talk about John Deere tier 4 engine not reliable. These tractors deal with brake repairs and, Canbus connector problems, and issues with the water pump. Can You Convert Bobcat Standard Controls to Joystick? Engine probably needs resleeved. After completing the CAPTCHA below, you will immediately regain access to the site again. Also, it is essential to inspect your engine routinely for signs of wear or damage. //email: VISITOR_EMAIL, Costs a lot, but keeps you rolling. Even with your experience, you really have to look at the statistics. Power Connect. Could we all be on to something? To purchase a catalog online, please add the product to your cart, fill in the contact form online. Once claim/failure trends have reached certain levels or concerning patterns, it prompts major revisions and recalls. The John Deere 12.5 Liter engine, is known for its coolant system issues. The operator of a 8030 Series wheel or track tractor is sure to notice the resulting tractorperformance gains made withplenty of torque and overall power. Keep your equipment running long and strong with JohnDeere Connected Support remote monitoring and diagnostic services. All said and done lawyers would be rich and the farmer left paying the bill AGAIN. Great guy, knew everything about a combine. At that price they are stealing from you, do they think you have a nuclear reactor in there. They get tired when they get older, but most don't have some sort of major mechanical failure that would indicate faulty workmanship. It will also lead to lower horsepower and lower fuel efficiency. Offer shim kits to get the liner height back to were it should be if needed. Located on left side of engine adjacent to the starter motor, Oil cooler receives 100% coolant flow to assure oil is cooled appropriately, Allows for excellent turn radius at narrow tread spacing. I'll have about 250 hours and in the last 10 years may have spent $10,000 total on our last machine. The worste thing to do -from a sales standpoint - is release unreliable equipment, and to many manufacturers credit i am rether impressed with their relatively low warrantly claim rate in ag equipment. You could get really lucky and its just the EGR cooler, no guarantees on that though. Either way, I would not finish last 50 either. Best bet is to have dealer diagnose. There is a procedure for the EGR cooler, tested a couple in my time at the dealer. I wouldn't hesitate to spend that kind of money on a machine that is in otherwise good shape, especially if I knew it well. ..but will also add that all engines fail (some catastophically, some related to surface wear), and they fail (IF all parts made exactly the same) at fairly reproducable rates. Regular inspection and seal replacement can help prevent many of these issues before they become more serious. Dipstick oil looks fine. has a bore of 118.4 mm (4.66-in.) You're a power user moving through this website with super-human speed. There is easy element disposal due to elimination of the metal filter casing. Keeping up with regular maintenance, using the right fuel, ensuring good cooling performance, and inspecting for leaks or damage are all key steps to preventing John Deeres engine from facing troubles. To the OP, good that you have dealer go through it each year. I personally can't imagine budgeting $5000/year in repair costs per year on my combine. We have had several power issues through the years, most of them were resolved. settings:{ John Deere 12.5-liter engines are powerful and reliable power sources for many industrial and agricultural applications. A third-party browser plugin, such as Ghostery or NoScript, is preventing JavaScript from running. Leaks can lead to several problems, including fire hazards and expensive repair bills. With proper care, these engines can provide long-term performance with minimal problems. This component technical manual (CTM400) covers the base information for POWERTECH 9.0 L diesel engines. This includes checking the fuel filter, fuel lines, and injectors for any signs of damage or wear. The machine will still run and even limp in to the dealer, but the crank is in two pieces. The proven, vertically mounted, top-load filter element is contained in a permanent canister. Thus, to fix the engine stalling issue, these are some reasons that need to be inspected. Plus, an intense vibration during operation seems to jar, loosen and potentially break or wear down moving parts, which leads to repairs. This free app provides information specific to the serial number for your John Deere engine. Funny, our dealer has four 9570's on their lot and all four have new engines in them due to being complete junk! Is this blown out of proportion like most things posted are? Enter your John Deere engine serial number to access emissions certificates, manuals, year of manufacture, and other important details. Pulling an engine down past rated rpm is done to establish a torque curve and compute torque-rise, not in order to get 400 horsepower out of a 375 horsepower engine. We're mandating all this BS that increases cost, reduces reliability, increases fuel consumption, and doesn't benefit the environment enough to even count. You've disabled cookies in your web browser. By the time i figured everything that I would replace, dampner, turbo was getting loose, etc., I opted for a reman with a 2 yr warranty. However, the procedure requires only that a production engine and radiator are used on a dynamometer test. Rumors has it that over 180 combine engines were replaced, together with tractors, sprayers, etc. //role: VISITOR_ROLE, Find answers regarding engine emissions, service requirements, and other commonly discussed topics. If the fuel pump contributes to this problem, then all that has to be done is to replace it from the authorized service centre of John Deere. Your engine will need to be cleaned frequently to avoid a breakdown. LOL!! But only trained technicians should use trouble codes to fix your machine. Ask them to show you the numbers. Below are some common reasons that your tractor may have problems. << /Length 5 0 R /Filter /FlateDecode >> engines. If the air filter is the case, then replace it from the nearest service centre. The users mentioned that the engine oil leaks and sometimes mixes with the coolant. Contact a Distributor. It replaces chilled cast iron from previous designs. The John Deere Integrated Emissions Control (IEC) system, as this twofold strategy is known, works to address the Tier 4 engine problems introduced by the new emission standards. Most go on to work long, hard lives. I have told my wife several times that I am thankful that I have my farms rented out. Youll be surprised how much difference it makes. Torque rise comparison - 8430/8520 Wheel Tractor. Bet they luv seeing you coming in ! Shop. This problem cannot be ignored because 12.5-litre engines are powerful. See your John Deere engine distributor or servicing dealer. And those are the only two they have in hundreds of 70 series. There are several ratings systems used by other brands. If your gas gauge is running high, the filter could be clogged. I think all the new emissions standards are just another example of how determined this country is to commit economic suicide. When the oil filter fails to work properly, the oil pump may need to be replaced. Most crate engines are factory rebuilt, but they can pull a new engine off of the assembly line. If anything, most failures can be attibuted to lousy service and maintenance. First year we owned it engine went. If I average out what I've spent over the last 20 years I'll bet my average for parts was less than $1000, and then I supplied my own labor. We had one 9600 that had over 5k engine hours and never any engine problems. I think this is driven by fear of technology that farmers will not likely be qualified to service (not that many have been able to service engines of the past 3 generations of engines.). The benefit of steel is that it is four times stronger than a cast iron and 62% harder surface for long life of the cam and roller lifters. 168 kW (225 hp) Contact a Distributor. This component technical manual (CTM400) covers the base information for POWERTECH 9.0 L diesel engines. }); Hopefully I'm on the front side of this. The first required change interval is at 3 years or 3000 hours. I think you have a viable plan. All Rights Reserved. Dont have a mobile device to use the PowerAssist app? Everything You Need To Know. I like forums because its like a "head up" on trends, but because of recall bias, they tend to over report failures, making normalization critical. If you see the trouble code 637.10 on your 70 Series combine, the crankshaft is broken in the #6 connecting rod journal. //etc FarmerGrows.com is a participant of the Amazon Services LLC Associates Program, an affiliate advertising program it is designed to provide an aid for the websites in earning an advertisement fee by means of advertising and linking to Amazon.com products. What You Should Know, 3 Options To Put On Tomato Plants To Save From Bugs, Are Ants On Trees Good Or Bad? Deere & Company. While these issues are the most common problems with John Deere tractors, that doesnt necessarily mean that they happen all that often. Apparently, the 7930 often deals with power-take-off (PTO) shaft drive loss issues. disableTracking: true Had a couple expensive years, but some were virtually nothing. How is the engine only rated and maximum power determined? Seems like the high hp ones have the most problems. It can't be good for longevity breathing the exhaust back in the engine. stream We had a 2 year warranty with that one. Engine Only at 1,900 RPM - 97/68/EC. John Deere PowerAssist App. All I know is this. I know of a new '10 model 9770 that when they were backing it off of the truck from the factory it was knocking. The machine will still run and even limp in to the dealer, but the crank is in two pieces. This can result in fuel or oil leaks, leading to extensive and costly repairs. I searched reliability and combines and found numerous issues with the late model 70 series combines. In each of the charts below, you will see the following key differences: When compared to the 8.1 L engine used in prior models, the cylinder bore is 2.5 mm (0.1-in.) Its there if they want you to see. It is in good shape. Previously, John Deere supplied similar information on their 10.5 & 12.5L diesel engines. If you do not replace the water pump on time, the water will start mixing with the engine oil and can cause serious issues in the tractor. There are new performance characteristics of the 9.0 L engines that assure excellent performance in most any situation. However, some users reported their problems while driving a 12.5-liter engine. I have many older Deere machines and have heard that JD reliability has gone downhill. The term "blow up" may not be the best choice of words, but i used it to get my point across- your right in stating most failures are related to surface wear, asnearly all parts are designed below the fatigue limit, and ussually by an order of magnitude. Local independent man. Engine Overheating Problems Overheating of your john deere can be due to clogged radiators and air exhaust systems. In the forums I visit, nothing irritates me more than warranty hearsay, and drawing conclusion from single or group of incidences---it makes no sense. Engines feature a heavy-duty, high-quality gray iron block. Hes also seen a lot of problems with John Deeres 7930 and 6930 series tractors. boxShadow: In addition to these problems, you should also pay attention to the engines oil. No longer around the dealer shop, but it sounds like Deere might have used some green blocks. You should consult with a mechanic if you need to fix the PPC on your Deere. However, if you are able to do this on your own, it will be much easier. ERG was fine, diagnosis was that it was probably a sleeve protrusion. PowerTech PSS. It's not a scientific poll, but around here about 25% of the 9870's sold in the past 2 years have blown up within the first 100 hours. Vinca Sun Or Shade: Where Should You Keep It? The 97/68 EC standard is required in the European Union (EU) as an emission test, so there issomerelation to the power a tractor has as a whole functioning unit. Using genuine John Deere parts will ensure that your engine runs at its peak performance for longer. Thus, you can resolve this by adjusting the timing of the injectors. We had the same problem. Everyone at Deere is frustrated at Engine works, simply because every engine issue becomes the larger machine's issue. Protect your engine for up to five years or 10,000 hours with a John Deere extended warranty. Simply scan or enter your John Deere engine serial number to retrieve option codes, emissions certificates, ECU information, and much more. Plus, there are ways to troubleshoot problems. Notify me of follow-up comments by email. Dealer will bring a demo. I wouldn't expect too much out of the 9.0. Yes there was a problem in 9L in combines with that. I think H006 engine code (below engine serial number on same tag) was the problem, at least in 70 series combines. They fixed it with H008, which I made sure my combinpe had. Liner heat treatment continuesabove the piston ring turnaround point. Thus, to save your money, claim the warranty of your tractor. Cast at a John Deere foundry for close monitoring of quality. Model and horsepower outputs are shown in the chart below. //disabled:true, ::tyZo>}.Z`qbax&p Wet sleeved, flanged cylinder liners are made of compact graphite iron for greater strength and stiffness. I have a late model 9660 combine with a 9 liter engine. Engine fuel and air systems have been redesigned to give excellent fuel consumption, improved . Several factors, including worn or damaged gaskets and seals, low oil level or quality, or a worn-out oil pump, can cause this. I don't believe it is a tier IV problem either as the mfgs. Other features of the piston provide for a high 16.3:1 compression ratio for improved cold-weather and high-altitude starting. During service, you may find that your machine is causing you problems. About 300hrs /yr corn and soybeans. The mechanic also said he had never had so much trouble cleaning an old gasket off of a pan. I wanted to do it right, complete overhaul instead of just fixing the one sleeve. 187-317 kW (250-425 hp) @ 2000-2200 RPM. Therefore, you can resolve this problem by installing new seals and tubes in the engine. Also, you have to keep checking the Mass Airflow (MAF) Sensor and have it cleaned very carefully as it can get worn out due to dust particles accumulation over time. In fact, some say these tractors are the most reliable tractors of all. The users mentioned that the engine oil leaks and sometimes mixes with the coolant. Maintains cooler head temperatures through high rate of airflow, Raises air-fuel ratio while reducing internal operating temperatures for improved reliability and fuel efficiency. 93-129 kW (125-173 hp) @ 2200-2400 rpm. Simply scan or enter your John Deere engine serial number to retrieve option codes, emissions certificates, ECU information, and much more. They brought another 9770 out, a '09 model, for us to finish wheat harvest with and we were the first to run it after a complete O/H. In addition, John Deere is known to change vendors frequently. Has never been a problem and has had great power. Information in this manual is organized in sections and subdivided into groups: At The Repair Manual we provide quality Repair and Service Manuals for John Deere. If you let them start you might end up with a bill for $20,000 or more. Camshaft is made from 1080 steel. Large oil pump has reduced loading with optimized oil flow. You do have to do bean counting, even if the numbers of failures are below older series, you must keep some sort of accounting system. Volvo Penta engines will also make use of selective catalytic reduction to meet emission standards. 6.8L PowerTech. Still, John Deere tractors are largely reputed for their reliability. - Section 03 explains Systems Theory of Operation. in.) Again, if you need help with inspecting or servicing the fuel system on your John Deere 12.5 Liter engine, it is best to have a qualified mechanic inspecting and servicing it as needed. You could get really lucky and its just the EGR cooler, no guarantees on that though. It is because if the air filter is blocked, then you will face the engine stalling issue.
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