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John deere 8630 problems?
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John deere 8630 problems?
take off across the field and the r. My gf dad has an 8630 that they've had for years and I can't believe they have run it as long as they have. 1978 John Deere 8630, 50 Series Updates, 7363 Hours, Quad Range,18. John Deere® Tractors - 8430, 8630. Discover effective solutions for the most common John Deere X390 problems. 1 liter, 275 HP, 16 speed quad range, 3 hydraulic remotes, 20. John Deere 8630 Transmission4x34 tires. I seems to have an hydraulic problem since when raising the rockshaft it lifts slowly and chatters. Aug 2, 2017 · However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. 4hp* WA-17↓ 1968-1970 *Estimated engine power for comparison only. Who needs a computer screen on the right side of a chore tractor anyway If you think the 6430 has a lot of electronics look at a 6125R under the hood, 6430. Oct 13, 2014 · You are RIGHT, there's a lube pump back there but it doesn't feed into the clutch operating pressure circuit, so for our purposes here, it can be ruled out as a problem. no apparent leaks in gasket. tractor will not move, am I having bypass problems. May 5, 2009 · John Deere. I'm leaning towards a problem with the gauge being that its a soldered circuit board that includes all of the other gauges together. The fluid in the front diff has been changed to no avail. I was wondering if someone could help me with the clutch problems on my 8630. When dealing with power loss issues on your John Deere tractor, there are a few steps you can take to diagnose and potentially fix the problem: 1. What should we be looking for as a cause? Apr 11, 2010 · I would say get rid of the 8630 and move to an 8640 or 8650. Apr 1, 2015 · I'm having low clutch lube pressure in my 8630. If you've ever tried to get a loaded airseeder moving in "D" range you will have a better understanding of my comments! T. The fuel pump may be failing to create enough pressure to send gas to the engine, or there may be a blockage in the fuel line. The pressures read between 30 on the low side and about 250 on the high side. Consult official literature from the manufacturer before attempting any service or repair. john Deere picked up today. Check the air filter: A dirty or clogged air filter can restrict airflow to the engine, resulting in power loss. Call (320) 634-4445 Email Seller. All known John Deere 8630 specification information. our john deere dealer went out of bussiness,i asked the mechanic if he would help. The John Deere Capital Corp. My gf dad has an 8630 that they've had for years and I can't believe they have run it as long as they have. The forward-tilting hood and the side exhaust were really eye-catching. This John Deere 8630 is powerd by a diesel engine it has 619 ci or 10. This video shows how to repair hydraulic leaks associated with the steering metering pump on a John Deere 4430 tractor. About John Deere Tractor. Gas tank is empty - Fill it up. Nov 27, 2011 · The 8630 failed the head gasket between 3 & 4 and actually eroded the top of each sleeve at the fail point. May 5, 2009 · John Deere. John Deere 8630 4WD Tractor Maintenance Guide & Parts List Common sense goes a long ways when maintaining your machine. The 4WD on my John Deere 855 isn't working. Manuals are offered for online viewing for model year. These issues often result from dust or debris build-up, causing the carburetor's needle valve to stick open. The big problem with 30-50 series is JD use the engine as a structure part of the frame, causing the block to twist. Nov 11, 2016 · Subject: Deere 8630 issues Hey guys I have a deere 8630 that the 2 speed blew up in last year and it did alot of damage when it did. Start new topic; Recommended Posts Posted November 27, 2016. The John Deere D130 is a D100 series lawn tractor. John Deere 8430 Engine: John Deere 7. However, this tractor is prone to several problems. Then I lost all clutch function. Jul 15, 2006 · Posted 7/15/2006 14:41 (#26823) Subject: John Deere 8630, 8640, 8650. 1L 6-cyl diesel: Engine details. Troubleshoot John Deere LT155 problems with our expert guide on common issues and reliable fixes for your tractor - drive with confidence. take off across the field and the red light for the hydraulic oil comes on. For the three month peri. recently tractor has stalled due to clogged fuel filters. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. We got a new to us 8630 4wd ('78) and we are looking for some info on the powershift function on the quad range tranny. Clutch pressure is low (bearly 150) when cold and after it gets warmed up it drop dramatically. John Deere. for 15k to 20k less than a 8960 and kept the 8630 for the cart. Compatible with John Deere Tractor(s) 4030, 4040, 4230, 4240, 4430, 4440, 4630, 4640, 4840, 8430, 8440, 8630, 8640; Replaces John Deere OEM nos AR82561; 3rd or 4th Valve; To validate your warranty: A contaminated system should be completely flushed by an authorized dealer. May 12, 2014 / JD 8640 hydraulic problems #6 Joined Jan 26, 2007 Messages 10,053 Location Coyote Flats,Tx Tractor JD 4255. The issue that I am having with it is that the hydraulics have little to no power along - Answered by a verified Mechanic Do you have John Deere 8430 problems? Do you need help finding a solution? Relax, this article contains a complete set of solutions. From 1998 through 2003, John Deere manufactured the 8630, a 275-horsepower tractor. Wiring problems happen very often behind the right battery where the cab harness. Hantavirus is a life-threatening viral infection spread to humans by rodents. John Deere 8430, 8630 Tractor Technical Manual Sample Preview. Gas tank is empty - Fill it up. ) and adjustment procedures (brakes, clutch, etc Here are some John Deere 6120E issues and solutions Engine Not Working. Nov 27, 2011 · The 8630 failed the head gasket between 3 & 4 and actually eroded the top of each sleeve at the fail point. This engine's iron sleeve is a brilliant design choice that should provide a longer service life. This tractor helped put Kinze Manufacturing on the map. DL-MEDIUM-TERM NTS 2022(25) (US24422EWB19) - All master data, key figures and real-time diagram. We got a new to us 8630 4wd ('78) and we are looking for some info on the powershift function on the quad range tranny. Nov 11, 2016 · Subject: Deere 8630 issues Hey guys I have a deere 8630 that the 2 speed blew up in last year and it did alot of damage when it did. The John Deere 345 Maintenance Guide: Keep Your Mower Running Like a Champ Posted 11/14/2009 07:25 (#923703 - in reply to #923402) Subject: RE: John Deere 8960 problem one place to check is the battery cable that feeds the cab power distribution/fuse board. ©2000-2021 - TractorData Notice: Every attempt is made to ensure the data listed is accurate. Seller told me it would not shift into D range, I have been told that this is most likely a linkage problem and not internal trans problem? Mar 3, 2022 · I am posting this to seek professional help with resolving clutch problems with two JD 8630 tractors. I seems to have an hydraulic problem since when raising the rockshaft it lifts slowly and chatters. One can of that solved all my AC troubles and got it cranking again. Re: John Deere Air Conditioning in reply to G/MAN, 08-06-2007 07:39:49. Efficiency was the advertising focus, noting that these tractors could be used throughout the season, not simply for tillage. Replace the fuel pipe if leaks are found. ©2000-2021 - TractorData Notice: Every attempt is made to ensure the data listed is accurate. Take the shroud/cover off beneath the gearshift levers and you might see the problem. f23 turbo build have removed and replaced shims several times. The John Deere 20 Series New Generation Tractors by Benjamin Hain: Usually available Quick View. The drier does not have a glass in it and it has been replaced, the compressor is engaging because the pressures are stabilized. ease up the jack to take pressure off the bolts of the axle and engine mounts and frame rails to take them out. New User #1. They are called boat anchors by John Deere techs and the only good thing about them is the tilt up hood. A lot of the problems with the 86's can be traced to the fact that Deere did not make a 400 hp tractorif you were a died in the wool green guy and wanted a big tractor you couldn't buy one, so you got an 86 and asked it to do more then it could John Deere 8630. View Full Listing AUCTION Related: John Deere 8630 Issues. Gas tank is empty - Fill it up. Aug 25, 2016 · I immediately pulled back the hydraulic lever to pick up the plow when I learned the plow wouldn't pick up. The 'lil guy did pretty good on HP once revved high enough for help from the turbo, but there's no comparison in torque. bootheeltractorpartsA-deere-8630-mechanical-trans--parts-1977216867A Stock # 216867PART DESCRIPTION - COMPLE. Member Dec 5, 2023 #1 hello MR Tim S. the crimp in the battery box where the cab cable is crimped to the main positive battery cable can rot out from the inside, limiting the amount. 6L 6-cyl diesel: Fuel tank: 156 gal 590. 5 L: Engine details. If you've ever tried to get a loaded airseeder moving in "D" range you will have a better understanding of my comments! T. I seems to have an hydraulic problem since when raising the rockshaft it lifts slowly and chatters. Remove the filter element and replace it. Jan 27, 2008 · 8630 with clutch pressure problems, all pumps working with main pressure of 2000#, clutch pressure 47# with 5# drop using clutch. 6 blinks on harman pellet stove All of this in a 20 sec time frame. The lever in the cab is working normally, even when the PTO is acting up. I have already checked and adjsuted end plays of shafts in torque divider housing and have even changed the cross bearing assemblies of the U joint but the noise is still there. Oil may leak around the engine or lower than normal oil levels. It was a new model in the 70 Series and one of the more powerful tractors of the four that were introduced at the time. Make Sure it Fits! Select model to ensure correct fitment Condition Used part numbers or trademarks , e CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. The book will show the location. I am looking into buying a good older horsepower John Deere 4wd to use a good 150 hours a year. Mar 10, 2018 · The 8430 had a little 466 CID engine and the 8630 had a 619 CID engine. Bill Marcusky; Apr 30, 2024; John Deere; Replies 1 Views 256. no apparent leaks in gasket. Problem #4: The Deck Belt. By identifying and addressing these issues promptly, farmers and operators can ensure the smooth operation of their equipment and minimize downtime. have removed and replaced shims several times. John Deere 100 series lawn tractors are a hit with homeowners due to their power, durability, and convenience. Apr 9, 2012 · I have a 8630 deere with hydraulic problems I have changed all filters and cleans all screens. Shop our selection of 8430 (75-78), 8440, 8630, 8640 products. Speed (Reverse): John Deere 8630 driver Weight. Checked the PTO clutch and brake pressures today and they are normal. mood sewing patterns Mechanic isn't finding anything yet. 8R34 tires, hub duals, local trade. 1 The John Deere X730 lawnmower features a powerful 25 But even that can start malfunctioning under certain situations. While we were unable to find any legitimate companies t. However, like any piece of equipment, it may encounter some issues along the way. Supply line inside tank, supply line down side of frame, transfer pump strainer, sediment bowl and gasket, and transfer pump its self I lugged my 8630 around for a couple of years before someone told me to check that line that hooks the intake manifold to the aneroid on the. Selective Control Valve Cover Plate for John Deere Tractor(s) 2520, 3020, 4000, 4020, 4030, 4230, 4320, 4430, 4630, 8430, 8630. I took the opportunity to drain the fuel tanks, thoroughly clean the supply lines and supply pump. From 1963 to 1972, Deere manufactured the 4020, arguably the most successful and iconic tractor in the "New Generation" series This was all about the John Deere 4650 problems. The 'lil guy did pretty good on HP once revved high enough for help from the turbo, but there's no comparison in torque. These issues can hinder your tractor's functionality and productivity, but with proper maintenance and repairs, you can quickly get your John Deere 7800 back in top shape. What should we be looking for as a cause? Apr 11, 2010 · I would say get rid of the 8630 and move to an 8640 or 8650. Compatible with John Deere Harvester (s) 5440, 5460, 5720, 5820. Mar 10, 2018 · The 8430 had a little 466 CID engine and the 8630 had a 619 CID engine. The lever in the cab is working normally, even when the PTO is acting up. Seller told me it would not shift into D range, I have been told that this is most likely a linkage problem and not internal trans problem? I am posting this to seek professional help with resolving clutch problems with two JD 8630 tractors. Nov 27, 2011 · The 8630 failed the head gasket between 3 & 4 and actually eroded the top of each sleeve at the fail point. 8 kW Drawbar (tested): 1987 kW PTO (tested): 2252 kW Mechanical From engine overheating to ignition problems, engine stalling, and spluttering, various John Deere D140 problems have been reported. It looked sharp, the paint was good and it had triples and a chrome exhaust stack.
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This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1975 to 1978. Nov 11, 2016 · Subject: Deere 8630 issues Hey guys I have a deere 8630 that the 2 speed blew up in last year and it did alot of damage when it did. John Deere X350 tractors might overheat due to the following reasons. sounds like the roller on the valve is eather broken or flatened, common problem. Consult official literature from the manufacturer before attempting any service or repair. Ford 8830 power shift transmission problem Views 1K Will91111 B. John S Kiernan, WalletHub Managing EditorMay 3, 2023 Drug abuse has a long and storied history in the United States, and we’ve been “at war” with it since 1971 under the Nixon admi. According to John M. We have a really nice 1977 John Deere 8630 4WD tractor with duals. The John Deere 8630 is equipped with a 100 cu·in) six-cylinder diesel engine and a partial power shift transmission with 16 forward and 4 reverse gears and hydraulic wet disc clutch. Then I lost all clutch function. When pushing the clutch pedal down you are stopping oil to the clutch, would make sense that is when the 3 pt works, 2 speed isn't that bad, turn all the way to the right, remove top shaft and you can see the housing that comes out. https://therepairmanual. forearm tattoo ideas Feb 22, 2012 · Check the SCV condition, when the tractor is over nite cold, start the tractor and wate about 2 min, then touch the side of the SCV body and see if one are warm and or hot, that would be a problem is leaking internaly. Might try turning from 1 to 8 several times and see if it clears. Apr 9, 2012 · I have a 8630 deere with hydraulic problems I have changed all filters and cleans all screens. Replaces Denso Mfg nos 190000-2500. Broken ring gear? Any thoughts or ideas? Thanks a bunch. A lot of the problems with the 86's can be traced to the fact that Deere did not make a 400 hp tractorif you were a died in the wool green guy and wanted a big tractor you couldn't buy one, so you got an 86 and asked it to do more then it could John Deere 8630. Mar 10, 2018 · The 8430 had a little 466 CID engine and the 8630 had a 619 CID engine. Our company and the listed replacement parts contained herein are not. Feb 22, 2012 · Check the SCV condition, when the tractor is over nite cold, start the tractor and wate about 2 min, then touch the side of the SCV body and see if one are warm and or hot, that would be a problem is leaking internaly. Feb 22, 2012 · Check the SCV condition, when the tractor is over nite cold, start the tractor and wate about 2 min, then touch the side of the SCV body and see if one are warm and or hot, that would be a problem is leaking internaly. Compatible with John Deere Tractor (s) 5820, 8630, 8640. Nov 27, 2011 · The 8630 failed the head gasket between 3 & 4 and actually eroded the top of each sleeve at the fail point. Consult official literature from the manufacturer before attempting any service or repair. See also: John Deere Z930m Problems. A short supply of power Replace the fuel pressure relief valve if found faulty Tighten the hose clamp. Jan 27, 2008 · 8630 with clutch pressure problems, all pumps working with main pressure of 2000#, clutch pressure 47# with 5# drop using clutch. Take the shroud/cover off beneath the gearshift levers and you might see the problem. 00 each,and each gear is about 175. I have a 8630 john deere with hydraulic problems I have changed…. craigslist hamilton ohio cars for sale by owner What should we be looking for as a cause? Apr 11, 2010 · I would say get rid of the 8630 and move to an 8640 or 8650. 1 L 6 cylinders ,it can produce 275 hp or 205. Subject: RE: IVT problems Deere 8530 kagen - 8/28/2018 22:30. One deer was found with almost 10 lbs of plastic in its stomach. I would buy a John deere manual at this point. Subject: RE: JD 8870 Good, Bad Ugly ? N Central IA. This is part of why Quad Ranges aren't real good cart tractors, and the. In this blog post, we will discuss common problems that can arise with the … John Deere 7130 Problems: Common Issues and How to Solve Them Read More » John Deere 8630 Decals and Emblems for sale at discount prices. While we were unable to find any legitimate companies t. Restarting the John Deere radio is a simple process. When pushing the clutch pedal down you are stopping oil to the clutch, would make sense that is when the 3 pt works, 2 speed isn't that bad, turn all the way to the right, remove top shaft and you can see the housing that comes out. tractor will not move, am I having bypass problems. tractor will not move, am I having bypass problems. If the fuel pump is tweaked properly it'll run on the smell of an oily rag at the low revs and you won't be able to stop it (plus they sound far. Jan 27, 2008 · 8630 with clutch pressure problems, all pumps working with main pressure of 2000#, clutch pressure 47# with 5# drop using clutch. I am looking into buying a good older horsepower John Deere 4wd to use a good 150 hours a year. Jun 19, 2022 #1 boy, u really be able to plow now. John Deere Ag Tractors. I took the opportunity to drain the fuel tanks, thoroughly clean the supply lines and supply pump. If you are a weed, we have some somber news. ap calculus unit 1 progress check mcq part a Just had a new one installed, and a new clutch pump installed. Flat Threaded Nested Posted 8/31/2021 21:25 (#9196205) Subject: Front wheel assist problem 8100 john deere The front wheel assist was staying locked in. The belt may slip, the mower blades may not be cutting, and there may be uncut or uneven sections of grass. We are suspecting a faulty injection pump. 4) Electrical Problems. However, users have reported some issues with this lawn tractor. ©2000-2021 - TractorData Notice: Every attempt is made to ensure the data listed is accurate. The 8650 had the sides of the exhaust valve stems worn off severely, from breathing out fire. I have heard people having trouble with the 8630 transmisions. One of the most apparent signs of a hydraulic issue is leaking hydraulic fluid. Ford 8630 Power Shift Disaster. Feb 14, 2005 · Probably in the linkage and/or cables. The 8640 has just a little more hp. 8630/8640 Deere 4WD opinions Jump to page : 1 Now viewing page 1 [50 messages per page] View previous thread:: View next thread Forums List-> Machinery Talk:. Subject: RE: IVT problems Deere 8530 kagen - 8/28/2018 22:30. The 8440 SHOULD be more reliable and less likely to give catastrophic engine problems. take off across the field and the red light for the hydraulic oil comes on. Mechanical: Chassis: 4x4 articulated.
Checked the PTO clutch and brake pressures today and they are normal. Jan 27, 2008 · 8630 with clutch pressure problems, all pumps working with main pressure of 2000#, clutch pressure 47# with 5# drop using clutch. I seems to have an hydraulic problem since when raising the rockshaft it lifts slowly and chatters. Deere News: This is the News-site for the company Deere on Markets Insider Indices Commodities Currencies Stocks Deer velvet covers the bone and cartilage that grows into antlers. recently tractor has stalled due to clogged fuel filters. Posted 1/31/2010 21:50 (#1051684 - in reply to #1051588) Subject: RE: JD 4030 tractors, any issues? Shaftsbury, Vermont (SW VT) You SHOULD be able to do OK. the concept of perceapercent20href 248): In Reply to: 8630 posted by SteveGr on January 24, 2010 at 05:37:43: I've had a lot of experiance with 8630's, the engine problems were 1,the camshaft driven oil pump (which was taken car of with the newer engines "crank shaft" driven pumps,2, The "flexing " of the engine. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. If you've ever tried to get a loaded airseeder moving in "D" range you will have a better understanding of my comments! T. Jan 27, 2008 · 8630 with clutch pressure problems, all pumps working with main pressure of 2000#, clutch pressure 47# with 5# drop using clutch. The 8650 had the sides of the exhaust valve stems worn off severely, from breathing out fire. Late modle engines will fit right in them, some of the newer short blocks required that you change the front mounts, because of a bolt patern change. senator investment group Compatible with John Deere Tractor (s) 5820, 8630, 8640. have removed and replaced shims several times. The 8650 had the sides of the exhaust valve stems worn off severely, from breathing out fire. no apparent leaks in gasket. One of the most apparent signs of a hydraulic issue is leaking hydraulic fluid. have removed and replaced shims several times. I know this tractor have a bad reputation with clutch issues, but we have no choice but to fix them to get. Does not include steering column or shaft. clapping her cheeks Another common problem is a malfunctioning fuel pump, which can prevent fuel from reaching the engine altogether. ) and adjustment procedures (brakes, clutch, etc Here are some John Deere 6120E issues and solutions Engine Not Working. It looked sharp, the paint was good and it had triples and a chrome exhaust stack. John Deere 8630 4WD Tractor Maintenance Guide identifies service schedule parts, maintenance intervals & common John Deere parts for this model. John Deere 8630 tractor overview. We've got an 8430 with no problems so far Our 8230 has had something replaced on the fuel pump and has had the lift pump replaced.
I know this tractor have a bad reputation with clutch issues, but we have no choice but to fix them to get. Jun 4, 2023 · Sounds like 2 speed or clutch issue. If you're not happy with either and can't resolve the issue directly with the seller, you can report the problem to us for further assistance. The local tractor wrecker had an. When pushing the clutch pedal down you are stopping oil to the clutch, would make sense that is when the 3 pt works, 2 speed isn't that bad, turn all the way to the right, remove top shaft and you can see the housing that comes out. I have heard people having trouble with the 8630 transmisions. Ensure smooth operation with our comprehensive troubleshooting guide. On the John Deere 4230, common signs of transmission and PTO issues include difficulty shifting gears, strange noises coming from the transmission, and PTO shaft failure. If not a 4630 should be under $13,000 unless it's a really special tractor. Feb 22, 2012 · Check the SCV condition, when the tractor is over nite cold, start the tractor and wate about 2 min, then touch the side of the SCV body and see if one are warm and or hot, that would be a problem is leaking internaly. sounds like the roller on the valve is eather broken or flatened. I checked front pump in front of engine I have 2000lbs at idle. land for sale upstate sc Ensure optimal performance & reliability with our troubleshooting guide. holders are affiliated with Yesterday's Tractor Co. Find equipment specs and information for this and other Tractors. A lot of hydraulic problems are caused by blocked filters and in turn jammed or broken filter bypass valves. If you aren't sure, please call to verify compatibility before ordering Our pumps are guaranteed to replace the OEM part. What should we be looking for as a cause? Apr 11, 2010 · I would say get rid of the 8630 and move to an 8640 or 8650. Mar 10, 2018 · The 8430 had a little 466 CID engine and the 8630 had a 619 CID engine. John Deere 1020 tractor owners experience carburetor problems that hinder the machine's performance. What should we be looking for as a cause? Apr 11, 2010 · I would say get rid of the 8630 and move to an 8640 or 8650. A lot of hydraulic problems are caused by blocked filters and in turn jammed or broken filter bypass valves. 30 series reliability was very poor for us, but I think they got the bugs out in the 40 series. WARNING: Cancer and Reproductive harmP65Warningsgov. Mar 10, 2018 · The 8430 had a little 466 CID engine and the 8630 had a 619 CID engine. In this case, the jump on John's clock for Hunter after the fr. Oct 13, 2014 · You are RIGHT, there's a lube pump back there but it doesn't feed into the clutch operating pressure circuit, so for our purposes here, it can be ruled out as a problem. Jun 19, 2022 #1 boy, u really be able to plow now. sounds like the roller on the valve is eather broken or flatened, common problem. f150 free ford wiring diagrams Clutch pressure is low (bearly 150) when cold and after it gets warmed up it drop dramatically. Send an Email parts2@spencerdiesel Call Us (800) 658-3326 (712) 262-5267 General Store; Home Ag-Co Belarus Buhler Case-IH. Gas tank is empty - Fill it up. We upgraded from a 4640 a few years ago, and have most of the same tillage equipment. I have heard people having trouble with the 8630 transmisions. Consult official literature from the manufacturer before attempting any service or repair. I took the opportunity to drain the fuel tanks, thoroughly clean the supply lines and supply pump. 8 kW Drawbar (tested): 1987 kW PTO (tested): 2252 kW Mechanical From engine overheating to ignition problems, engine stalling, and spluttering, various John Deere D140 problems have been reported. This video runs through how to check your transm. 1976 John Deere 8630, 4WD, 6400 hours, John Deere 10. Almost all buyers would suggest this monster to a friend. The drier does not have a glass in it and it has been replaced, the compressor is engaging because the pressures are stabilized. These issues can hinder your tractor's functionality and productivity, but with proper maintenance and repairs, you can quickly get your John Deere 7800 back in top shape. sounds like the roller on the valve is eather broken or flatened, common problem. Aug 31, 2007 · As I plan the acquisition of a big tractor I recently went to see an articulated JD model 8630 (one of the last produced with SN 8130). To fix this problem, you'll need to check the air filter, clean the battery terminals, and test the ignition switch Clogged Mower Deck: Another common issue with the John Deere X360 is that it can become clogged with grass clippings and debris. Jun 28, 2009 / John Deere A/C recharge question??? (2555) #4. Nov 27, 2011 · The 8630 failed the head gasket between 3 & 4 and actually eroded the top of each sleeve at the fail point. It gives the owner/operator instructions, shift patterns, capacities (anti freeze, crankcase, oil, hydraulic, etc. John Deere 8630 tractor overview. Phone: (989) 272-4597 View Details. Story Notes. I know this tractor have a bad reputation with clutch issues, but we have no choice but to fix them to get. The 8650 had the sides of the exhaust valve stems worn off severely, from breathing out fire.