Bobcat leaking hydraulic fluid. the box thing has 7 or 8 hoses running to it.
Bobcat leaking hydraulic fluid C eck tires for wear and pressure. 16. Never fill fuel tank with engine running, while smoking or when near open flame. Today, Bobcat’s compact machines serve you—the farmers, builders, landscapers, and power professionals—with the same reliability and care that launched our story. Shutting off problem 5. Hydraulic oil entering the chain case often results from excessive pressure on the case drain return lines of one or both motors. pulled motor and pump. new air cleaner . The first time I found it must have built up too much pressure and had bent Safety treads must in good condition. 18. polished swash plates,replaced all hydraulic hoses with new,replaced side seal plates on pump, installed a seperate high flow hydraulic system. The hydraulic system has a pump with fluid flow rate of 15. Thanks. So we repaired the hose, changed the fluid and filter, and to my dismay the problem was still there. 23. However, my drives remain strong until the fluid leaks out in about 30 minutes. I am not a Aug 13, 2007 · So, my Bobcat decided to leak fluid everywhere, originating from around the spool valves (though I'm still not sure exactly where) on the control valve block. Nov 1, 2006 · Did not notice oil leaking when running. Regular maintenance includes checking hydraulic fluid levels and avoiding Jan 5, 2008 · Search this forum Printer friendly version E-mail a link to this thread The Bobcat 773 F-Series skid steer loader is powered by Kubota V2203-EB 4-cylinder water-cooled diesel engine with a rated power of 46 hp (34 kW) at 2800 rpm. Learn to tackle engine, transmission, hydraulic, electrical, and more issues for a reliable machine. If you decide to rebuild the drive, a new seal kit might solve the issue, but it's essential to ensure you have the right Aug 31, 2016 · I'm new to this type of forums. anybody seen a leak from this location on the hydrostatic pump? When looking towards the cab it's on the left up from the drive motor. Bobcat Drive Motor Troubleshooting using a Hydraulic Porta Power Jun 5, 2011 · 753 started blowing hyd fluid out the sides from the fan port. Leaks on the Planetary Side of a Final Drive The presence of a thicker fluid would point to leaking gear oil, which indicates the leak is on the planetary side of the final drive (where the gear system is located). Search for a Bobcat equipment dealership in your area. Dec 9, 2023 · It started with a small oil leak and then I lost all my hydraulic oil. Lot's of old equipment have leaky hydraulic hoses and fittings. Metal-on-metal noise signals possible internal pump or valve Sep 24, 2023 · 5 Solutions For Bobcat 610 Common Problems 1. Don' Mar 27, 2017 · No leaks from the swivel joint or any other hydraulic components in that area and it is very likely the lower seal on the swing box is leaking oil into the cavity. But more than just a nuisance, leaking hydraulic couplers pose serious safety risks if not handled correctly. I have a Bobcat 763 that has developed a leak. ran it for a coulple hrs and no leaks visable and the hydraulic fluid level is now staying full . Need to diagnose this part it's leaking good. Sep 15, 2023 · Fix Bobcat 773 problems with expert guidance. (Will not be able to fix before storm due to the location of the leak). Im going to suck out all the oil and try to identify where it’s coming from after work. Here's what I know: It's been leaking small amounts of hydraulic oil out of the back of the oil pan for a while, with no apparent operational issues (other than, ya know, leaking oil Oct 31, 2024 · Experiencing leaks in your Bobcat auxiliary hydraulic couplers on excavators or skid steers can be frustrating, especially when they disrupt workflow and increa Sep 12, 2012 · All, I know this subject has been hashed over several times, but I have reason to believe my 743B is leaking hydraulic fluid into the chain case. 6 gpm (59 lpm) or 25. There is no fluid on or under the hydrostatic pumps or Dec 24, 2010 · Here's a component that has been mentioned at various threads and folks have asked what kind of project is it to repair, the simple joystick control valve. I also found that my hydraulic fluid had water in it and was milky. So i took the bellypan off and I cant tell much but it is leaking out fast is their a seal or gasket that could be busted? Is your zero turn mower experiencing a hydrostatic leak? Does it whine or squeal and lose power to one side or the other? Maybe the pump is not working. tore pump section apart and replaced seal from bobcat dealer. If not add motor oil dye to the hydraulic system and after 5-15 minutes it should show right up using a black light, etc. It was time for some new hydraulic lines. I don't see any obvious leaks while the machine is running, but she sure marks her spot when parked. Any suggestions on what I may have broken from the bobcat excavator experts out there? (photo 1 of tree pieces to be moved attached) Aug 29, 2024 · I have a 2016 Bobcat T770 with 2150 hrs. Here's the fix. Based on what I have read and Hydraulic fluid leaks in the Bobcat 853 commonly stem from faulty spool valves or deteriorated seals within the valve assembly. Hydraulic problems 3. C. It looks intimidating. I noticed some hydraulic oil dripping out from under the machine today getting it ready for snow tomorrow and found a small leak under the cab. After taking the track off, May 15, 2008 · Upon further examination I found a hydraulic leak on one of the small lines on the left side drive motor. You rely on the performance, toughness, comfort and versatility of our machines and attachments. Partner with a local Bobcat dealer for exceptional sales, service, and support throughout the ownership of your equipment. I read another thread with very similar symptoms. Can you spot the problem? The first 10 people to spot the problem and the symptoms it would cause will Never service or adjust loader with the engine running unless instructed to do so in the manual. Jun 1, 2012 · I have a 610 bobcat that is leaking what appears to be hydraulic fluid in the rear end of the “passenger side”. (I opened the plug at the front of the chain case to find clean oil (probably hydraulic fluid) gushing out. 17. Never service or adjust loader with the engine running unless instructed to do so in the manual. Replace case drain filters regularly to maintain flow. Inspect all hydraulic lines at the rear, focusing on hose connections and quick couplers. If Feb 1, 2011 · I have a Bobcat model T200 that i bought last year and have maintained pretty religiously, anyway. It leaks enough to drip on the shop floor when sitting. the box thing has 7 or 8 hoses running to it. I just replaced a hose that ties in off the bottom , both my drain case filters and hydraulic oil filter. Check for leaks in tank itself, suction hose from tank to gear pump, and case drain line (small hose going into bottom of the tank). Then you have the rotary distributor (or rotary joint) that sends oil to the lower components such as the drive motors. lots of extra work. Dec 17, 2019 · Most likely the spool seals on the main hydraulic control valve just above that wet hose is leaking, problem as common as the name Bobcat. Whether you're working on a tight urban site or a large-scale construction project, our mini excavators offer the perfect blend of power and precision. Bobcat Company launched the compact equipment industry more than 60 years ago, and we’ve been making tough jobs look easy ever since. Dec 15, 2008 · i have a 1995 year model melroe 753 c series bobcat and it is leaking hydraulic fluid from underneath the seat from wat looks like a pressure release valve located on a box thing on the left side when facing the front of the cat. There are two of these holes, one on the left side of the vehicle and the other on the right but Nov 7, 2022 · First off, thanks for any help with this. Check the condition of Feb 4, 2024 · Axle Oil Seal Maintenance advice for hydraulic systems Regular maintenance is crucial for preventing hydraulic system issues with the Bobcat 763 skid steer. I have a bobcat 453 I bought as a project. Browse our local inventory of available Bobcat compact tractors for sale by local dealers. heck the condition of th el 20. Inspect hoses for cracks or loose fittings first. Dec 26, 2024 · It will eventually stop leaking. Hydraulic fluid is coming through the bolts on the access cover in the area right between the foot controls. Looks like someone had "siliconed" it and Jul 25, 2012 · I noticed the other day when i went to walk the excavator across my property and it left a trail of oil behind me. Inspect shuttle valves for sticking, which can cause pressure buildup. . I’ve replaced a lot of the hydraulic hoses and some of the hoses from the hydrostatic pumps. It's had a very slow hydraulic leak for some time but I didn't notice where it was leaking. From excavators to skidsteers, variations of this type pilot oil control valve are used on many machines nowdays, and the most common Sep 20, 2016 · Hello there skid steer forum. Click to expand Aug 7, 2015 · I have a bobcat s175 steer and have noticed it a little low on hydraulic fluid (the ball is at the bottom of the site glass). What I also did is raise the boom in the air , install the safety arm and tilt the bucket forward thinking I Jan 2, 2004 · Hi, I have an older 743 and have a massive hydro leak that as peculiar as it sounds I am having trouble narrowing down exactly where it is coming from. Put a new cap on the reservoir still leaking. Leaking issue 4. Its coming from the very bottom of the machine, looks like right behind the snap ring. Oct 31, 2024 · Experiencing leaks in your Bobcat auxiliary hydraulic couplers on excavators or skid steers can be frustrating, especially when they disrupt workflow and increase maintenance costs. Mar 24, 2013 · Hey guys, purchased this mini ex and the swivel is leaking. Check the hydraulic pump and cylinder seals for cracks or deterioration. the left side is still slower than the right and when I start it the machine wants Sep 27, 2010 · There is a seal on the output shaft of the reduction gearbox, if it leaks, it's generally gear oil. Jul 28, 2008 · I own a Bobcat 863 that leaks hydraulic oil internaly mostly when i am running attachments. There is Sep 8, 2011 · Machine was running great, has approx 1800 hrs. If leaks persist, remove the valve block to check spool condition and seal integrity. This just happened last night after putting out some round bales. If it's leaking just a bit, and you don't use the machine much, just keep your eye on the fluid level and add more hydraulic fluid as needed. Jun 15, 2010 · Have you ran the engine with the cab up and looked for the leak? A leak that bad should be spraying oil all over. I used a siphon hose to remove some more I show how to fix this hydraulic leak on a 763 Bobcat. The Bobcat 763 skid steer loader is powered by 134 cu. First, I get a small amount of fluid dripping from a small rectangular hole on the bottom of the Bobcat. Any ideas where i should start or May 28, 2009 · I have a 773G with 890 hours on it. 2L) Kubota V2203-EB 4-cylinder water-cooled diesel engine with a rated power of 46 hp (34 kW) at 2800 rpm. Recently, it began leaking so fast from under the cab that it leaves a continuous trail of fluid. Any ideas Dec 4, 2020 · For those who don't know some hydraulic oil will bypass or leak through the geroller assembly and go into the cavity between the motor and the side of the chain case. - will have to calculate the ratio dependent on your hydraulic capacity, mine is a 22 gallon system, so takes quite a bit to get it to show. If the drive motor itself is dry and functioning well, the issue might indeed be with the reduction seal rather than the drive motor. So any leak in the tank or lines and fittings into will drip on the gear pumps. It can penetrate the skin or eyes. Bobcat’s mini excavators, available in both diesel and electric models with capacities up to 9 tons, are ready to dig into your next challenge. Lubricate the machine. Aug 24, 2025 · Written in a question-and-answer format, this blog addresses the critical question: How to diagnose and fix hydraulic system failure in Bobcat skid steers? We’ll explore causes, symptoms, diagnostic steps, repair solutions, and preventive maintenance tips to keep your machine running efficiently. Check hydraulic fluid level, engine oil level and fuel supply. Variable speed controlling issue 2. It appears that it only leaks when I lift the bucket but I don't know how to do that when the cab is up?? It's a pretty serious leak. 14. And now I’m currently having an issue with the hydrostatic pumps leaking. I am new to this machine and excavators for that matter but wondering if any advice is available on fixing this myself. Looking closer at where the oil was coming from it was coming out of the black compartment on the left hand side of the machine (looking from the front). She is an old T870 BOBCAT SKID LOADER, I'm having trouble with the final drives leaking Hydraulic fluid. Could that allowed air into my system and creating a problem? The bobcat dealer replaced the breather cap. I Jul 6, 2012 · Evening folks. 00 each time Jun 2, 2016 · I found one of the hoses going to the inline filter was leaking and replaced that also . For more than 60 years, Bobcat Company has built compact equipment that helps you work more efficiently and effectively. To start your search, simply enter your zip or postal code and select your preferred distance from the location. 863 f running right, what part of the system should I look at if my chaincase is filling up w/hydro oil? it empties the tank and I pressure washed everything under the cab and can find no leaks so I'm thinking a seal or Oring is bad and filling the chaincase. All of the sudden a warning buzzer went off and hydraulic fluid was dumping from the underside of the machine. Jul 19, 2012 · Hey guys, I'm new to bobcats and hydraulics and am looking for some insight on a problem with the hydraulic pump on a T300. Noticed hydraulic fluid leaking from toe hole under right front pedal. also new hydraulic fluid and filter and oil in chain case . Literally lost 3 I have a bobcat 763 and I believe hydraulic fluid is leaking from beneath the machine near the right rear wheel. 13. Everything you need to how to replace (remove / install) leaking final drive hydraulic line hose on Bobcat Skid steer track loader. Lubricate the loader. I brake-cleaned and blew off the whole area. Replacing worn seals or the spool can stop leaks. Refilled with fluid, cab up, started machine, no visible leaks but fluid is rapidly collecting on right hand side. I originally thought I had blown the hydro cooler, but after pulling the panels and running it, the oil is down lower and it was blowing up Hydraulic fluid squirting on the right side with no drive or bucket control suggests a leak in the hydraulic lines or fittings. Only leaks when going up and down hill. Worked on flat ground pushing snow and did not leak. Raise the cab to check for leaks under pressure. Bobcat® attachments and implements help you get more done in less time, gain versatility, replace less-efficient machines and give you the tools to accomplish major projects. Check the condition of the battery and cables. I have a Bobcat 530 Hydrostatic that the hydraulic oil leaks out of while it is sitting. Overheating issue FAQs When dealing with overheating issues, is it okay to use Bobcat 610? What type of hydraulic fluid does the Bobcat 610 use? How to solve the Bobcat 610 Backfires and won’t idle Is it time to replace the hydraulic fluid on your Bobcat® M, R, or R2-Series compact excavator? Watch this video to learn how to complete the procedure. For more than 60 years, Bobcat has built compact equipment that helps you work more efficiently and effectively. C Ch ck hydraulic fluid lev lev hy 17. Safety treads must in good condition. It is clear and clean like in the reservoir, and I have to add about 2qts a week to the hydraulic reservoir. Transform your property with versatility and performance with Bobcat compact, sub-compact, and articulating tractors. Lost tilt of bucket. In this Shop Talk Blog post, we are going to discuss some of the most common issues with Bobcat final drive motors, including main bearing failure, case drain issues, and charge pump problems. Nov 20, 2021 · Hi folks! Hoping you can help me with an 863, for which I've suddenly inherited care-and-feeding responsibility. Would May 24, 2006 · Hi , I`m trying to replace the hydrostatic fluid in my 773 bobcat . I was hoping for a bust line but I have fluid coming out of the rear hub which appears to be hydraulic fluid. Avoid contact with leaking hydraulic fluid or diesel fuel under pressure. no hoses are Jan 10, 2012 · Do you have to add hydraulic fluid to reservoir occasionally? If yes, leak could be any number of connections under the cab. I have a bobcat 773 I bought last year to work around the house. I'm not talking a drip here and there, I'm talking waking up one day, checking the fluid before operating the machine and realizing its Apr 14, 2003 · The oil was flowing down the inner side of the right traction motor I traced the oil trail back and it starts in the driveway right where I pressed the high speed pedal, and it lost oil continuously after that. These fittings take a lot of abuse from hydraulic pressure and ex Bobcat control valve leaking at the spool seals, but there is another issue with the valve. The dealer at the time said that to May 24, 2006 · I am leaking hydraulic fluid when going down a fairly steep hill or backing up the hill. Regularly clean the area to spot leaks early and Aug 26, 2007 · A while back I sprang a leak in the hydraulic oil reservoir and I took the machine into the dealer. Machine still able to steer and raise bucett. Customer: I have a 763 bobcat, and I'm experiencing a hydraulic oil leak from the drive motor to the chain case. Apparently it was leaking from between these two pieces (red arrows): The two pieces of the pump easily separated there, but I pushed them back a bit for that May 12, 2024 · Assuming not: Clean machine thoroughly, that alone may enable you to see the leak. If it leaks, it will be hydraulic oil. FW TC-0308 SM ion th air cleaner for damage or leaks. Use only appro ed r c 23. shaft looked good no grooves. 8 gpm Jan 29, 2014 · Search this forum Printer friendly version E-mail a link to this thread Jun 12, 2018 · Here at Texas Final Drive, we troubleshoot, repair, and remanufacture many final drives that come off Bobcat machines. Sep 27, 2014 · The bucket hydraulic cylinder is leaking a little bit when extended all the way out! and making a suction noise at the very end of retracting back in. Pulled up the cab, and am not sure how to access the fan. Mar 30, 2025 · My older 642B is leaking hydraulic into the chain drive box at an alarming rate. Any ideas? Check And Replace Chaincase Fluid On Your Skid-Steer Loader Is it time to check or change the chaincase (aka final drive transmission) fluid in your skid-steer loader? Watch this video to learn how to complete the procedure. 00x16. I just replaced the belt, so that's not the Dec 9, 2023 · Bobcat 763. I have removed both chain drive motors and cannot visibly see any issues with the . Check the underside of hoses that lay across other lines or that rub on the frame. Monitoring pressure levels and BOBCAT LEAKING FINAL DRIVE HYDRAULIC HOSE REPLACEMENT. Feb 17, 2015 · I have Bobcat 873. I had the problem fixed by bobcat twice at $2500. The fluid comes out of the Hydraulic pressure switch, where the wires connect to the switch. Sep 23, 2017 · A friend has a Bobcat CT235 tractor w/ FEL & he's got a hydraulic leak coming from a "bolt" under the right side floorboard. The hydraulic system has a pump with fluid flow rate of 16. A friend of mine has a bobcat 763 C-series and is leaking hydraulic oil from what I think the service manual calls the hydraulic control valve (pages 79-104). Check for correct function of indicator lamps (Optional on some models). Inspect for fuel, oil or hydraulic fluid leaks. I now have all the leaks fixed and noticed the top of the 3 gear box covers Feb 13, 2013 · I went to top up our 743 Hydraulics this afternoon and 10 minutes later noticed hydraulic fluid on the ground. Aug 20, 2022 · Hi guys. when I opened up the back fluid was coming from the fan shroud. It turns out the the edge of the battery had been in contact with the plastic material that the reservoir is made of and had apparently rubbed a hole in it. This includes checking hoses and fittings for damage, replacing the hydraulic fluid and filter at the suggested intervals, and maintaining a clean, debris-free hydraulic system. We lifted the cab looking for the source but didn't see anything, but For more than 60 years, Bobcat Company has built compact equipment that helps you work more efficiently and effectively. It seemed to lose power as well, almost like if the main drivebelt were bad. 15. Inspect hoses, couplers, and the hydraulic pump for damage or wear. I put a good 5 gallons of hydraulic oil before the dipstick could see any Jan 20, 2023 · A significant hydraulic fluid leak under the engine usually stems from damaged hoses, loose fittings, or worn seals. When taking the lift up! I can see the fluid coming out of the cap, And when letting the lift back down the fluid is sucking back into the Nov 1, 2017 · A clogged case drain filter can cause the internal seals to blow and the final drive to start leaking hydraulic fluid. in (2. There is a drain plug for the chain case fluid and the fuel tank, these are located under the Mar 31, 2020 · My 773 leaks hydraulic fluid out of hole near the rear axel, (on the underside of the skidsteer, was a slow leak, only sometimes, especially when its cold), recently I started up the bobcat and it started gushing fluid out of the same spot(in 10 below weather). A dry reservoir indicates fluid loss, so refill with the correct 14-quart hydraulic oil. 863 Bobcat Everything you need to know about one of the best Skid Steer’S ever made . Inspect the air cleaner for damage or leaks. I fill up the hydraulic tank and I can run about 15 to 20 minutes before experiencing steering and raising the bucket failure. The Bobcat 763 is equipped with a radial-lift loader boom, 1-speed hydrostatic transmission, 80HS drive chains, and 10. Check for any field modification not completed. 5 standard tires. See photos. Dec 22, 2010 · I have a 322 that is leaking hydraulic fluid out of what appears to be the swing motor. Explore models, specs, pricing and more. Can I get some support on where to start & what to look for? There was a small leak I noticed before Jul 27, 2023 · It sounds like you're dealing with a hydraulic fluid leak in your Bobcat 743B. Check the electrical charging system. The Bobcat 773 is equipped with a vertical-lift loader boom, 1-speed hydrostatic transmission, 80HS drive chains, and 10. got machine up and running Sooner or later, an auxiliary hydraulic coupler will become faulty and need to be replaced. It was pouring out of this casing. Operate the machine and check all functions Never service or adjust loader with the engine running unless instructed to do so in the manual. Oct 14, 2014 · I read the other thread on the hydraulic fluid leaking into the bottom but I cleaned mine out and ran it with the cab up and could see no leak at all. It has a slow leak overnight coming out of the hole in the belly pan under the fuel tank. He said that it was misting out when he'd lift w/ the FEL but now it's spraying out pretty good. Mar 24, 2006 · The hydraulic tank is just above the gear pump. Let it sit for 12 hrs or so and then you can see it weep. (Parked?) After about a month the hydraulic tank is empty. However, before you tear into it, consider both options. Tighten any loose fittings and replace damaged hoses promptly. I don't see a leak tho This 743 Melroe Bobcat skid loader started leaking hydraulic oil in the motor compartment after years of service. 7 gpm (63 lpm) or 27 gpm (102 lpm Sep 20, 2020 · Hello again, trying to get my B. Developed a major leak after doing maintenance. I have been chasing a lot of gremlins with it, like bad computer, leaking hoses, leaking wheel seals, etc. . It could be a blown o-ring on an ORB fitting but more than likely it is a blown hyd hose. Verify correct installation of motor carrier seals to prevent misplacement that allows oil migration. If you do not have to add fluid to reservoir then remove the check plug at the front of the chaincase frame, put your finger in the hole and see if you can touch the fluid. No matter where you are or what you're building, Bobcat has the right tool to help you work with strength and confidence. I`ve done everything the maintenance book tells me to do , disconnect the hoses and remove the two case drain filters . Sep 28, 2010 · My 863F is starting to leak quite a bit of fluid out the front opening in the belly pan, what's the most common hydraulic leak (s) that I should look for? thanks for any help! Sep 28, 2010 · My 863F is starting to leak quite a bit of fluid out the front opening in the belly pan, what's the most common hydraulic leak (s) that I should look for? thanks for any help! Dec 30, 2013 · I'm pretty sure I'm losing hydraulic fluid but need some ideas to locate the leak and fix it. Discover the entire Bobcat® skid-steer loader lineup and explore pricing, specs, features, benefits, compare models and more to find the perfect machine for your tasks. kiyanvfrvmplelllaqhsbgpwunwdygufujvryambymrjjftcpomwdcajfedadvqxhtogvntiy