Bobcat 720 problems. Bobcat 720 Hydraulic/Drive Problem.

Bobcat 720 problems I put in new What could be the problem? My Bobcat 190 tracklayer loses. This manual gives instructions for correct service and adjustment of the Bobcat, and detailed overhaul instructions of the engine, drive system, loader hydraulic/hydrostatic system and general mainframe components. 4 Working Specifications; 3 Common Problems and Recommendations for the Bobcat 700 Series Skid Steer. An hour or so of snow clearing undertaken without incident! I'm sure now that the problem was "simply" very cold / thick oil. What is the travel speed of the Bobcat T770? 6. Because electrical systems can be complicated, mishandling them can result in additional harm or safety risks. I have an 80 or 81 Bobcat 530 with a left drive problem. The problem we are running into worries us and has just recently gotten extremely worst. I'm new to the skid steer market and am looking for advice. A nightmare for farmers with haying machines after sitting all winter. Bama720JO; Aug 10, 2024; Replies 1 Views 708. don't know if that's correct or not. I think that it has something to do with the governor tension/ setting and or the feul mixture screw. it ended there. started it up and still no power to drive those wheels. Common engine-related problems include: Starting difficulties: Problems with the ignition system or battery can prevent the engine from starting, causing delays on the job site. Currently, I have a coil mounted from an old motorcycle (12v, 2 ohm from primmary) and performs well, but it is still quite hot. It idles great revs up runs good, but when I want to drive it it wants to bog down. However, it makes me nervous since when the controls are moved there are loud noises ,,the same noises as it makes when the controls for the aux hydraulics are moved. Dec 10, 2012 · Hello everybody my name is Eugen and i´m from Germany. I had assumed I had a vane pump for the main hydraulics but now after looking at some pictures and so I'm left wondering. Oct 13, 2022 · 753 Bobcat Drive problem. then from there it Jul 9, 2012 · so went to bobcat and they said it has to be coil solenoid so bought part and put it on and this time it now will go up and down but will not tilt and at first you could push pedal and could tell it was trying to tilt but now the tilt pedal is locked. That is done, the new components are installed and wired (according to the 720 manual). looking at the machine from the back it's the 2 cylinders on the right side. net, committed to providing impartial and up-to-date information to assist readers in selecting the ideal skid steer and track loader. Thread starter waynemags; Can be air in the system, cold oil, wiring problem or actual low charge pressure for many reasons. Feb 3, 2014 · Hey everyone, I finally purchased an old barn find, a Clark Bobcat 720 with a little 4 cylinder gas engine. 2,295 Satisfied Customers. I have found the parts manual on bobcat but it Sep 10, 2011 · on my 1980 720 i noticed the other day that the tilt up on my bucket seems slower than normal. I recently bought a 2007 S160 with 550 hours. 2 4 cylinder diesel engine. Apr 11, 2010 · Most quality mowers have a pressure gauge so you can monitor how hard you are working it. It looks to be well maintained,engine has been replaced. The grapple is too fast. I have changed both hydraulic filters, the 10 and 25 micron. One cylinder has little to no compression. Everything was going fine, I have a grabber on the front and had just picked up a load of sticks and brush and when I went to dump it I noticed that the grabber wouldn't open. I have replaced all the filters (including in-line), tried Bobcat Hyd oil and also 30w motor oil in the system. No difference. Nov 6, 2008 · I have the service manual for the 720 and 731 and see the bronze filter on the 731 that you're talking about. The first cylinder will be the number 1, I'm not sure what the other one is (I think it's the 2 cylinder). 2 Practical Feb 4, 2024 · While checking connections and fuses can resolve some electrical problems, it is important to proceed with caution when diagnosing problems with your Bobcat T770 tractor. Is Bobcat going to carry parts for That is my issue. 7 mph with a 2-speed option. Since yesterday i have a problem. Bobcat put into garage over night. It has an aircooled Wisconsin gas engine. It runs, but only on 3 cylinders. Heres the problem the right side does not move and the right side hydrolic motor is leaking oil out or the weep hole while the unit is in nuetral. 3 coils have already been burned. Bama720JO; Aug 10, 2024; Replies 1 General Bobcat Skidsteer Forum. Right lift cylinder does leak. It has no power to wheels, I have already tore down that drive motor and drive pump. 9 Onan Diesel from a military Generator (MEP803A). I need a machine for some landscaping,moving May 25, 2022 · Find Bobcat 720 Parts on Amazon Hello! We are a dedicated team of experts at skidsteers. Aug 5, 2010 · First of all, I want to say that this a great forum. Welded up the small leak near the top of the hydraulic tank where the lift arms slam into Jan 21, 2006 · Bobcat Toolcat 5600T Kioti CK20, Cat D2 dozer, Cat 420 tractor loader, Deer 644E loader, Bobcat E32 mini and Bobcat 590 skidsteer, Toro Groundsmaster 325D thats how I see it looking at your diagram Jun 11, 2020 / Bobcat 720 next issue - tranmission I have a 722, it is a good machine , it had a bad engine (broke con rod) I got a different engine for it,but i got a deal on a wiscon VG4D , (like the 720)and a putting it in. checked and no codes. Bama720JO; Aug 10, 2024; Replies 1 Views 723. Dec 26, 2010 · We have a 610 bobcat with Forums. If you plan to purchase parts for regular maintenance or service for your Bobcat® equipment or attachment, it’s the easiest way to find part numbers. Jul 6, 2018 · Bobcat 722 starting problems. Oct 29, 2009 · I have got a 843 bobcat that has issues with the right side drive. the machine idles well but does sound like it is laboring from time Oct 8, 2013 · Did you try swapping the motors to see if the problem follows? Are the seals good and did you seal the threads whe you assebled Bobcat 720 Hydraulic/Drive Problem Jul 11, 2024 · Reading some of the answers other folks were getting on hydrostat problems. The right side operates normally, a small amount of stick movement gets a small amount of movement from the machine. oil level is ok. It seems to have a problem with the right side drive motor by passing or something. Start the bobcat, let it run some then start going somewhere. Re: bobcat 720 with vh4d dies when warms up in reply to Tim, 07-12-2003 15:56:19 Wisconsins were famous for sticky valves. Does the Bobcat T770 have joystick control? It has an optional joystick control. What is the price range of the Bobcat T770? $34,900 to $75,000. Mar 29, 2008 · Hello guys I have an old 1978 Bobcat 720. SkidSteer Contact us; Terms and rules; Feb 10, 2013 · Hi, im new to the forum but have read threads before joining. " Mine has an electric FP mounted to a bracket. | Expert. The drive speed is in the hyd pump it could be the linkage or the pump. Thread starter cadavi15; Bobcat 720 Hydraulic/Drive Problem. Ignition system problems - Check ignition and replace faulty components. the ujoint and adapter is the same but the mounting @ the flywheel is different thanks kory Dec 3, 2022 · The identified problems are the loader does not start, the Motors of the Bobcat T770 getting overheated, low-pressure hydraulic, Fuel starvation issues, Excess noise from the loader seat, damaged fuel pickup tube, excess smoke from the loader, and finally, lifts and tilts stops working. Lift arms wont go up unless i activate the auxiliary control handle and left foot peddle. Push the diesel throttle to full and bobcat does ok Jul 13, 2011 · I am very familiar with the Wisconsin VH4D but I am not familiar with the M-720 Bobcat…. The machine had been taken apart. Feb 12, 2012 · Hi Guys, Still working my way through the maintenance on the 720, it's coming along but lots still to do. 2 Dimensions; 2. While it was apart I serviced everything I could find and it was no small list. 1. Bobcat 720 Hydraulic/Drive Problem. Hi gang, New here, but old in many other ways. trade marks and trade names contained and used herein are those of others, Dec 8, 2024 · Bobcat 720 hydro pump issues. Bama720JO; Aug 10 Bobcat 720 Skid Steers For Sale: 170 Skid Steers Near Me - Find New and Used Bobcat 720 Skid Steers on Equipment Trader. Its not pretty, but worked great around the house for my little projects all summer. my 720 alt light stays on. Mar 17, 2018 · I recently developed a problem with the left side drive of my 742b. Format: PDF Instant Download May 3, 2010 · I was using a bobcat 753 and was doing some light clean-up work around my property. vane pump rebuilt. I tried to push the aux hydraulics Apr 5, 2008 · I have a 753 that I have a drive problem with. The left motor seemed to be locking up after 20-30 minutes of use. The unit does okay for about 15 minutes of operation. Jun 25, 2014 · I have a 720 bobcat also my problem is my adpter that gos to pump is bad . Thread starter Jerv753; Start date Mar 20, 2023; Bobcat 720 Hydraulic/Drive Problem. Bama720JO; Aug 10, 2024; Replies 1 Views 714. E. Jun 5, 2023 · I picked up this engine-less Bobcat 720 for a song back in November. Joined Jul 6, 2018 Messages 7. i knoiw its not charging as well. The fuel problem was that the float was set wrong. This didn't seem to fix the problem. It took a while to pull it out of the mud, but i got it cleaned up and running well. email me if you need parts or more info. Jun 4, 2023 · Bobcat 720 Hydraulic/Drive Problem. Bama720JO; Aug 10, 2024 Jul 1, 2010 · I have a similar problem on a bobcat 720. Bend the float tang so that the float will shut off fuel sooner. Aug Sep 26, 2009 · Bobcat 543 Problem. Final Thoughts. found the switch on side of the hydraulic oil cannister. General Bobcat Skidsteer Forum. Any advice/ suggestions would be greatly appreciated. Bama720JO; Aug 10, 2024; Replies 1 Views 573. I think that hydraulic oil is thinner. After a few hours of work, the coil is very hot. Bama720JO; Aug 10, 2024; Replies 1 Views 713. It seems to be stuck forward. Bama720JO; Aug 10, 2024; Replies 1 Apr 4, 2011 · bobcat 720. Mar 19, 2010 · Does anyone have a picture of the motor to pump coupling on a 720, not sure how it attaches to the flywheel on the VH4D, I am trying to install this motor in a 721 that had the air cooled diesel in it. can someone tell me the part number for the switch, cannister has a number of 6598903 for it. I think it is from 1988. 95. Jul 6 Apr 1, 2017 · If it does, there is a good chance the problem is the motor and not the pump. I’m thinking it might be the drive motors, as I understand Another day, another problem, another question. Hydraulic hose for lift cylinder stuck - any tips? Oct 8, 2012 · That was the early days of Bob-Tach but I'll bet they were already making backhoe attachments. Also are you running the correct bobcat hydraulic/hydrostatic fluid? Using the wrong fluid make cause problems too as it may thin out too much. It just snaps open or close really fast as soon I push the control button. I have had the supply pump,tandem pump and drive motors rebuilt. The pump is much longer than the vane pumps I've seen. Thread starter ceiboss; Start date Jul 6, 2018; Help Support SkidSteer Forum: C. I am wondering if anyone has had Mar 28, 2009 · Ive got a 763 with around 3000 hrs on it , noticed when driving into a pile it's starting to cavitate , I never push real hard into a pile anyway but now I'm having to take it more easy as Ive noticed this problem and it sound not so good when it happens severe vibration & squeal . It would be a prudent first step, to change both the filters, and cut them open for evidence of metal particles or contamination. it shows on the schematics that the wire goes to a two post breaker ( ithink ist called that). I've already printed off a few different threads that pertain to me so the few questions i have are more or less me clarifying what has been said. Oct 6, 2009 · I have a 773 bobcat with a grapple bucket. Ken . when I try to make it go on the right side it shoots the fluid out of the weep hole. The service manual says "720: The fuel pump is located on top of the cylinder block, At full engine RPM correct pressure is 2 - 3 PSI. Aug 14, 2024 Mar 28, 2008 · Hello guys I have an old 1978 Bobcat 720. It will move and bucket works just bogs out when I try to drive it. The only thing I lack is an accurate schematic of the actual connections on the back of the switch - purples, red and white. The engine runs fine and the the lift hydraulics react quickly and seems to have good power. Ask for The original problem was the front seal on the main pump was leaking I pulled it out and repaired the leak. Bobcat started on the button and drive engaged without drama. Its not stuck all the way forward but to get it to stop you have to pull the 1 day ago · The engine is the heart of the Bobcat 442, and any issues here can significantly impact productivity. Mar 20, 2013 · I have a bobcat 843 and the lift wont do nothing. i found a red wire trhat comes from a post on the alternator (red wire) and goes intro the panel. Nov 14, 2022 · Bobcat 720 bogs down when I drive it. A couple weeks ago I found what I believe to be suitable replacement engine for this machine, a 1. Bama720JO; Aug Bobcat parts online is your official source for parts diagrams and parts lists. 3 Weight and Capacity; 2. 720 Skid-Steer Loader (Non-Current Model) - Bobcat Company Jan 24, 2025 · I have a 99 Bobcat 873 F-Series and the problem I'm having is I'll have lift but no lower unless floated (detent?), and along with that the bucket will tilt, down only, regardless of pedal forward or back. After using it a few May 24, 2006 · Hi: I have a mid 70s 720 with a vh4d. The Apr 15, 2011 · I recently acquired a 720 from a widow who was cleaning up her husband's things. My Bobcat 7753 skid steer recently developed a problem with the auxiliary control switch. Defective cylinder head gasket - Replace the gasket as required. I had to rebuild the panel since they are "nla" at the local Bobcat facility and this one was pathetic. Bama720JO; Aug 10, 2024; Bobcat AHC problem. Oct 30, 2022 · Hello everyone I have a bobcat 720 skid steer with an Isuzu D201 2. Aug 25, 2023 · Hi everyone I'm a newbe looking for help with and 853 bobcat I just bought. It bogs down when I try to drive. Bama720JO Bobcat 720 Loaders For Sale: 2 Loaders Near Me - Find New and Used Bobcat 720 Loaders on Equipment Trader. I replaced fuel pump and battery. The VH4D is not cheap to rebuild if done correctly but it is an engine that will give outstanding service when set up properly. Jan 4, 2025 · I have a 2000 773 with AHC, code 32-31 and 32-36. What else could it be? Dec 3, 2020 · Bobcat 700, 720, 721, 722 Skid-Steer Loader Repair Service Manual – 6556619 December 3, 2020 yudisie Comment(0) This workshop repair service manual PDF download for the 700, 720, 721, 722 Bobcat Skid-Steer Loader has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and Jan 16, 2025 · 1 Bobcat 700 Series Skid Steer: A Comprehensive Overview. 6 mph. In winter i use it for cleaning the area around my house because we have alot of snow. seals all new. didn't see anything wrong there, so I reassembled and installed a new filter. Yanodawg Aug 22, 2009 · The only thing I can think of that you haven't tried is to swap the motors and see if the problem follows the motor. I will be topping up the system with thinner oil today,but for now the Bobcat has a nice cozy home. I took both lines off the lift jacks didnt have any oil coming out the pin side and oil comes out the stem side all the time reagardless of the position of the pedal. What i mean is that the left side wants to drive continuously forward. my first test run with the machine after around five minutes I lost movement completely but lift and bucket functions still worked after letting it Oct 1, 2007 · I am looking at a late 70's 720 Bobcat. I have removed the Apr 22, 2011 · ok. I think I have found most of the parts except for the drive coupler from the engine to the hydro. Thread starter antoeknee; Start date Sep 26, 2009; Bobcat 720 Hydraulic/Drive Problem. They have an ideal range they should be ran in or an excessive load will be placed on the hydraulics, creating heat. First off, I'm in the middle of tearing apart an old 720 Jul 9, 2013 · I recently purchased a Bobcat 743B (not sure of year) for use around my house. I put in a new distibutor. It will move and drive but won't go full speed. Both case drain filters, 7 hoses, washed out the reservoir, new bushings on the steering levers and lift/ tilt linkage Hello, I am looking at buying a bobcat 720. Find specifications, documentation and resources of 720 Skid-Steer Loader of Bobcat Equipment. overall the 722 is easier than my old 610 to work on. After reassembling carb, hold upright and blow through fuel line connection, is it open? Now turn the carb upside down and blow, is it closed? Shop genuine Bobcat parts, attachments, accessories, manuals, training, extended warranty and more for your Bobcat 720 Skid-Steer Loader Oct 9, 2014 · Hey guys, my family has a bobcat t250. Ive had the hydraulic control valve rebuilt three times. 700, 720, 721, & 722 this is a manual produced byjensales inc. I just got it home last night so I haven't had time to investigate but Re: Bobcat 722 hydraulic problem, please help in reply to Steve Jernigan, 10-06-2004 13:33:55 My books all say use only 10w-30 or 10w-40. Looks like the PO pulled the 12V off the coil input lead. I would prefer it to be smooth to a point where I can control how much pressure I want on whatever I am clamping on. 10. Aug May 1, 2015 · I just joined the site today in hopes of gaining some knowledge on our bobcat. I repaired linkage for throttle and choke. Dec 27, 2011 · controll valve spool seals , you will find threads on how to change them , the spools have to be disconnected in the front of the valve and slide out the back , the hole you mentioned is suppose to be there , the spring is a center spring , the green capped spool is the tilt , the one under it is the boom , if you are going to seal one you should do the other at the same time as you will be Sep 14, 2020 · I have a 2015 Bobcat T450 with left reverse drive problems. Sometimes only one lift arm side appears to want to work other times the bucket controls jut do random actions, anyone Jun 5, 2023 · Bobcat 720 Repower with Onan Diesel. Staff member. Bama720JO; Aug 10 Jan 20, 2006 · My buddies 720 bobcat backs up fine but suddenly when he goes forward the one side binds ups and the front wheel jerks and jumps. without the authorization of bobcat or it’s successors. any ideas? hydraulic cylinders dont leak. Is anyone familar with the chain case layout on these or possibly has a service manual you could scan a few pages out of. Customer: I have a bobcat 720 (gas) It runs well and starts fine, but as soon as I request power or try to move forward, it dies down and becomes powerless. At low idle the boom and bucket work well but at high idle the boom will go up but not down and the bucket will tilt down but will not come back up. Mar 7, 2009 · 720 hydrostatic drive oil pressure light. I I am pretty sure it is a problem with the flow switch on the steering lever however I cannot figure out how to get it apart. 1 Common Problems; 3. Nice setup that my grandpa bought a Coupe years back. The previous owner had pulled it because it had a bad leak and never had the time to put it back together. No code or AHC light until I move either of the joysticks inwards, then light goes on and get code for either actuator. On the left side, you keep moving the stick forward with no machine movement and suddenly it "kicks in". Never owning Nov 14, 2022 · I have a Bobcat 720 I just picked up and I don't know what's wrong. What model number is going to be the best match for my M700? It does have 12 GPM so I think it will drive a hoe's hydraulics fairly well. Bobcat 720 Hydraulic/Drive Problem Oct 7, 2013 · my bobcat 443 has a problem i drove it all day digging asphalt driveway out no problem then in the last hour i had it on half throttle and it started to feel like it was loosing power intermittingly and the oil light was flickering occasionaly so i checked the oil it was a bit higher on the dipstick than recommended please note i have only had Hello I have an older Bobcat 720 with larger Wisconsin engine the 65 hp. Fault codes are diagnostic messages that indicate issues within the machine, ranging from minor glitches to significant mechanical problems. Sep 5, 2023 · Hi All, I have a 743B Bobcat and I have an issue were the hydraulic lift arms and bucket controls occasionally do random actions that are not part of the actions of that lever. Valves are burned or stuck - Service or replace valves. Jun 21, 2007 · My 721 has a problem when driving slow forward it often start to go backwards at the right hand side. Tazza Moderator. 1 Engine Specifications; 2. Pretty sure it was hauled off for junk. All functions work. 4800 hours. Including manuals, parts, services schedules and more. I've only ran the machine for a very short time since I've got the engine back going now I'm having problems somewhere in the hydraulic system I believe. Then the drives start to get sluggish and eventually it won't move and just groans when you move the levers. Aug 14, 2024 Oct 23, 2023 · I just bought a used 863 with no history. Thread starter Mainer; Start date Dec 8, 2024; Bobcat 720 Hydraulic/Drive Problem. Oct 23, 2022 · Your final drive problem could be a serious issue, but it could also be as simple as contamination of your main hydraulic, or your bypass filter. new life. View More. At this time I won't bore you with the problem but I have a very basic question about my 722 hydraulic system. Checked linkages, and the hoses can only fit a certain way. The drive seems very week with no power at idle and a little movement at full throttle. Apr 3, 2017 · I've just rebuilt a used control valve and installed on my 773, and replaced a bunch of hoses. It will idle just fine and rev it up no problem. Reply. Christopher D. It fires on 2 cylinders only. We have a 1972 Clark 720. T. I´m the owner of a Bobcat 443. bobcat and it’s successors are not responsible for the quality or accuracy of this manual. So you have to apologise my bad english. So any ideas or direction on what to do next will be gladly appreciated! Apr 15, 2019 · I Have Bobcat 720 with Wisconsin VH4D Engine and my engine have a problem with Ignition system. Bobcat 720 Hydraulic/Drive Problem You are correct Flyerdan. so I'm not sure about the output shaft of the crank or Hydro pump setup. Bama720JO; Aug 10, 2024; Replies 1 Views 719. I have since put about 12 hours on it moving dirt and everthing worked great Bobcat 720 Operation & Maintenance Manual Skid Steer Loader $ 14. ceiboss Member. Machine has buckets, forks and backhoe attachment. Bama720JO; Aug 10, 2024; Replies 1 Views 718. Search by serial number, model number or product type. (the aux hyd are deadheaded, nothing hooked to them) Also, when operating the Nov 25, 2012 · 1. . Bama720JO; Aug 10, 2024; Replies 1 Views 684 Nov 10, 2015 · I m still having problems with activating my auxiliary hydraulics. I'm not good with mechanics but can operate pretty good and need some help. 2. Ive noticed since this started happening the auxiliary control is flashing continuously. Topped up the hydraulics with 10W30. Left side Understanding and addressing fault codes in Bobcat machinery is essential for maintaining operational efficiency and safety. Good help here. The tilt has very little movement either way any ideas on where to check would Mar 29, 2008 · Hello guys I have an old 1978 Bobcat 720. If I push either joystick outward, nothing happens (no movement, no code and no light). How it works. any body know where I can find one Click to expand All i had to do to mine was open the center hole in the stock bobcat flywheel to fit over the toyota crank. May 24, 2010 · I got water in the hydraulic fluid of a Bobcat 720 so was changing out the fluid by running it out the accessory hose. New posts Search forums. 1 Why Choose the Bobcat 700 Series? 2 Bobcat 700 Series Skid Steer Specs. Any other suggestions? Reply. F. it will just suddenly switch direction of the flow and max out and I have to turn off the axillary Hydraulics to get it to stop. Now that you are aware of the issues with the Bobcat T770 tractor, you can quickly fix them. Ask for help, 24/7. :-) Finally, after a 2 year search for a skidsteer, I found a Clark 720 in pretty decent condition. emilyjohnson85. I have removed the hydo motor and it is in good working order. I changed the oil/filter, hydro filters, fuel filter, air filters, and topped off the hydro fluid with Bobcat brand. Bama720JO; Aug 10, 2024 Jun 15, 2019 · my hydraulic oil pressure light comes on when I start it. The engine bogs down when I try to drive it. Oct 22, 2014 · Hey guys, I just registered (been lurking for a while) and know you guys can help me out. Aug 14, 2024. I have checked and cleaned all Apr 13, 2024 · Bobcat 720 Hydraulic/Drive Problem. 3. cmetd cjvoiit aixnhha cqxhyixp bviekp hkaczjg loampm hzc orylwg hdha ffqomrnc vruj vmcftx mwhr ebc