Bobcat 331 Discussions

Here are the most recent 331 topics from our community.
  1. E

    First Oops with Bobcat 331 - hydraulic leak

    I had my new-to-me Bobcat excavator (link) out this afternoon to move the pieces of a tree which came down this winter. I have the branches chipped and most of the pine needles moved away so...
  2. Modn

    Bobcat 331 Excavator Hydraulic Thumb problems

    My Father has a 2002 Bobcat 331 Excavator. It did not come with a factory thumb, but he insisted to buy an aftermarket one with 1-1/2" ram, although it does have the factory Auxiliary ports with...
  3. K

    1999 Bobcat 331

    Does anyone know where I can find a service manual for this unit. I just bought it and need to get one. I also need to figure out what parts are needed to attach a hydraulic thumb. It is plumbed...
  4. S

    Bobcat 331 Miniex. arm falling or dropping after full retraction, help please

    hello Guys, i hope this is the right place to get some help from you guys concerning my bobcat 331 miniexcavator. i just change the AUX hose, i replace it and reconnected without bleeding (i...
  5. catdozer

    Bobcat 331 drive motor loss

    I have a bobcat 331 excavator and on the left side the track just loses power sometimes, then play with the lever and works fine for a bit. Push some dirt and also has a lose of power again. I'm...
  6. N

    bobcat 331 excavator swing brake

    Hi everyone, Nelty here and I have a 331 excavator that the swing brake does not hold in place when you release the joy stick. It stops as should when swinging just does not hold it when digging...
  7. M

    Bobcat 331 Won't shut off

    Hi guys. I went to shut my 331 off the other day and when I shut the key off and pulled it out the engine kept running. Is that a faulty ignition switch? Finally the engine shut off after 30...
  8. Sawworcs

    2006 bobcat 331 electrical issue

    Hello all, Have a 2006 bobcat 331 that has 2500 hours and has been a solid machine. Lots of hydraulic power for its size and has never let me down until now. Ran the machine last week and...
  9. L

    Bobcat 331 overheating (but not really)

    I recently picked up a Bobcat 331 (2007 model) but am having some issues with the temperature. In a nutshell, it shuts down because it thinks it is overheating, but it isn't even very warm. The...
  10. T

    Bobcat 331

    The 331 mini ex loses operation of all hydraulic controls after 1-2 minutes of lowering the safety arm. The engine continues to run just no movement of any kind. I just had the control panel...
  11. A

    Bobcat 331 1997 model

    I just recently bought this 331 and new at the time there were some hyd. problems. I think the biggest thing is someone has cut and re-wired some and not some of the wiring to the electric...
  12. Edub

    Bobcat 331 - Blown Fuses Until No More Starting

    Someone was using my 2007 331G at my remote cabin and was replacing fuses until it stopped working. I thought he said the red one but most likely the ignition fuse because he decided to switch out...
  13. R

    Bobcat 331 swing will not lock

    Hello, just join today, having trouble with my 2007 331 Bobcat mini hoe, the swing will not stay in place when you let go of the joy stick. you can also move it around with your hand when in the...
  14. melli

    Bobcat 331 - Slew not holding, bucket not overpowering thumb, foam in reservoir

    My Bobby was acting odd today...while holding a log on a slight incline, the machine wanted to slew very slowly downhill while in idle. Normally, it holds position (normally it feels like it locks...
  15. O

    Bobcat 331 D auxiliary hydraulics question

    Hi guys. Would someone be able to tell me if the bobcat 331 D can provide at least 8 GPM in the auxiliary hydraulics while travelling ? I would like to put a brush cutter or edge cutter on it...
  16. Robert_in_NY

    Help with bobcat 331 drive motor

    Drive motor is leaking oil from the box in the frame of the picture. Don't want to tear it apart yet as still need to move the machine around but was hoping I can get some knowledge about what may...
  17. N

    Bobcat 331

    I have a 01 bobcat 331 d series I parked it 4-5 months ago was fine now starts fine but none of the controls work when I lower the left arm rest down the light comes on but nothing works any help...
  18. T

    Bobcat 331 Return to Tank

    hey guys, first post here! I've been wanting to get a flail mower attachment for our 331 but to my understanding it has 3 lines. supply, return, and case drain line but our machine doesn't have...
  19. R

    1999 bobcat 331 boom lift circuit

    I have a 1999 bobcat 331 with hydraulic trouble. The boom lift cylinder drifts so bad I can't use the machine. This is the only circuit affected, I'm thinking I can rule out pump trouble. I can...
  20. G

    Thumb closes slow and opens fast on Bobcat 331

    I have a 2001 Bobcat 331 excavator. Recently my thumb started closing very slowly (20 seconds), but it still opens quickly (4 seconds). Before this recently started it was opening and closing...
  21. A

    1997 Bobcat 331

    Does anyone know how to change the controls from an older back hoe style operation to a newer style track hoe control on this 331 Bobcat excavator??????????????????????
  22. C

    2001 Bobcat 331

    Hi, 2001 bobcat 331 excavator , hose that operates boom swing burst, it’s the hose that operated the cylinder under the floor plates. Replaced hose, bled cylinder , now the boom will not swing...
  23. L

    Bobcat 331 mini-ex aux hydraulics problem

    Cross posted from the Bobcat sub forum, I hope that's ok. I see a couple of similar threads, but not quite close enough. My problem is that I get the flashing warning light, and no flow on the...
  24. S

    Mulcher for Small Excavator Bobcat 331

    New community member here. I have a 331 looking for some advice or experience using a forestry mulcher on it. I spoke with Fecon for their 28" and they said it would not work. Torrent says...
  25. J

    Bobcat 331 leaking fluid from hose - how to replace?

    Hi all, Does anyone have any links to a repair manual, or procedure on how to change the main hoses that connect to the arm? Also, where would be the best place to purchase them from? Hoping...
  26. P

    Bobcat 331 code 03-10

    My 331 over the last year has had some starting then stalling problems if I start at three or four times it keeps running, it said a code for fuel shut off solenoid shorted to ground I clean some...
  27. K

    1999 Bobcat 331

    This is a duplicate post but realized that I should have placed this post here instead of where I originally placed it. Does anyone know where I can find a service manual for this unit. I just...
  28. K

    Bobcat 331 joysticks

    I have a ‘98 Bobcat 331 MiniX. I lost hydraulic control with the joysticks. Still have blade, driving & can pivot the boom with foot controllers. Blew ignition fuses just prior to losing...
  29. R

    Bobcat 331 boom lift function

    I have a 1999 bobcat 331 mini excavator. Boom lift function. Seems like something bypassing in that function. Drifts so bad the machine isn't operable. Will not pick up any weight and just falls...
  30. Robert_in_NY

    Bobcat 331 questions

    I have a 2002 Bobcat 331 on demo right now. It says its a d series on the id plate. It has a cab, thumb and new tracks. The motor runs well and the hydraulics are strong as are the drive motors...
  31. Robert_in_NY

    Bobcat 331 drive motor leaking

    I noticed I had a small leak on one of the drive motors but wasn't too concerned about fixing it just yet. However, while using the excavator I must have hit a stone as it bent the cover plate on...
  32. C

    Bobcat 331 Temperature sender

    I have a 331 s/n 232511798 with a Kubota V2203-E engine. The temperature gauge rapidly rises from cold to hot and then the motor shuts down. I know this is not an actual overheating problem...
  33. tylertown

    is a 1999 bobcat 331 for $10000 bad?

    I was thinking about buying a bobcat 331 and was wondering if anyone could give me any input on the machine before I were to buy it. it has 2200hrs on it looks pretty well maintained little...
  34. S

    Bobcat 331 main arm falling down after fully retracted.

    Hey guys help me out please. I have a bobcat 331. I replaced the aux house because it was leaking. After i did that, the main arm is falling down after fully retrated. It is like is falls down...
  35. A

    1997 bobcat 331

    I just recently bought this 331 and new at the time there were some hyd. problems. I think the biggest thing is someone has cut and re-wired some and not some of the wiring to the electric...
  36. R

    bobcat 331 service manual (Chile, Southamerica)

    hello, im looking for a service manual, pdf and free. here in chile we dont have it i own a bobcat 331 regards in advance.
  37. R

    Bobcat 331 skew drifts to the right

    Hello, I have a Bobcat 331 and while traveling the skew or the boom wants to drift to the right, It will not hold center while traveling. It will not drift left.. if you swing it left and stop...
  38. A

    1997 Bobcat 331

    I just recently bought this 331 and new at the time there were some hyd. problems. I think the biggest thing is someone has cut and re-wired some and not some of the wiring to the electric...
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