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  1. C

    Hydraulic oil

    I have a Kobelco SK210LC excavator I’m asking for some input on which brand and type of hydraulic oil I should use in my excavator
  2. C

    ECM

    Looking for a ECM controller part# 106-0167 For a Cat 312 Excavator serial# 6GK02186
  3. C

    S220 bobcat

    I have both tilt cylinders that I’m rebuilding. The first cylinder no problem. I can not remove the end cap off cylinder I have tried spanner wrench, pipe wrench, air chisel, I put the cylinder in the freezer thinking it would help the aluminum and I tried pipe wrench with six foot cheater...
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    Cat D7E Dozer

    Does anybody have a service tech manual for a cat D7E dozer serial# 48A8929
  5. C

    Cat D7E Dozer

    I’ll check out the screen let u know if that solves the problem.
  6. C

    Cat D7E Dozer

    Cat D7E dozer serial# 48A8929. All fluids are good. When you throttle it up the motor sounds like it’s under a load, the machine starts to creep forward with it in neutral little smoke coming from under feet, the smell is not motor oil burning I don’t know how to describe the smell. The park...
  7. C

    Cat excavator 312

    New post: I have a Cat D7E dozer serial# 48A8929 it acts like a brake is on or something park brake is off both pedals fill fine I pulled the pans under your feet there is little smoke coming from there does not smell like motor oil I don’t know. When u throttle engine up it acts like engine...
  8. C

    Cat excavator 312

    This is going to be a live and learn experience. I hope I didn’t hurt the hydraulic pump I’m going to caterpillar and get the right oil. I want to thank everyone for there input. I will post the the results.
  9. C

    Cat excavator 312

  10. C

    Cat excavator 312

    Here is a picture of the bucket hydraulic oil was in all was new oil.
  11. C

    Cat excavator 312

    Ok. Can you tell me is there a screen in the pump.
  12. C

    Cat excavator 312

    I have a cat excavator 312 it’s considered gray iron. I have changed the hydraulic oil and filter now after machine warms up the hydraulic pump whines. I cleaned the screen that was in the tank can someone tell me if and where is there a screen in the pump itself. I have ran the machine worked...
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    Wiring schematic

    Nige, I want to thank you for your help i think we need more people like you in this world. My last post i tried explaining what was going on with machine, you have any glues where to start or maybe suggestions on what the problem could be.
  14. C

    Wiring schematic

    its a 312 excavator serial number 7DK02786 considered gray Iron. I was told that prefix part numbers SENR6127 and/or SENR6237 would be the closes to this machine. The problem I'm having is the machine starts, I can move machine forward and back the boom works. The instrument panel/controller...
  15. C

    Wiring schematic

    I'm new at doing this so if its wrong i don't want to offend anyone. I'm needing electric schematic prefix part number SENR6237 and/or SENR6127. Any help would be appreciated. Thank You
  16. C

    Cat 312E

    I'm looking for a Electric schematic prefix part number SENR6237 or/and SENR6127 Any help would be appreciated. Thank You
  17. C

    service tech manual

    This forum is new to me. Do you know any of the experts or how do i get in contact with one.
  18. C

    service tech manual

    I have been told that serial# 6GK is what is used when getting parts for the 312 excavator i do not know.My main problem is I can start the machine the lights on monitor will not come on but i have track movement and boom movement. Until lights come on monitor i can not ideal it up and after...
  19. C

    service tech manual

    7DK02186
  20. C

    service tech manual

    I have a 312 cat Excavator serial #7DK02186. I'm looking for a service manual.
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