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komatsu

  1. R

    Komatsu PC138USLC-3 Galeo

    I purchased at auction a PC138USLC-2 Galeo and have a few questions! To the right side of the cab is a fill port that has a one inch long dip stick, what is this port? Clutch lubricant port? Rotating section line? Also what is the best easy to acquire lubricants fir hydraulics, transmission etc...
  2. That Apple Guy

    Komatsu D39E-1 Powershift: Slow/weak 3rd

    Hello! My Dad and I recently purchased a 1999 Komatsu D39E-1 to use on the farm. 2 y/o UC and pretty good shape for it’s age. The only discernible issue is the Powershift 3rd gear. It pushes strong in 1 and 2 with no issue, but traveling in 3rd is slow/weak. My question is what might cause...
  3. H

    Komatsu FG25-12 Stalls, Will not restart.

    Recently, one of our lifts has been experiencing many issues. It has a damaged head gasket, stalls when turning, stalls even with the throttle being pressed. When it experiences these stalls, we are unable to get the lift to restart without pressing the gas pedal repeatedly when trying to start...
  4. P

    Komatsu pc45 starts, won't operate, and wire smoking

    So i guess today our excavator took a big S***...gotta go tear up some concrete for a pour tomorrow. Heres the issue, excavator starts up and will stay running but will not operate at all...its so frustrating. Did a job last week and blew a hose from back to front so we replaced it, then...
  5. M

    Komatsu

    Any good leads on komatsu manual downloads? Getting ready to rebuild one on a D155AX-6
  6. M

    D155AX-6

    Does anyone have torque specs and timing marks.. link to repair manual? Engine is a 140e-5
  7. J

    Cat 308 door won’t stay open

    I have a 97 cat 308, the sliding door won’t stay open. When I first got it, it was hard to close. Sprayed it with WD-40 Worked great for a while, now won’t stay open. I’ve tried adjusting the door up and down, took it off and lever looks fine not bent or anything. Any ideas? TIA!!
  8. Ammar_Jo

    Pc 80 mr-3 2010 heating problem!!!

    I removed the hood. And the problem of heating is over. Any expectations from everyone. I want the cover back, but the heat's going to go up.
  9. F

    Komatsu PC88 E41 error - A slew error

    Right.. this has been causing me so many issues. We had Komatsu engineers out to fix it. They were terrible in their approach and it cost a lot with no resolution. My main issue is that hydraulic and electrical details supplied from komatsu are very difficult to find (good luck) so...
  10. H

    Komatsu D85-18 Transmission problem

    Hi, I Have a D85p-18 komatsu dozer and when you start it up it will not go into gear initially. If you start it up then let it run for a couple of minutes, turn it off, then start it again it nearly always goes straight into gear. It is very noticeable when the ??transmission pump?? kicks...
  11. R

    Komatsu WA200 overheating

    Machine is a WA200PZ-6. Customer said it used to overheat maybe once every couple weeks when they worked it extra hard, now it will overheat after 20 minutes of just driving around. Replaced thermostat, no change. Checked fan speed against spec, fan speed is actually 50 rpm higher, verified...
  12. Ammar_Jo

    komatsu PC 80 mr-3 Overheating!!! HELP

    hello everyone, I'm Ammar from Jordan <middle east> I got a new machine delivered from germany so they have done something to the coolant system to fit there climate. I removed the thermostat and the temp still in middle and it Imposed to still cold and i noticed the fan pulley has big...
  13. D

    Back on the Forum

    A big shout out to member Setteduke, my younger brother for bringing me back to HEF. Starting about 10 years ago I was a frequent and very active member under the name EarthRockHill which pretty much showcased the work of Testa Corp. I photographed the Big Dig in Boston for almost 7 years and...
  14. D

    Komatsu PC200-8 Failure Code 989M00

    Anyone know how to fix the failure code 989M00 Engine Controller Lock Caution 2? This failure code showed when we switched the monitor between our 2 Komatsu excavators and switched it back again. Any help would be greatly appreciated. Thank you very much!
  15. B

    Komatsu FG15C14 Clutch and Fuel Pump

    Hey guys, this is my first post so thanks in advance Model: FG15C14 Serial: 126309A I'm looking at buying this forklift for $500 to use around my house and wanted to know if y'all thought it was worth it. I went today to start it and looks like the fuel pump is out along with the clutch. I...
  16. Kartal

    Old photographs, Komatsu PC1250 field assembly

    2007 Summer, Sahara desert. In a region out of GSM and satellite phone coverage. I was there for assembly and trainings for 2 weeks. Briefly, it's the extension of Great Man Made River Project, there are big lakes under the sand, they pump lake water thru giant pipes (each prestressed concrete...
  17. D

    Komatsu IMC

    Hi, Anybody have any experience or luck implementing Komatsu's IMC with specifically Sewer main installation? Trying to pull grade of .5% with strictly the machine and prep a bunch of trench, but the tolerance of 20-30mm accuracy of the Gps doesn't seem to cut it. Wondering if anybody's had any...
  18. G

    Heat related problem with Komatsu PC35MR-2

    I recently bought a used PC35 with about 3,000 hours on it. I knew that it had this issue when I bought it, and I got an appropriate discount, but now it is time to diagnose and repair. I am very handy, but have zero experience with this kind of hydraulic equipment. The machine works fine...
  19. KomatsuMiner

    The Benefits Of Using One Brand Instead Of Multi-Brands For The Mining Fleet

    Hello There I suppose to prepare a rich presentation on The Benefits Of Using One Brand Instead Of Multi-Brands For The Mining Fleet (e.g. to deal only with Caterpillar for your machinery, or Komatsu). After days of searching, I couldn`t find anything presentable. Could you please lead me...
  20. M

    Komatsu pc35 mr2

    Komatsu pc35 mr2, has weak drive motors after operating about ten minutes. This can be corrected by tilting either joy stick right or left, for some reason this throws full power to the drive motors while traming the machine, this makes be believe the drive motors are fine, hydraulic pump has...
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