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excavator

  1. V

    swapping a c7 engine

    I'm writing to the forum because I'm having a persistent issue with a C7 engine in my Caterpillar 329DL excavator. The camshaft bearings have spun twice in the last two years, and I'm tired of constantly repairing the engine. My options for a replacement engine are limited in my country, so I'm...
  2. W

    cat series D or F. Who better

    I want to know cat series D or F. Who better
  3. J

    Hydraulic thumb wiring

    Hey, yall. Im new here, but have used this forum before to help figure some things out. However, my current problem is one i havent really seen to much info on. I am working on a 2006 komatsu pc 120-6. SN# 47813. The hydraulic thumb is not working currently. Apparently, its been worked on a...
  4. P

    Cat 330BL - Won’t rev up to take load

    Hi all, I’ve just bought a Cat 330BL 6DR00608 excavator. It’s a generally clean machine, engine sounds good, 8000 hours on the clock. Hydraulics seem okay, the machine is able to lift itself off the ground at idle speed, and tracks independently without bogging down. The wiring seems to have...
  5. TerrainTamer

    Kubota KX151 Electrical Wiring Schematic

    After an exhaustive search I've been successful in acquiring a Kubota KX151 WSM (Workshop Manual). I was somewhat surprised to find no electrical wiring schematic, leading me to believe that it was supplied as a separate document? Can anyone assist me in locating a copy? Thanks for your help...
  6. W

    cat 330d vs 336d which better

    I want to know their generational symptoms
  7. M

    Komatsu pc 120-6 Error E05 Stepper Motor

    Hello, I recently bought this excavator it’s a Komatsu PC 120-6 #50735, and I got the error message E05, looked around the stepper motor to see what the issue was a found a wire broken, not enough there for me to splice, any idea how to fix this? Thank you.
  8. D

    1997 John Deere 200 LC throttle control / stepper motor

    First time excavator owner, 1997 John Deere 200 LC with 8000 hours. Previous owner installed a manual throttle control in the machine. I purchased a replacement stepper motor in hopes of putting it back to original. Stepper motor is installed and wires are connected, but it does not respond to...
  9. K

    Komatsu pc228 code 306

    How’s it going gents, I have a komatsu pc228, the motor will not start. Acting like it’s under full load from the pump, I have code E306, the feedback potential circuit is abnormal, we tested the solenoids and we’re getting the in between 40-60 ohms of resistance the book requires and they were...
  10. T

    NPK C4C Hydraulic Motor Seal Issues

    Hi, I have a NPK C4C Compactor that seems to be building too much pressure and keeps wanting to blow out the shaft seal on the hydraulic motor. After I bought it (auction find) I found out the motor was leaking hydraulic oil into the exciter housing. I took it apart to replace the seal and...
  11. C

    Volvo ECR145CL Hydraulic issue

    I’m at a loss here. My ECR145 acts like it has no hydraulic pressure. It has very slow movements and won’t track, swing, boom up/down, or curl in/out. I had the pump rebuilt, the hydraulic oil is brand new and full. All the filters have been changed. I have no engine codes or anything. Has...
  12. J

    new john deere excavator

  13. S

    2003 308 boom drifts one way but not the other

    03 cat 308 c cr. 6000 hours. If you raise boom all the way up and turn loose of controls it will fall to the ground in probably 20 seconds, but you can pick the machine up with the boom and it will stay there all day long. Re did packing/ seals in cylinder, still same problem. Assumed it was...
  14. O

    CAT GC320 E1379-2 Mechanic fault

    Hello everyone, today I want to tell you about a problem I have with my CAT GC320 2018 model excavator. Today, while working normally like every day, I suddenly encountered a fault warning on the operator screen. First, I encountered the "E1379-2" fault code and then my excavator gave the...
  15. M

    Liebherr R912 Litronic slow down

    Hello to everyone I have problem with Liebherr R912 Litronic, it slow down, no electric curent on pump, once it burned fuse for pump angle regulation, replaced fuse but not working, check all wires and all good, RPM sensor also good, it works sometimes good, and than stop, than again work, and...
  16. M

    Liebherr R912 HDS litronic slow hydraulic

    Hello to everyone, I have problem with Liebherr R912, manufacturing year 1997, it work only in emergency mode(manual mode), when in auto mode it is too much slow. Something wrong with current to hydraulic pump regulation. Anyone can help ?
  17. W

    Looking for Aftermarket Support Roller for UMG E200C Excavator

    Hello everyone, I’m currently looking for an aftermarket replacement support roller for the tracks on UMG E200C excavator (produced in Russia). It's said the track/undercarriage parts are provided by ITR or ITM, so I guess it might have the compatiable ones to fit. However, I’m having trouble...
  18. C

    Pc138-10 no start no crank

    Have had this little 138 at my shop for about a month. Walked off the lowboy and walked to where it’s at now. Never had an issue with starting. Fast forward until now and it’s not doing anything. I replaced batteries thinking sitting here could have killed them nope. So I took the ignition...
  19. S

    Help me find the year of my Takeuchi

    I have Takeuchi TB035 and i have no idea what year it is, i hope someone will be able to help me! Serial Number - 1355375 Engine Yanmar Model - 3TN84TL-RTBY Engine Number - 10413
  20. V

    Takeuchi 370

    Anybody have experience with these machines? Was about to pull the trigger on a KX057-5 but am wondering if this could be a worthwhile step up? Will use for general forestry work, feeding an 18" chipper and running a brush cutter. Thoughts?
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