• Thank you for visiting HeavyEquipmentForums.com! Our objective is to provide industry professionals a place to gather to exchange questions, answers and ideas. We welcome you to register using the "Register" icon at the top of the page. We'd appreciate any help you can offer in spreading the word of our new site. The more members that join, the bigger resource for all to enjoy. Thank you!

Search results

  1. M

    Hitachi ex120-5 final drive leak

    I have a hitachi ex120-5 that is leaking gear oil from the back of the final drive. I see on the parts list there is a seal between the hydraulic motor and the final drive. Can I just remove the motor from the back of the final drive to change the seal or does the whole drive need to be removed...
  2. M

    94 topkick dual fuel tanks

    I have a 94 topkick with the 7.0 gas engine with dual fuel tanks. Could someone explain how they work to transfer fuel to each other or does one tank run dry then the other? Thanks
  3. M

    Hitachi ex120-5 won’t turn off with key

    I have a ex120-5 that I bought with the throttle control missing. I put a new motor and cable on both Deere. I’ve set the idle rpm’s with the computer and done the learning procedure. I tried a different key switch. Still it won’t turn off with the key. Any ideas??
  4. M

    Hitachi excavator series differences

    What are the differences between the -2,-3 and -5 machines? Are the -5’s much better?
  5. M

    Case 350 fuel return

    I have a case 350 with the 188 Diesel engine I need to change the motor. Original motor has a tee on top of fuel pump with a return line going back to the tank. The new motor just has an elbow coming back from the injector return lines. Should I just swap that tee into the new motors fuel pump?
  6. M

    1994 topkick c7000 air brake buzzer

    I have a 1994 topkick the low air light comes on but no buzzer. Any idea where it is or what it looks like?
  7. M

    Hitachi ex120-2 drzx connection problem

    I’m trying to diagnose a problem with my travel speed not changing and being jerky when the rpm’s are up. I have the palm version of drzx and I keep getting connection problem. Any advice? Thanks
  8. M

    Hitachi ex120-2 travel speed issue

    When I change the track speed the green rabbit/turtle light changes but the track speed doesn’t seem to change. Any ideas what to look at? Thanks
  9. M

    Hitachi ex120-2 center joint

    I have a ex120-2 with a leaking center joint. Is it worth trying to rebuild it or buy a aftermarket one for $800. Anyone have any experience with the aftermarket ones?
Top