• 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!

hitachi

  1. B

    John deere 450D lc low fuel rail pressure

    I have a john deere 450D with 13200 hours. Iv been fighting issues with 1239-1 code. I have changed filters / overflow valves checked all screens all lines presure at injection pump at idle is around 37 or so hard to tell because it jumps around so much ! And I don't know if that's normal...
  2. Bad billy

    Hitachi ex75ur return filter

    Is there a drain filter at the final drive o the ex75ur?
  3. S

    Hitachi EX50URG

    Hi all, I have recently purchased a EX50URG, having some issues with it at the moment. First is that by the looks of things almost all the original wiring has been cut and botched. I had the issue that it would turn over but not start, after some investigation I have found that the ignition...
  4. B

    Hitachi UH181 1986 help

    Hi, new user of the site. I have a little collection of older machines growing on my property. The heaviest of which being a 1986 Hitachi UH181. Since moving it up the very steep grade while dragging a 20,000lb rubber track carrier behind it 2 years ago; it has sat under a pole barn. Started it...
  5. J

    EX120-2 system base pressure too low

    Hey everyone, I am looking for some more brain power with this problem. Machine is a 120-2 with what I believe to be a 120-3 main control valve (mcv). This means it does not have the adjustable pressure regulator on top of the unloading valve like the -2. Its on the bottom instead. According...
  6. Bad billy

    2001 hitachi 75ur

    Thinking about buying a 2001 excavator (hitachi 75 ur) Is a good machine ?roughly 6000 hrs ,needs new track tensioner,one cylinder leaking,probly get this machine for around 22000 $ Canadian. What is the key things to check for on my inspection before buying ?help would be appreciated..thanks
  7. P

    hitachi ex135 -5 track and auto idle problem

    i have a hitacxhi ex 135 that is in rabbit speed for tracking but it only works now and again while tracking it will start going faster but if i stop tracking it gets stuck on turtle mode again i also had to turn off auto idle because its set the machine at idle revs even while working any...
  8. B

    Hitachi ZH210 hybrid - grease system reset

    Hello i wanted to ask a question about a Hitachi ZH210lc hybrid. I have automatic grease system , since yesterday i have a red light at the button where its supposed to auto grease itself , i doesnt grease without me pushing the grease button . The grease tank was empty so i yesterday i filled...
  9. Mess

    290 Hitachi Uneven Travel Speed

    Hi folks, I have recently purchased a 290 hitachi with about 7700 hours on it. There is an issue and my mechanic has been on it for 2 days, hoping someone here my have had the same problem. The right hand track is slower than the left. To put it in perspective, if you went forward around 100...
  10. J

    Hitachi Ex200-5 Wiring DIagram

    Hi All, Does anyone have the wiring diagram for a Hitachi Ex200-5? Had to replace the throttle control sensor and now having some issues on the output voltage from the MC and trying to trace back further. I believe I should be getting a reference voltage of 5V but only getting 3.14V at the...
  11. J

    Hitachi zaxxis 50u-5 code help

    The machine is a 2015. After pressure washing my machine, I'm getting 5 different trouble codes. I have three different manuals In pdf form, none of them have trouble codes. I HATE how hard it's been to track down wtf is going on with this machine now. Is there a scanner that I can buy? It...
  12. R

    Ex200-3 arm roll out not working

    Hi I have a problem with my Hitachi ex200-3. When operating the arm roll out function it moves slowly and stops half way. Other functions work ok. Anyone here that can help?
  13. R

    Cant put EX200Lc-3 in limp mode

    Hi I have a HITACHI EX200 LC-3. It stalls out when I try to lift load. I try to put it in limp mode by opening the plate at the bottom, turning the plate 180 and tried reinstalling but it only goes half way and stops. We ve removed the line from the pilot line and tried pushing it, but still it...
  14. T

    Hitachi Zaxis 29u-3

    Hello everyone :) Does anyone have this model of Hitachi Zaxis ? Model ZX29u-3 or 33u-3 ? I'm restoring an old burned excavator for my own purposes around my house, I've got schematics and everything I need, but... Although I've marked all hoses before I started restoring the excavator...
  15. L

    Hitachi dash 6 excavators fuel filter

    Hi all, looking for some advice. Every time I replace dash 6 fuel filters when servicing I always leave the ignition on for at least a minute before trying to restart the engine. Everyone the engine struggles to start. Is there something else I should be doing. Thanks in advance
  16. jhedmonton

    Hitachi EX150 cylinder leaking

    I am new to this, but just bought a Hitachi EX150-1991 excavator. It is leaking from 2 of the boom cylinders. What kind of effort and cost is involved to get them sealed?
  17. C

    Hitachi EX 100-3 recent runnability issues

    Our excavator started up the other day and had a very low, sluggish idle. This unit usually starts up great and responds very quickly to the controls. But regardless of what speed you wanted the idle to be, the excavator slowly gained engine RPM's as it warmed up. Then it seemed to be OK...
  18. A

    Hitachi ZX 160 LC Year 2003 bogs down, looses power and stalls

    Hi, I am having problem with my ZX 160 LC 2003, engine is running well and starts really well, when I start using Boom and bucket especially multiple functions at the time it looses power and bogs down, even starts to stall. Its even hard to lift filled bucket while using only 1 function. It...
  19. 2

    Looking at buying Hitachi ex 230lc-5

    Hello currently looking for a used 200 ish size excavator for our farm and the odd job nearby. I have come across a used 1999 hitachi Ex 230lc-5 with 8500 hours 2 buckets thumb and guarding. My understanding is that this machine has a hino H07CTD diesel in it. Are they good motors? All my...
  20. J

    EX120-2 and Dr Ex Software

    Hi, I have been tinkering with a ex-120-2 for a year now. It was leaky and uncared for. I been fixing the leaks, but shortly after buying last year the hydraulics went out (it was real jerky and would stall when I would steer hard right before it all went out). Anyways I replaced the dp...
Top