• 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. R

    Hello from Wyo

    Yep I was at the Casper branch. They hired like crazy for the rebuild center. Thanks for the welcome!
  2. R

    Hello from Wyo

    Dang! By the time I was working on them the mechanical engines were on their way out. Only set-up a handful of engines with Woodward Gov's. Most of the ones we did were all electronic. Lots of 789 and 793 truck engines, D11 dozers were pretty common. Did a couple 797's with the 2-12 set-up. I...
  3. R

    Car Crusher with JD 6068

    Thanks for the comments everyone. The JD guy was there Friday. I showed up to explain crusher operation to him and assist in any way possible. Since he was there with his service truck, I got kinda western with the harness at the ecu. I figured if we needed to repair pins he would have the...
  4. R

    Car Crusher with JD 6068

    I am thinking it's the ECM as well. Since I don't have John Deere software I am having the local dealer (130mi away) come out. I have CAT, Cummins, Detroit, International, etc. but not John Deere. There stuff is expensive. It sucks not having any documentation. That is the biggest struggle for...
  5. R

    Car Crusher with JD 6068

    That is one busy solenoid. That ECM must have one hell of a driver to control 7,200 cycles per minute at an engine rpm of 2400. I can't believe the ECM doesn't have overheating issues. Then again maybe it does.
  6. R

    Car Crusher with JD 6068

    Thanks for your comment Delmer. That's kinda how I see the solenoid operation too. On or off. I do find it difficult to believe that the solenoid can pull the retract and extend the plunger that quickly, it may though. I see the solenoid/plunger as the device that controls port open or port...
  7. R

    Hello from Wyo

    Thanks for the welcome pardner!
  8. R

    Car Crusher with JD 6068

    Thanks for that link! The fuel temp sensor could possibly be causing the abnormal op. This engine seems to have only CLT and a IAT sensor. Every sensor on this engine is a 2 wire except for a throttle emulator in the engine control panel. It appears to be the only 5v reference sensor in the...
  9. R

    Car Crusher with JD 6068

    I should have mentioned that all engine vitals are good. I first thought it was temp issue due to proper op for the first 20min.
  10. R

    Car Crusher with JD 6068

    I am having an issue with a Granutech Big Mac car crusher with a JD 6068 engine. The crusher will operate normal for around 20min then when the "crush flat" or "crush jog" button is pressed the engine rpm shoots up to target rpm and then falls down to 1600-1700rpm. Then once the crush cycle is...
  11. R

    Hello from Wyo

    Howdy folks! Joined to hopefully find a community of folks who help one another in their various tasks they may find themselves in. I started a field service business a year ago after many years of dealer and coal mine work. I will try help anywhere I can. Spent 4yrs at a Cat dealer rebuilding...
Top