• 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. H

    I need help with a cat wiring diagram

    The area that confused me is at the pencil point in the picture. The lower group is identical to the upper group connected???
  2. H

    I need help with a cat wiring diagram

    Ok thanks, I can get it from there. Also I studied the diagram further and got past my roadblock.
  3. H

    I need help with a cat wiring diagram

    Critters ate the wiring harness at the computer. I am tracing the circuits from the computer plug but I have reached a point on the diagram were they appear to turn back on themselves. What am I missing? Also if I open the loom would the wires be numbered?
  4. H

    Found a D7G dozer with 30 hours

    Reminds me of a 60kw military genset we have with toggle switch under a red cover marked-BATTLE SHORT-, It disables all built in shutdown systems, Run till it blows!
  5. H

    Northwest Model 25 Serial 16330 Crawler Crane

    If you are simply wanting to get rid of it contact a scrap contractor, thay will cut it up and load it out.
  6. H

    D6D oil transfer from Trans. To Engine?

    If the torque is flooding bad enough the torque oil will push past even a healthy rear main seal. Torque temp. running high? The tractor will still push strong with a leaking converter, but will overheat converter.
  7. H

    NT855C Fuel in the oil

    Thanks for the info guys, It will have to stay this way for now! I will mark the housing as a reminder. Also a lesson learned is checking tdc as part of diagnosing a sick cummins.
  8. H

    poor man's spool valve repair

    this was a reply to post #9
  9. H

    poor man's spool valve repair

    Man that brought back some memories, trying to finish a mine reclaim job with a d-6 c that the torque was dumping so bad it would overload the engine crankcase with trans oil. when the engine couldent stand any more we would unhook the engine oil pressure gage line, stick a hose from it back to...
  10. H

    NT855C Fuel in the oil

    Thanks for the reply animalv. I did not check adjustment but should have. You are correct the injector adjustment was causing this. This engine ran rough and smoked excessively along with the fuel in oil problem. after resetting the valves and injectors it smoothed out and no more smoke and no...
  11. H

    3306c JAKE BRAKE

    Thanks, Its a 9TL engine and there is a listing for it. Appreciate the help.
  12. H

    3306c JAKE BRAKE

    Its for a customers 1998 motor home with a 3306c, He is looking for a true jake setup but none of us have ever seen one on a 3306c.
  13. H

    3306c JAKE BRAKE

    Greetings, Has anyone seen or driven a 3306c with a true jake brake on it? If so how was its performance? Thanks...
  14. H

    NT855C Fuel in the oil

    Greetings, this engine has been getting about one gallon of fuel in the crankcase every 20 operating hours. I replaced the injector O rings today but the ones I took off looked like new condition, makes me doubt that was the problem. Does anyone have a recommendation on anything else I may...
  15. H

    D6R Wiring problem

    After installing the new relay then -unrewiring- to get everything back to spec per schematic I am happy to report everything is now working fine. Thanks...
  16. H

    D-379 Cylinder Head Removal

    500-T Lima strong!
  17. H

    D-379 Cylinder Head Removal

    May have to remove the cylinder heads from a CAT D-379 Ser# 68B3000 I remember the most difficult part was unbolting the jacketed exhaust manifolds up in the "V" of the engine. My thought was to pull both heads on the same bank together leaving the intake and exhaust manifolds connected to...
  18. H

    D6R Wiring problem

    The diagram came thru perfect! The first thing I noticed was the main relay was not this machine. Turns out the customers shop mechanic removed it and just connected the leads together after it burnt up. Anyway a new relay is on the way. Got called off that project for now. I'll update my...
  19. H

    D6R Wiring problem

    PM sent
  20. H

    D6R Wiring problem

    Greetings, D6R ser.9PN01579 In the fuse box inside of the battery box the 4ga red wire #109 burnt off at a link [possibly a fuse link ?] where it connects to a relay, the other post of the relay is connected to another 4ga. white wire #304. this wire[#304] appears to be shorted to ground...
Top