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  1. 8madjack

    M931a1 crane and dump

    Not yet, I've been working on other projects around the house/shop. I promise to share when I start work on it.
  2. 8madjack

    M931a1 crane and dump

    Just curious what it went for, or what the offer was
  3. 8madjack

    M931a1 crane and dump

    It looks like that when I was looking at the crane. Thats cool! I dont know about mounting it inline, but you can probably mount the base normally and nest it inline with the frame. You do plant to keep the outriggers right?
  4. 8madjack

    M931a1 crane and dump

    Sweet that's awesome! Got done just in time it is dumping out here right now! You'll probably have it working before I have this thing running on my truck, but if for some reason you don't, I'll be able to do more detailed pics once I can unfold the crane.
  5. 8madjack

    M931a1 crane and dump

    Makes sense. Did those pictures help you understand whatever it is you were trying to figure out with the brake?
  6. 8madjack

    M931a1 crane and dump

    From what I've read gear pumps are very reliable inexpensive and very forgiving of contaminants which would make sense for the military to want that
  7. 8madjack

    M931a1 crane and dump

    It's complete and I saw a video of it operating just prior to its removal from the truck. The gear positive flow system is the most common from everything I have studied and I know my tractor has a positive flow gear pump for the backhoe and loader and it works great
  8. 8madjack

    M931a1 crane and dump

    I couldn't read any valve diagrams the military painted everything
  9. 8madjack

    M931a1 crane and dump

    I hope these pictures are good enough of the routing of the hydraulics to the hoist.
  10. 8madjack

    M931a1 crane and dump

    I'll go unwrap the crane right now it looks like there's a break in the weather
  11. 8madjack

    M931a1 crane and dump

    https://www.nsncenter.com/Library/FMTV I guess I forgot to attach the link
  12. 8madjack

    M931a1 crane and dump

    Here was the best link I found on explaining the details on Hydraulics and according to this you can have a load-sensing gear pump. http://www.hydraulicspneumatics.com/200/TechZone/HydraulicPumpsM/Article/False/6401/TechZone-HydraulicPumpsM Here is the link with the downloadable pdf files. I...
  13. 8madjack

    M931a1 crane and dump

    Also, my apologies to anybody that looked at the TM upload section where I attempted to upload the manuals. I tried several times and for some reason it just wouldn't go through perhaps my connection was too slow I don't have internet at home and I just use my cell phone to tether my computer...
  14. 8madjack

    M931a1 crane and dump

    Ok, I did a whole bunch of studying up on hydraulic systems and I was reading the tech manuals this morning. There is nothing on rebuilding the single-stage pump but there is a section on rebuilding the 3-stage pump off the m1089 Wrecker. It is basically three stacked gear pumps, and I found...
  15. 8madjack

    M931a1 crane and dump

    It's not done yet, but here ya go
  16. 8madjack

    M931a1 crane and dump

    Ots about 4,000 lbs. You need one like my home built bumper crane on my F250. I'll share a pic later.
  17. 8madjack

    M931a1 crane and dump

    Then dont :-D Looks similar to one I got. I was originally looking at knuckle booms but the folding one will be really compact.
  18. 8madjack

    M931a1 crane and dump

    I'm going to look through the maintenance manuals for the FMTV, the info we seek will be in there. The operator manual only refers to the single stage pump and tank capacity. I have all the manuals for my m939 and they have the detail so I'm sure the equivalent for the fmtv will do the same...
  19. 8madjack

    M931a1 crane and dump

    Well, I read through the FMTV -10 and the hydraulic tank capacity is 27 gal. The pump is listed as a single stage pump on the cargo truck, which is what this crane is from. I did a lot of inline searching and from what I gather the single stage pump is constant and not variable. Chime in if that...
  20. 8madjack

    M931a1 crane and dump

    I can take whatever pics you need when I pick it up.
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