PTO generator

Discussion in 'Off Grid Living' started by larryinalabama, Nov 7, 2011.


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  1. larryinalabama

    larryinalabama Monkey++

    Im reasuchring generators, I thought a gas powered generator welder would but then Im think a 10kw pto generator would run the whole house.

    Please advise me on the pros and cons of pto generators.
     
  2. Cephus

    Cephus Monkey+++ Founding Member

    I have one and am looking for a engine to power it because it just eats to much fuel when we have to run it .I'm looking for and old Ford 8N so I can convert it to NG and all it would be for is the generator !!
    They work well but the fuel issue is what has me looking !!
    It will run the whole house without a problem ,with power left over .
     
  3. larryinalabama

    larryinalabama Monkey++


    It that tractor a gas burner?

    I have a old Long 360, it has a 40hp fiet 3 cyl deisel that seems to sip gas, but I dont know hard it would run turning a generator.
     
  4. STANGF150

    STANGF150 Knowledge Seeker

  5. larryinalabama

    larryinalabama Monkey++



    Good link thanks for the info.

    My tractor Im guestamating burns 1 quart an hour in most of the applications I use it for.
     
  6. BTPost

    BTPost Old Fart Snow Monkey Moderator

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  7. Witch Doctor 01

    Witch Doctor 01 Mojo Maker

    i have one i use a john deere to run... works great.... but you have to run mine around 3500 rpm to get solid power to the house that kinda limits the gas sippin....
     
  8. Cephus

    Cephus Monkey+++ Founding Member


    Yeah I know it burns gas ,but ya see I have free NG on the property and it would cost !! [peep]
     
  9. larryinalabama

    larryinalabama Monkey++

    I dont think my tractor will even turn 3500 rpm.
     
  10. ghrit

    ghrit Ambulatory anachronism Administrator Founding Member

    That would be a 3600 rpm generator. You might be better off running it into some sort of frequency converter and slowing the engine down. You are going to have problems running 60 hertz equipment on 58 hertz. Motors will draw more amps and possibly overheat. Other things may be similarly affected. Straight resistance loads (lights, electric range for examples) won't suffer much.

    Alternatively, you might be able to make a belt drive arrangement to step up the speed of the gennie and dial the engine speed down. I'm guessing that engine will have a torque peak around 2200 rpm, so aim for that. Check the engine curves to be sure where the torque peak happens. I assume there's a governor on the engine that will hold speed regardless of load.
     
  11. BTPost

    BTPost Old Fart Snow Monkey Moderator

    Many PTO generators have a Gearbox on them that takes 540 RPM Input, as a Standard Tractor PTO Shaft Output, and then spins the rotor of the Genset at, usually, 1800, or 3600 RPMs, whichever it was designed to turn at. This keeps the Tractor engine at a lower Rpm, and allows for less fuel Consumption/Kw Generated. ..... YMMV.....
     
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  12. larryinalabama

    larryinalabama Monkey++


    Thats what I thought , but Ive been out of my survival thae past couple of years so a lot of my reasearch I have forgotton.

    I also think theres pto gear boxes avaible.
     
  13. Tikka

    Tikka Monkey+++

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  14. larryinalabama

    larryinalabama Monkey++

  15. Tikka

    Tikka Monkey+++

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  16. larryinalabama

    larryinalabama Monkey++

  17. BTPost

    BTPost Old Fart Snow Monkey Moderator

    Most PTO Gensets come with a Driveshaft that has U-Joints on both ends to make the PTO connection between the Tractor PTO shaft and the Genset Input Shaft. It is my understanding that MOST Tractor PTO shafts have a common Splined Shaft Dimension, so that just about ANYONEs Implement, can be adapted to any Tractor, with the common Ag Three Point Hitch setup. ..... YMMV....
     
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  18. ghrit

    ghrit Ambulatory anachronism Administrator Founding Member

    U-joints run best and last longest if there is a deliberate misalignment of around 3 degrees, more or less. Need two, obviously to take angular movement. If they are flexing, they are good to go.
     
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