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What does PTO refer to?

Discussion in 'The Garage' started by colbystephens, May 2, 2006.

  1. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    i did some searching and read alot of references to winches and whatnot, but still don't really understand what it is. What does the acronym mean? is it a winch which runs off of your tranny or t-case? if so, how do you run the cable out from under the truck without hurting anything? school me.
     
  2. boz42

    boz42 1/2 ton status GMOTM Winner

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    power take off, it is a box that mounts to your t-case or tranny that has a gear drive in it that can drive a small d-shaft or hydro pump. most popular manufact. are chelsea & muncie.(that i work on anyhow).

    can be used to drive a "pto" winch or a hydraulic pump for a dump bed, etc.

    usually has a cable mounted or air mounted control to engage it. then the device it drives will have a control also.


    there are 2 mounting patterns for them, our t-cases & tranny's use the small pattern ones. eaton big truck trannies use the larger pattern usually.
     
  3. sapper

    sapper 1/2 ton status GMOTM Winner

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    IIRC its power take off, which means it uses a t case to work.
     
  4. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    SM 465 and NV4500 also have PTO ports on both sides of the tranny's. It's not just a t-case thing.

    Rene
     
  5. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    so what would be a practical use on a k5?
     
  6. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Nothing really. Unless you find one of those HUGE PTO operated Garwood winches in the larger 2.5 and 5 ton military trucks. :eek1:
     
  7. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    ok, well i'm going to take it upon myself to find a d@mn good use for one and then sell it to all of you. ;) we'll see what i can come up with!
     
  8. theperfectgarage

    theperfectgarage 1/2 ton status

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    Yeah, your just getting creative on coming up with bucks for your new transmission. :D
     
  9. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    nah, the money side of things is not the concern for this swap - i'm getting an unbelievable deal, it amazes me how good this deal is. but i have a hard time with the concept of leaving well enough alone. :) if it's got the possibility of some constructive use, then it's going to be put to some constructive use. :D
     
  10. theperfectgarage

    theperfectgarage 1/2 ton status

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    Well, carry on then.
     
  11. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    well, i'll send you a free one just b/c you went to the same school as my wife, only in a previous millenia. :wink1: so don't be too upset. :D
     
  12. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    A good use for a PTO is to run a hydraulic winch. A Chelsea PTO hooked to a small gear driven hydraulic pump. Most parts you could scavenge off of an old tow truck...

    Rene
     
  13. R77K10

    R77K10 Banned

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    lots of trannies have PTO opening

    including the 420, 435, 465,
    and transfer cases and other stuff

    use them to operate dump beds, roll backs, plows, etc

    they most comonly drive a pump which is used to move cylinders in the above and other applications

    on a k5 i dont knwo what you could do with one other than a plow

    thats about it really



    good luck
     
  14. boz42

    boz42 1/2 ton status GMOTM Winner

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    u could build a hydro margarita blender big enough to supply everyone in camp, in fact u build it, buy the liquor & i will meet up w/ u to drink.
     
  15. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    well, i'm not much of a drinker, but if that's what the market demands . . .


    rene - how would you keep the cables out of your running gear/engine/body/etc?
     
  16. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    so i've been considering the aforementioned invention quite a bit recently, and realized that i don't have a d@mn clue what i'm working with. :D it would seem to me that such a contraption could only be run off of a truck in motion (or at least with wheel spin), as this is the only time the gears in a manual tranny or t-case are moving. is this correct?

    that might limit my imagination. :( but its ok - i'll still invent something super kick @ss, so don't fret, be assured, the gears in my head are spinning. i will have something which will make you want to give me money (as i know you are all so eager to do). :haha:
     
  17. ct85k10

    ct85k10 1/2 ton status

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    for the transfer case ptos that is corect but one off the transmision will spins unless the cluch is engaged

    colby t
     
  18. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    so you could potentially run it in neutral or when the vehicle is moving, correct?
     
  19. protechk5

    protechk5 1/2 ton status

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    Yeah so on a tranny, where is the pto or gear located? If your saying the clutch has to be engaged, would the pto spin fast if you were in a higher gear? Like put the t case in netural and then put the tranny in 4th. Does anyone get what Im saying? It probably doesnt even matter how fast in spins.
     
  20. ct85k10

    ct85k10 1/2 ton status

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    i dont think it maters what gear it is in because the transmission can be out of gear and the pto still spins when you let off the cluch at least thats how it works on my grandfathers bucket truck
     

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