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what revs would would a 1000pto be doing at idle

  • 25-10-2015 6:11pm
    #1
    f140
    Banned (with Prison Access) Posts: 875 ✭✭✭


    if you were in the 1000 pto mode and the tractor was ticking over at about 750-800 rpm. then what speed would the 1000 pto be doing roughly. I was hoping someone might have a digital readout from their tractor and know.


Comments

  • #2
    smokey-fitz
    Registered Users, Registered Users 2 Posts: 283 ✭✭smokey-fitz


    f140 wrote: »
    if you were in the 1000 pto mode and the tractor was ticking over at about 750-800 rpm. then what speed would the 1000 pto be doing roughly. I was hoping someone might have a digital readout from their tractor and know.

    Around 460 or 480 iirc
    Anyway whatever revs your 1000 setting is at say 2200rpm, half that (1100rpm) and you will have your 500rpm at the pto


  • #3
    tomwaterford
    Closed Accounts Posts: 16,768 ✭✭✭✭tomwaterford


    f140 wrote: »
    if you were in the 1000 pto mode and the tractor was ticking over at about 750-800 rpm. then what speed would the 1000 pto be doing roughly. I was hoping someone might have a digital readout from their tractor and know.

    Will all this not depend on gear ratios (IE different every make??)


  • #4
    patsy_mccabe
    Registered Users, Registered Users 2 Posts: 11,125 ✭✭✭✭patsy_mccabe


    It's a fixed ratio. Is it not written on the rev counter?


  • #5
    tomwaterford
    Closed Accounts Posts: 16,768 ✭✭✭✭tomwaterford


    patsy_mccabe wrote: »
    It's a fixed ratio. Is it not written on the rev counter?

    But the ratio will be different for different gearboxes
    Either way it'll be exactly twice the 540 as they are just driven off the same gear and the 1000 gear is half as many teeth as the 540 teeth


  • #6
    rathbeg
    Registered Users, Registered Users 2 Posts: 53 ✭✭rathbeg


    f140 wrote: »
    if you were in the 1000 pto mode and the tractor was ticking over at about 750-800 rpm. then what speed would the 1000 pto be doing roughly. I was hoping someone might have a digital readout from their tractor and know.

    If its doing 1000rpm say at 2200revs
    it will be doing363rpm at 800revs


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  • #7
    epfff
    Registered Users, Registered Users 2 Posts: 1,428 ✭✭✭epfff


    rathbeg wrote: »
    If its doing 1000rpm say at 2200revs
    it will be doing363rpm at 800revs

    Claas 340 something or another (my own tractor)
    430 revelations at 900revs


  • #8
    Melodeon
    Registered Users, Registered Users 2 Posts: 2,513 ✭✭✭Melodeon


    1000 / engine revs at pto 1000 * 800 = pto revs at engine 800


  • #9
    rathbeg
    Registered Users, Registered Users 2 Posts: 53 ✭✭rathbeg


    Melodeon wrote: »
    1000 / engine revs at pto 1000 * 800 = pto revs at engine 800

    no no no no thats not correct at all


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