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Intl 4900 DT 466E PTO question

Discussion in 'International Forum' started by Mloatateli, Sep 18, 2022.

  1. Sep 18, 2022 #1
    Mloatateli

    Mloatateli Bobtail Member

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    Sep 18, 2022
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    We have an International 4900 DT 466E which is set up as an oil delivery truck. It has a two speed PTO connected to a pump.

    The drivers are having a hard time getting the PTO into high speed.

    It appears that the only connections to the PTO are a lubrication hose coming off the transmission, and electrical connections for control.

    The lever for switching PTO speeds is a pneumatic affair. I don't see where there is an interface from the pneumatic system to the PTO.

    Any insight would be greatly appreciated!
     
    Mloatateli, Sep 18, 2022
    Mloatateli, Sep 18, 2022
    #1
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  3. Sep 18, 2022 #2
    Mloatateli

    Mloatateli Bobtail Member

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    Sep 18, 2022
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    Perhaps it's the pump that's two speed. There is a pneumatic line going to the pump.
     
    Mloatateli, Sep 18, 2022
    Mloatateli, Sep 18, 2022
    #2
  4. Sep 18, 2022 #3
    Hammer166

    Hammer166 Crusty Information Officer

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    You sure that's a lube hose going to pto? On the big trucks they just share transmission lube through the case. there's generally just the air line to engage and a single wire for an indicator light. If you have multiple wires in guessing its solenoid engaged.

    The only two-speed PTO I've ever dealt with was the old Spicer PowerTowers, which were normally lever-shifted and also had reverse.

    I didn't see anything on a quick Google to help you, hope you have some luck figuring it out!
     
    Hammer166, Sep 18, 2022
    Hammer166, Sep 18, 2022
    #3
    AModelCat Thanks this.
  5. Sep 18, 2022 #4
    AModelCat

    AModelCat Road Train Member

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    Maybe its not designed to be shifted on the fly and has to be stopped first?

    Never heard of a 2 speed PTO either.
     
    AModelCat, Sep 18, 2022
    AModelCat, Sep 18, 2022
    #4
    Hammer166 Thanks this.
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