Transmission Question

Discussion in 'Questions From New Drivers' started by TheShadow, Sep 7, 2012.

  1. TheShadow

    TheShadow Light Load Member

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    Aug 20, 2012
    Anywhere, USA
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    Hey Forum:

    Here's one for your background: Are most tractor-trailers standard, automatic or 10-speed?

    Thanks,

    Shadow
    truck-crash-hiring.jpg
     
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  3. IceCreator

    IceCreator Medium Load Member

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    Jul 3, 2012
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    Standard.

    Not sure the difference between a standard and a 10 speed?

    Most fleets are 10 speeds.
     
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  4. TheShadow

    TheShadow Light Load Member

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    Aug 20, 2012
    Anywhere, USA
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    The driving school I'm considering advertises they have standards, automatics and 10-speeds available. I think they mean ANY gear ratio number, 10, 11, 13...when they say standard as opposed to a 10-speed.
     
  5. nicholas_jordan

    nicholas_jordan Medium Load Member

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    Mar 31, 2012
    temple texas
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    then they probably have eaton-fuller 5 with spit axle and automatics ... there is not just one type of automatic but the obvious - experienced correct me - is that a dana auto probably is not alot different from an eaton auto except that the dana probably has a power-shift window of about 50 rpm and the eaton will be on a cummins with a broader torque window ~ google Mack double under and post back .....
     
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  6. STexan

    STexan Road Train Member

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    Oct 3, 2011
    Longview, TX
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    Most company trucks today are 9 and 10 speed (little difference) the automatics probably make up less than 30% on the road today and I really don't see them growing in popularity beyond where they are today, any time soon. If given the exclusive choice, by all means train in 10 speeds. I want nothing to do with autos.
     
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  7. TheShadow

    TheShadow Light Load Member

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    Anywhere, USA
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    Thanks STexan! Best answer yet! Score one for Dallas.
     
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