tractor question

Discussion in 'Questions From New Drivers' started by mandiesel, Nov 25, 2007.

  1. mandiesel

    mandiesel Light Load Member

    195
    23
    Nov 9, 2007
    texas
    0
    I'm not a driver (yet) so excuse my ignorance but do both rear tractor tandems drive the tractor or just one??
     
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  3. Brian22

    Brian22 Light Load Member

    95
    16
    Aug 21, 2007
    Dallas, Tx
    0
    just the rear, however most trucks have a switch on the dash that allows you to lock both axles for times when you encounter poor traction its called the power divider, when it comes to freighliners i know for a FACT that you should never use the power divider at speeds above 35mph, and NEVER engage it while the wheels are spinning
     
  4. javelinjeff

    javelinjeff Medium Load Member

    621
    185
    Aug 30, 2007
    victorville,ca
    0
    the rearmost axles are the primary drive axles unless you switch on the differential lock switch on the dash or the truck has ATC(like mine) which will engage the forward axles when the rears lose traction.hope this helps
     
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