Lower first gear trans

Discussion in 'Heavy Haul Trucking Forum' started by m16ty, Nov 11, 2017.

  1. m16ty

    m16ty Road Train Member

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    Well I'm still researching the matter. I'm looking into two speed rears also but I'm not finding much info on the web. Can a person just swap out the carrier in my existing rear ends to change to two speed or do you have to swap out the complete axle? What are common ratios?

    When you do a Google search for 2 speed rears, all that comes up is 2-ton truck type axles with electric shift.
     
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  3. Oxbow

    Oxbow Road Train Member

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    I don't know about swapping out the carriers. You would have to plumb in air lines to them from a dash switch as well, but that would not be too difficult. My ratios are 4.10 and 5.62.
     
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