Calculating Gear Ratio?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by gummy bear, Dec 24, 2009.

  1. shoe128

    shoe128 Bobtail Member

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    Jun 30, 2018
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    problem with that is mack uses a revers type gear number [meaning if you see a 6.36- it my be a 3.25 ]
    just a set of numbers they are not acrit... they just fig difforently iv ben thier
    thats if its a mack rear end -- all other are figurd the same pin into ring not ring into pin
     
  2. Mack427

    Mack427 Medium Load Member

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    Jan 22, 2009
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    nope thats fake news if its stamped 6.34s its 6.34 gears ive had several dms with those gears the other side to that story is the mack transmission in front of them will have a .60 top gear so its still a 60mph sherman tank
     
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