3.91 vs 4.31 for up to 80K lbs

Discussion in 'Flatbed Trucking Forum' started by Tim4788, Jul 18, 2020.

  1. thejudges69

    thejudges69 Light Load Member

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    A buddy of mine runs 9 axles with 3.73 gears.
     
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  3. Tim4788

    Tim4788 Bobtail Member

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    218210808_10159587394178304_6329289808319818555_n.jpg Ended up with a 4.10 ratio and the 22918B 18speed. 6nz.
     

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    Last edited: Nov 26, 2021
  4. AModelCat

    AModelCat Road Train Member

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    Looks like CAT Power Module White. Same colour I painted my 3406A.
     
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  5. abyliks

    abyliks Road Train Member

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    Carrying weight off road and dragging it behind you are two totally different.

    Our triaxle has an 8LL with 4.56s on 11r24.5, 65-70ish mph is about 1750, the tractor with 4.33s does the same but that’s got a wonderful 15 speed in it. if you are doing little to no highway driving 4.33s and a rtlo 18 are the way to go.


    Edit: just noticed old thread
     
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