Caterpillar 3408.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by seabring, Mar 4, 2012.

  1. SmokinCAT

    SmokinCAT Road Train Member

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    I know people that run 3408s on a regular basis, they are averaging over 5mpg consistently, most have updated their running gear and are running faster gear ratios.

    Looked at this K100 a while back, it was set up with 3.70 rears from the factory but had a direct 9 speed behind it, so it would still carry quite a few rpms, 1750 rpm at 60mph isn't the best for fuel economy.

    [​IMG]
     
    MartinFromBC Thanks this.
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  3. Superhauler

    Superhauler TEACHER OF MEN

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    keep stroking.
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    yup!!!....
     
  4. MartinFromBC

    MartinFromBC Road Train Member

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    Read this old thread and it made me happy how some still love the mighty 3408.
     
    snowman_w900, 7-UP and rank Thank this.
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