Tractor First, Right?

Discussion in 'Flatbed Trucking Forum' started by HandLogger, Feb 15, 2017.

  1. HandLogger

    HandLogger Light Load Member

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    Once again, you've posted one that made me smile, @TripleSix

    I grew up very rural, so folks would pitch in with one another to build each other's structures. One of the sayings I was taught along the way was: "Measure twice, cut once."

    We're -- and I mean more than one person -- presently looking for a good candidate based, in large part, on what I've learned here. Consequently, I'm also getting questions from others...and one of those questions was about changing the gear ratio in a tandem axle setup. I wan't sure, so I thought that I'd ask the experts.

    Once again, I look forward to learning more from all of you.

    Thank you for your time.
     
    Last edited: Mar 2, 2017
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  3. HandLogger

    HandLogger Light Load Member

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    Well, the work itself seems to be fairly straight forward, but what about the costs? Any thoughts on what the cost of getting the "right" set of gears might be? 4.11:1, for example?
     
    Last edited: Mar 1, 2017
  4. rank

    rank Road Train Member

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    Ahem....and the 8.75" Mopar thank you.
     
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  5. rank

    rank Road Train Member

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    Parts wise, It was going to be cheaper for me to change my 15 spd trans to a 13 to drop my final ratio. Something like $5k for the trans vs I think ~$3500 for each Rockwell SQ100 gear set. Maybe Eatons are cheaper? There's two of them see that's the catch. Less labor tho.
     
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  6. cke

    cke Road Train Member

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    What gear ratio do you have
     
  7. rank

    rank Road Train Member

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    3.90. ~1700 at 60 mph. 3.55 or 3.70 with a 13 would be nice
     
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  8. rank

    rank Road Train Member

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  9. cke

    cke Road Train Member

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    I have 3.21 rears with a 15 speed 1600 at 65. would like to get it down another 100 or 200 rpm
     
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  10. TripleSix

    TripleSix God of Roads

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    Tall rubber if you don't have them.
     
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  11. cke

    cke Road Train Member

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    johndeere4020 and rank Thank this.
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