My company Pete...

Discussion in 'Peterbilt Forum' started by Gunner75, Aug 31, 2014.

  1. Gunner75

    Gunner75 Road Train Member

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    So I've got my company truck, its a 2012 Pete 388, Eaton fuller 9 speed, with a Cummins isx15.

    What's the best shift ranges? It maxes out at 1500rpm, and at max speeds it sits right around 1400. I'm trying to get my shifting at the best ranges for fuel usage, but coming from my trainers truck who had a cat c15 and a 13 speed. I liked his truck, abd shifting was easy. While on his truck my average mpg was around 6.5. My first week in the truck my mileage was around 7.6.

    Also, is there anything I should be aware of with the regen system? How does it work, when does it start? How long should I wait to shut down after its went through a regen?
     
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  3. gokiddogo

    gokiddogo Road Train Member

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    I am interested to know what the HP and torque rating of your ISX is to get 7.6 out of a 388 ...
     
  4. Gunner75

    Gunner75 Road Train Member

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    Now that mileage is based on what the dash readout says. Im not to sure how accurate it is. I think it's around 475 hp. Far as torque goes, I haven't a clue
     
  5. GA_Rookie

    GA_Rookie Medium Load Member

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    So what you are trying to say is that you do not know how to use your Peter?

    1295f524307a02b2daca5eec31e317e0.jpg
     
  6. Gunner75

    Gunner75 Road Train Member

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    My "Peter" world just fine lol. I can drive and shift it just fine without issue. Im just wanting clarification on some things is all
     
  7. Cat sdp

    Cat sdp . .

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    Gunner75 Thanks this.
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