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Truck engine and tran selection?s

Discussion in 'Ask An Owner Operator' started by 2hellandback, Dec 2, 2008.

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  1. Dec 2, 2008 #1
    2hellandback

    2hellandback Heavy Load Member

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    Dec 19, 2007
    Blackfoot Idaho
    0
    Ill be hauling pneumatic tanker doubles 100-129,000, cements and sands mostly out west, some midwest and south west,lots of rocky mountian areas.

    Ill be going 2003 or older:
    Engine 475 hp enough? Or should go to 550hp

    cat 3406e,or C-15 ?

    Cummins isx or n-14 ???

    Tran 13 spd, 15 spd or 18 spd ???

    What rears do i need?
    I would like 3:36 rears hard to find, but 3:55s seem the norm!



    My 2003 T-600 475hp 3:58 rears and 13 speed, cummins ISX gets 5.5 to 6.8 mpg, right now here in the rock springs wy area, thats 100 mi loaded and back 100 miles empty, with a single pn tanker hauling 30,000 to 52,000lbs of cement or sand, one way and empty back, and thats at 70mph.

    But im not sure this combo will work western states/ rocky mountians with doubles at 100-129,000 ?

    Ive driven a lot of 525 and 550hp cats, they seem to lug better than my ISX and shift a hell of a lot better but fuel sucks in most of them like 4-5 mpg.

    Thanks,
    2hellandback
     
    2hellandback, Dec 2, 2008
    2hellandback, Dec 2, 2008
    #1
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  3. Dec 2, 2008 #2
    Les2

    Les2 Road Train Member

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    The question I have is are you gonna be running doubles all the time or just every once in a while? Areyou gonna be in and out of places that you will need a low gear to get going?

    The thing is if your gonna be running interstates that the speed is 70 and you want to run it then you will want something that you can do that and get good mpg.

    I would suggest talking with some others who do this and ask what their setup is and how they like it.
     
    Les2, Dec 2, 2008
    Les2, Dec 2, 2008
    #2
  4. Dec 2, 2008 #3
    550hpW900L

    550hpW900L Road Train Member

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    If you go 2003 and older look for a C16 600hp, 18 speed and 3.70 gears for the kinda weight you will haul, 3.36 with 129k and rocky mountains DO NOT MIX!

    The 525hp is a bridge and will suck fuel, the 550hp 6NZ single turbo will do fine as well. I say go for the 600 CAT get a fuel temp wire and some trim codes put in the ecm for 100hp more and dont look back. I averaged 6.2mpg on a 4200 mile west coast trip running heavy both ways with my 1021hp C15 with a very heavy foot.
     
    550hpW900L, Dec 2, 2008
    550hpW900L, Dec 2, 2008
    #3
  5. Dec 2, 2008 #4
    2hellandback

    2hellandback Heavy Load Member

    978
    237
    Dec 19, 2007
    Blackfoot Idaho
    0
    #### c-16s arew hard to come by! thats crazy good for a c-15 1021 hp cat.
     
    2hellandback, Dec 2, 2008
    2hellandback, Dec 2, 2008
    #4
  7. Dec 2, 2008 #5
    550hpW900L

    550hpW900L Road Train Member

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    The more hp the better the millage.
     
    550hpW900L, Dec 2, 2008
    550hpW900L, Dec 2, 2008
    #5
  8. Dec 2, 2008 #6
    25(2)+2

    25(2)+2 Trucker Forum STAFF Staff Member

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    the road less travelled
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    Maybe you can find 1 with the Cat transmission brake, that would also be helpful pulling that heavy load in the mountains.
     
    25(2)+2, Dec 2, 2008
    25(2)+2, Dec 2, 2008
    #6
  9. Dec 2, 2008 #7
    550hpW900L

    550hpW900L Road Train Member

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    I wouldnt even try to find a brakesaver, i dont even think they make them anymore, thing was a nightmare, leaked oil everywhere.
     
    550hpW900L, Dec 2, 2008
    550hpW900L, Dec 2, 2008
    #7
  10. Dec 2, 2008 #8
    2hellandback

    2hellandback Heavy Load Member

    978
    237
    Dec 19, 2007
    Blackfoot Idaho
    0

    What does a fuel temp wire do and where do you get them along with trim codes. please eplain these and how you got 1021 hp out of a 550 c-15 cat

    thanks !
    2hellandback

    Any body else out there with real world expierence to help with my org post?
     
    2hellandback, Dec 2, 2008
    2hellandback, Dec 2, 2008
    #8
  11. Dec 2, 2008 #9
    550hpW900L

    550hpW900L Road Train Member

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    Go visit the tech and tips section for info.
     
    550hpW900L, Dec 2, 2008
    550hpW900L, Dec 2, 2008
    #9
  12. Dec 2, 2008 #10
    C16KIWI

    C16KIWI Medium Load Member

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    Jun 14, 2008
    New Zealand
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    I have to disagree Martin,I have had a brakesaver in the last two trucks I have had.
    I have a C-16 and the brakesaver turned up to 65psi with the jakes its putting out about 850hp of hold back and never leaked oil.
    Brakesaver own its own about 420hp good in town (no noise) I would love a nice W900 with a C-16 if I lived over there.
     
    C16KIWI, Dec 2, 2008
    C16KIWI, Dec 2, 2008
    #10
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