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single turbo C15 Cat

Discussion in 'Ask An Owner Operator' started by rollin coal, May 10, 2009.

Page 1 of 4
  1. May 10, 2009 #1
    rollin coal

    rollin coal Road Train Member

    13,292
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    Mar 29, 2008
    TN
    0
    I've got an '03 single turbo pre-emissions C15 I'm about to put to work in a couple of months. I've been driving company trucks for years but never had a Cat. It's always been ISX Cummins or 12.7 Detroits. I actually wanted to get a truck with an ISX but found a cat powered KW that had been meticulously maintained and never idled so I bought it. What is the rpm sweet spot on this engine? Is it likely I'll get 6.0 mpg? This is a t600 aerodyne 13 od with 3:70 rears and no fairing on top of the sleeper pulling a 53' dry van. Avg gross will be about 75K running I81 in VA weekly. It's been a few weeks since I took it for a ride but I belive 1600 rpms puts me at about 70mph and I planned on running 68mph pretty much everywhere I go. Welcome all comments on single turbo c15's thanks!
     
    rollin coal, May 10, 2009
    rollin coal, May 10, 2009
    #1
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  3. May 11, 2009 #2
    turbojon

    turbojon Bobtail Member

    1
    0
    May 11, 2009
    indianapolis, in
    0
    That's a great engine, however I will warn you that it has a habit of eating the turbo on this engine. If and when you run into that problem just know there is a fix. I found a location that discusses this problem and helps explain where to get a heavy duty replacement turbo, just google when looking for caterpillar turbochargers. I wish you well, and good luck with your new truck!

    TJ
     
    turbojon, May 11, 2009
    turbojon, May 11, 2009
    #2
  4. May 11, 2009 #3
    MedicineMan

    MedicineMan Road Train Member

    5,799
    6,440
    Jan 13, 2007
    Woodville, TX
    0
    if thats a bridge motor (serial number begining with MBN) you'll be lucky to see 5mpg
     
    MedicineMan, May 11, 2009
    MedicineMan, May 11, 2009
    #3
    droy Thanks this.
  5. May 17, 2009 #4
    rollin coal

    rollin coal Road Train Member

    13,292
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    Mar 29, 2008
    TN
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    I believe it does start with MBN but my truck isn't handy right now and I can't find some paperwork that had the engine serial# on it. I didn't know there were any "bridge" cats with a single turbo? The truck was assembled in April '03 before the october standards went into effect.
     
    rollin coal, May 17, 2009
    rollin coal, May 17, 2009
    #4
  7. May 17, 2009 #5
    24valve puller

    24valve puller Medium Load Member

    399
    89
    Sep 8, 2007
    N.E. Oh
    0
    mbn = p.o.s. but it can be fixed
     
    24valve puller, May 17, 2009
    24valve puller, May 17, 2009
    #5
  8. May 17, 2009 #6
    rollin coal

    rollin coal Road Train Member

    13,292
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    Mar 29, 2008
    TN
    0
    Can I put a programmer on it and help? I am my own warranty...
     
    rollin coal, May 17, 2009
    rollin coal, May 17, 2009
    #6
  9. Sep 29, 2010 #7
    CATshaker

    CATshaker Bobtail Member

    35
    2
    Sep 25, 2010
    Rushville, IN
    0
    i have a mbn engine.. what i have done with mine is got rid of the catalyc mufflers, which gained me 1mpg... dont try to get a programmer on it cause it wont work,,, the ecm will just derate the engine... i had to replace my ecm cause of corrosion.. so i replaced it with an 6NZ ecm and wowwwww... i am now getting a strong 5.8 mpg in the hills across 64 going into virginia.... and on the flat lands going up 95 to philadelphia i am getting 7.8 mpg and that is with a bad turbo which now my truck is in philadelphia freightliner getting the turbo replaced.....oh and i done an OVERHEAD to it at 600k... that is my two cents
     
    CATshaker, Sep 29, 2010
    CATshaker, Sep 29, 2010
    #7
  10. Feb 20, 2011 #8
    raf147

    raf147 Bobtail Member

    43
    7
    Feb 20, 2011
    Wheeling, il
    0
    Hello, I have a mbm engine 475 single turbo, my mpg is about 4.3 and I am super mad... Just bought the truck, but the low mpg is killing me. I have a question regarding the ecm. What made you change the ecm for 6NZ? I have found a used ecm starting with 6NZ and I was wondering if you get any warnings or codes after changing the ecm ? my other question, were do I flash it to 600? dealer or any shop would do it and what is the price about. Thanks in advance, I am new to cat, own Macks.
     
    raf147, Feb 20, 2011
    raf147, Feb 20, 2011
    #8
  11. Feb 20, 2011 #9
    turnanburn

    turnanburn Medium Load Member

    628
    270
    Jan 25, 2011
    central Vermont
    0
    raf147, Go over to the garage section of this site. Many valuable threads on CAT equipment by very competent guys.
     
    turnanburn, Feb 20, 2011
    turnanburn, Feb 20, 2011
    #9
  12. Feb 20, 2011 #10
    raf147

    raf147 Bobtail Member

    43
    7
    Feb 20, 2011
    Wheeling, il
    0
    Yes, that is what I have done and got a lot of good information, I also contact Mr. Honey. Hopefully he can help.
     
    raf147, Feb 20, 2011
    raf147, Feb 20, 2011
    #10
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