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DD15 HP Settings w/dt12 trans

Discussion in 'Freightliner Forum' started by traderpats, Apr 3, 2017.

  1. Apr 3, 2017 #1
    traderpats

    traderpats Light Load Member

    101
    99
    May 24, 2013
    Oregon
    0
    Looking at buying a new Cascadia. The spec sheet has the hp rated at 505 I believe. I'm thinking about having the shop turn it DOWN to about 400 or so. It has a dd15 OD with 2.85 rear. I was under the impression changing the hp was as simple as hooking it up to the computer? Anyone pluses or minuses to doing this?
     
    Last edited: Apr 3, 2017
    Reason for edit: clarity
    traderpats, Apr 3, 2017
    traderpats, Apr 3, 2017
    #1
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  3. Apr 3, 2017 #2
    CJndaTruck

    CJndaTruck Road Train Member

    3,348
    3,364
    Nov 21, 2014
    Knoxville, TN (area)
    0
    Not sure I would go down to 400. 450 might be fine as you can get it from the factory that way. Why would you want 400? Possible fuel savings? Think 450 and yes the dealer can do it. I have 505 and have no issues.
     
    CJndaTruck, Apr 3, 2017
    CJndaTruck, Apr 3, 2017
    #2
  4. Apr 3, 2017 #3
    traderpats

    traderpats Light Load Member

    101
    99
    May 24, 2013
    Oregon
    0
    Thanks for the response. Actually considering between 400 and 450 and yes, for fuel savings. I don't pull many loads above 25k so looking for savings where I can. What do you get running 505hp? That's what this one is spec'd at now.
     
    traderpats, Apr 3, 2017
    traderpats, Apr 3, 2017
    #3
  5. Apr 4, 2017 #4
    mhyn

    mhyn Road Train Member

    4,255
    4,513
    Dec 29, 2008
    Northridge, CA
    0
    you will have big headache with dt12 after 400-500k miles. And parts are very expensive for that ####ty european transmission.
     
    mhyn, Apr 4, 2017
    mhyn, Apr 4, 2017
    #4
    Verdel and QUALITYTRUCK Thank this.
  7. Apr 4, 2017 #5
    Verdel

    Verdel Medium Load Member

    599
    135
    Oct 26, 2013
    0
    ".....you will have big headache with dt12 after 400-500k miles. And parts are very expensive for that ####ty european transmission....."


    You will get the same with I-shift from Volvo. They don't know or don't care to fix them, replacement is around $15 000......

    If you want auto, get Eaton Ultrashift + or 3 pedal Autoshift. You can repair them your self.
     
    Verdel, Apr 4, 2017
    Verdel, Apr 4, 2017
    #5
    mhyn Thanks this.
  8. Apr 4, 2017 #6
    Roberts450

    Roberts450 Road Train Member

    2,237
    3,635
    Feb 6, 2016
    0
    Lower horsepower will get worse fuel milage by the way. Better to leave it at 500+ hp. Especially with that tall of gear.
     
    Roberts450, Apr 4, 2017
    Roberts450, Apr 4, 2017
    #6
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