Detroit 60 Series 12.7 Fire truck engine

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Peterbiltt, Mar 7, 2025.

  1. Peterbiltt

    Peterbiltt Light Load Member

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    Does anyone have any information regarding 6067MK45 these model number engines? I have a serial number. Would like to know if they are worth to swap into a highway tractor. Its from a fire truck. 2001 DDEC 4. Any advice would help.

    Detroit series 60 ddec 3 ddec 4 12.7
    Belongs to the same family as 2ddxh12.7egl
    Shows as a 8309 cam
    7045 injectors
     
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  3. blairandgretchen

    blairandgretchen Road Train Member

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    Mines a 1995 , but it's a GK. DDEC3. I was aware of a PK, I think it has the piston cooling nozzles. Not sure.

    I don't see why you couldn't drop it in a truck. By your signature line - you're running a 2001 379 with a 14L Detroit in it currently?
     
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  4. Sons Hero

    Sons Hero Road Train Member

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    IMO, the 12.7 is peppier than the 14L. If it’s out of a fire truck, pretty good chance it doesn’t have a Jake brake, so you will have to rebuild the top end. I know of other guys that have done it though!
     
  5. HillbillyDeluxeTruck

    HillbillyDeluxeTruck Road Train Member

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    Isnt or wasnt the Hot ticket to put the 12.7 head on the 14L block, get rid of the egr and set the hp around 550-600?
     
  6. SmallPackage

    SmallPackage Road Train Member

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    Fire truck engine power ratings are sometimes higher then a truck application. Bigger oil coolers and sometimes bigger sump capacity to handle the idle and pto time. Most of the big city units around here for the past 25 years have all had Jakes.
     
  7. blairandgretchen

    blairandgretchen Road Train Member

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    Seem to remember something about an “Aussie fire truck tune” when it came to CAT motors , being all the rage. Sounds familiar.
     
  8. DDguy

    DDguy Light Load Member

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    What is the engine Serial number
     
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  9. DDguy

    DDguy Light Load Member

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    This depended if you had the DDEC4 EGR or DDEC5 the DDEC5 Egr engine didnt accept that head very well and even the ddec4 wasnt very successfull from a few cases ive been involved with
     
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  10. DDguy

    DDguy Light Load Member

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  11. DDguy

    DDguy Light Load Member

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    There is lots of rageing toons out there LOL
     
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