N14 back to PT pump, no STC

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Oldschool3400, Apr 11, 2023.

  1. wore out

    wore out Numbered Classic

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    More mechanic than driver, and got sense enough to stay with CAT
     
  2. Oldschool3400

    Oldschool3400 Bobtail Member

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    I worked for cat for years. I’d rather have a 4MG, 5KJ or 3ZJ maybe even an old 7FB I’m out on the A- Model
     
  3. Oldschool3400

    Oldschool3400 Bobtail Member

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    I was in on rebuilding a bunch of 400kw, JWAC GEN SET 3406 engines years ago. They’d never live in a truck but were ###### at 1800 all day long. Would block load 400 KW.
    Worked on several 3412 PEEC 1000 KW STANDBY units also the ‘12 was the sweetest running cat ever. Don’t care for 3408, they sound like ####!
     
  4. pup

    pup Light Load Member

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    What do you have against the stc system?
     
  5. jamespmack

    jamespmack Road Train Member

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    Go N14 celect plus, or BC3. Not saying a mechanical N14,stc,444,475 won't or can't run. Just save your troubles.

    Cpl 2591 N14E is as good as it gets for Cummins.

    Wanna pass cow buses at the pump, get a Detroooit!.

    ;)
     
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  6. BoxCarKidd

    BoxCarKidd Road Train Member

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    Why would they not live in a truck? Just need a variable speed governor? Should be a cake walk compared to a boat motor that has the ocean to keep them cool.
     
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  7. BoxCarKidd

    BoxCarKidd Road Train Member

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    I know nothing about them but would listen to pup, wore out and the others. KVID0658_exported_24069.jpg
    wore out,and oldschooler from WV will be laughing their ### off. The rest of you will be scr KIMG0166.JPG atching yours.
     
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  8. Oldschool3400

    Oldschool3400 Bobtail Member

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    I’m of the opinion they wouldn’t like getting lugged back to 1200 rpm. At the fuel settings they had.
    Now if one was to ATAAC one and use a 10% spring in the Governor they maybe great.
    Ours used vernier throttle set to high idle and a Woodward Governor controlling the rack through the manual shut off shaft
    They are very responsive to load.
    I just assumed they wouldn’t be a great truck set up as they are set up.
     
  9. BoxCarKidd

    BoxCarKidd Road Train Member

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    You never said what truck you were putting it in. Have to run in their RPM range as you know. I have an industrial engine in a truck but it was made when the speed limit was 55. It is a bit gear bound so it likes the RPM. Also has some problems though. Will turn the sky black and get you a ticket. Not good on fuel. No governor or fuel pump will make an engine work outside of its operating range. Out of here!