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What is a Cummins "red top" engine?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by jack_hammer, Feb 8, 2014.

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  1. Feb 8, 2014 #1
    jack_hammer

    jack_hammer Bobtail Member

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    Aug 19, 2011
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    What is a Cummins "red top" engine?
     
    jack_hammer, Feb 8, 2014
    jack_hammer, Feb 8, 2014
    #1
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  3. Feb 8, 2014 #2
    KeithT1967

    KeithT1967 Road Train Member

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    Red Top is the nickname of Cummins N14 Celect+ 525E engine. It was available in HP settings starting from 460 to 525. The name comes from its Red valve covers. In my opinion the best diesel ever built.
     
    KeithT1967, Feb 8, 2014
    KeithT1967, Feb 8, 2014
    #2
    montrose818, Big_D409 and 123456 Thank this.
  4. Feb 8, 2014 #3
    25(2)+2

    25(2)+2 Trucker Forum STAFF Staff Member

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    the road less travelled
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    Red Top N-14 had top covers as castings painted red, was the visible identification for the higher horsepower of 460 up to 525 available from the factory.

    Earlier high rating ones didn't have the red covers. Not sure when it started.
     
    25(2)+2, Feb 8, 2014
    25(2)+2, Feb 8, 2014
    #3
  5. Feb 9, 2014 #4
    jack_hammer

    jack_hammer Bobtail Member

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    Aug 19, 2011
    Minnesota
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    So if you're going to have a cummins thats the one to have? I thought all cummins motors were red....

    I found a 500hp version in an 06 volvo but it doesnt say what the mileage is.....
     
    jack_hammer, Feb 9, 2014
    jack_hammer, Feb 9, 2014
    #4
  7. Feb 9, 2014 #5
    Pablo-UA

    Pablo-UA Road Train Member

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    not the best engine with fuel milage, but very reliable, better any ISX and relativelly cheap to maintane. In ex-USSR it was beloved engine, was used in MAZ and KRAZ trucks... but unfortunatly it was dsicontinued in 2000 in EU and in 2002 in USA, becouse of emission laws
     
    Pablo-UA, Feb 9, 2014
    Pablo-UA, Feb 9, 2014
    #5
  8. Feb 9, 2014 #6
    rebeloutlaw66

    rebeloutlaw66 Light Load Member

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    Not sure if they were still making the n14, in 06.
     
    rebeloutlaw66, Feb 9, 2014
    rebeloutlaw66, Feb 9, 2014
    #6
  9. Feb 9, 2014 #7
    KeithT1967

    KeithT1967 Road Train Member

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    Red cummins engines are a fairly recent change. Pre-ISX/ISM they were black. So a Redtop would be black with red valve covers.

    N14's were never fuel hogs. Speced right they approach pre-egr Detroit mpgs pretty easily. I regularly got 7+ on a tank in a mid roof 9400 with zero aero aides while pulling heavy dry van and reefer.
     
    KeithT1967, Feb 9, 2014
    KeithT1967, Feb 9, 2014
    #7
    tommymonza Thanks this.
  10. Feb 9, 2014 #8
    Pablo-UA

    Pablo-UA Road Train Member

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    06 N14 is Chenese engine, they are allowed to use Euro-II engines (EC99), in USA this emission level was till '02.
     
    Pablo-UA, Feb 9, 2014
    Pablo-UA, Feb 9, 2014
    #8
  11. Feb 10, 2014 #9
    JohnP3

    JohnP3 Road Train Member

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    The red valve covers are an option nothing more, it is a cast aluminum valve cover, instead of the steel covers like the older engines, avalable in every HP avalable. It is not a code for anything except less chance of leaking.
    Just a thought!
     
    JohnP3, Feb 10, 2014
    JohnP3, Feb 10, 2014
    #9
  12. Feb 10, 2014 #10
    Narcis.M

    Narcis.M Light Load Member

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    Oct 17, 2010
    Quebec
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    I got a stable 7.5 mpg on reefer pull with 500hp n14 @ 1350 rpm @ 62 mph witch is not bad imo .
     
    Narcis.M, Feb 10, 2014
    Narcis.M, Feb 10, 2014
    #10
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