How long is the Detroit One-Box supposed to last?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by PE_T, May 23, 2020.

  1. lester

    lester Road Train Member

    Jan 2, 2012
    NW, Iowa
    Talking about doing deletes and technical information on doing so is a no no. Telling us why yours was a horrible idea I think would be welcomed
    Rubber duck kw, Rideandrepair and PE_T Thank this.
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  3. jammer910Z

    jammer910Z Road Train Member

    May 28, 2015
    Got about 575,000 on mine and it went out (hole worn in exhaust)

    Was quoted that $9k at the dealer but my carrier went through OUR rep and was able to get one for $3k because we buy all of our trucks from them and they shipped it to where I was (saved $6k)

    Another option is a reman unit.
    They're cheaper.
    Dealer won't tell you. You have to bring it up.
    Rideandrepair and PE_T Thank this.
  4. PE_T

    PE_T Road Train Member

    Yeah, I remember when I was part of a big fleet and the company was able to replace one of my axle differentials even though the truck was out of warranty. They told me that because I was close to the 500k warranty and because Stevens Transport buys a lot of trucks from Freightliner, there were able to cover it. They probably saved me thousands.
    77fib77 and Rideandrepair Thank this.
  5. WrenchWrenchWrench

    WrenchWrenchWrench Light Load Member

    Jan 3, 2016
    Wow, so after days of troubleshooting they decided to just replace everything behind the turbo? Well I guess that will fix it.
    Rideandrepair and PE_T Thank this.
  6. uncleal13

    uncleal13 Road Train Member

    Apr 9, 2009
    Humboldt, Sk
    Sometimes One-Box issues can be caused by problems up stream. Tight valves in the head can cause higher NOx output then what the box was designed to handle.
    Could be as simple as a top end valve set.
    Or, yes, turbo problems too.
  7. aaronpeterbilt3787

    aaronpeterbilt3787 Medium Load Member

    Apr 2, 2016
    Only reason it was a horrible idea is now try to get rid of the truck. It actually made the truck much more driveable. Better fuel mileage. Etc etc. But mine is also a 2009. First go round for dpf. No def. horrible system. But the new ones are much much better. I’m dealing on a new truck with ew4 and tc4 warranty included. Only way to go now days in my opinion.
    Rideandrepair, PE_T and uncleal13 Thank this.
  8. Rideandrepair

    Rideandrepair Road Train Member

    Aug 8, 2015
    Designed to last one day after warranty expires. Lol, I had to say it. They should have mandated coverage. One of my catalytic converters went van on my car.. It was within the Government mandated warranty. 8 yrs. and 75k . Something like that. I had no idea. Saved Me $700
    bzinger and PE_T Thank this.
  9. Motto

    Motto Light Load Member

    Apr 10, 2020
    If it original epa10 one box st 800k it will be dead for sure. The replacement one box will be ghg14 one box. This one is built better and may last little more..
    mpd240 and PE_T Thank this.
  10. PE_T

    PE_T Road Train Member

    Now that you mention it, it would make sense that they upgraded my one box to GHG14. It’s good to know.
    Motto Thanks this.
  11. Motto

    Motto Light Load Member

    Apr 10, 2020
    Production of epa10 one boxes ended 3-4 years ago..
    PE_T Thanks this.
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