EGR duty cycles have been lowered since the adaptation of SCR technology. Some of the newest generation engines coming out in the off-road segment (emission standards are now pretty much identical to on-road standards) don't even have EGR. All the emissions targets are met by solely using the aftertreatment systems.
Problematic EGR systems problems solved using Dual EGR canisters?
Discussion in 'Ask An Owner Operator' started by Thane, Jan 15, 2019.
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The red farm tractors(Massey and International) used DEF heavily, the green ones tried to get by with less, they were running Maxxforce truck engines in their parts fleet, but no longer doing that, either.
Sidenote, had to idle or bake or freeze running regional, and engine had 15k hours on it when lease company took it back. 460k miles.Oxbow Thanks this. -
So is it safe to say short haul and local guys with lots of stop and go should still avoid a newer emmisions motor?
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Oxbow Thanks this.
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Like I said, I don't know as much about the emissions control systems as I'd need to to be an O/O. But if you're on O/O wanting to keep running a glider kit after 21/22, you're going to have to put a system on it. Why not put on two systems if they're troublesome, have one as a backup you can go to when the main system is acting up? The newer systems are supposedly better. But will a newer system work on a 2004 DD? Or are we talking about having to replace the engine, too?
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2 systems would be extremely impractical (not to mention extremely expensive). Frame space to mount just one aftertreatment system is already scarce on a lot of trucks. Plus you're going to add a lot of unneccessary weight and double the amount of electrical problems.
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Last edited: Jan 15, 2019
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No. It cant. If you understood how the system works and all of the componets required you would understand why it cant be done. Massively complicated and probably more failure prone then a normal system.
Pitch it on shark tank. -
Plus I don't believe the ECM's have provisions to read/switch between 2 seperate aftertreatment systems.
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