What year did tractors start using def. EGR was around 04 and they had a regen after ...
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What year did tractors start using def. EGR was around 04 and they had a regen after treatment system around 07. Sep 7, 2018 · Jump to page : 1 Now viewing page 1 [50 messages per page] Aug 3, 2014 · Sisu, an AGCO company with the diesels used in many of AGCO brands (Massey, Challenger for 2) started using DEF for Tier 3, primarily for the fuel economy advantage. The new 3 and 4's use a DPF and have regen cycles but no DEF. I think it was '07, but I'm not sure. 4 Powerstroke have DEF? Jul 26, 2006 · I think the emissions are both about the same on the 2520 and 2720. Jan 11, 2011 · Less Oxygen, less heat, less NOx. The new 2032R has def fluid, is that what you are talking about? That is incorrect sir, non of the 2, 3, or 4 series machine use DEF. Oct 28, 2025 · Many owners search terms like when was def required and when did def become mandatory because the answer depends on truck size, model year and use case. Whatever year Peterbilt went from the 379 to the 389. Dec 30, 2024 · First trucks had def in 2011.
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