Volumes of information can be found online regarding the Tier 4 regulations for off-highway diesel engines. The following pages provide links to information from a few of the popular tractor brands.
Challenger, Fendt, Massey Ferguson, Valtra
AGCO has deployed its e3 selective catalytic reduction system to merge energy, economy, and ecology. A new diesel exhaust fluid (DEF) injection system featuring a nitrous oxide sensor measures the exhaust before it enters the diesel exhaust catalyst. The system then injects the most appropriate rate of DEF needed to match the engine load and best oxidize the emissions being produced.
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