What is DEF and when will I need it?
DEF – a stable, non-toxic solution made of synthetic urea and deionized water – is a key ingredient for the Selective Catalytic Reduction (SCR) exhaust after-treatment process being utilized in model year 2011 and beyond Case IH high horsepower tractors. In combination with proven Case IH engines, this technology will improve engine power and responsiveness, fuel economy, and overall durability for Case IH Steiger®, Magnum™, and Puma™ tractors, while helping them meet 2011 EPA emissions regulations.
Even when taking into account fuel cost, tests show that Case IH equipment with SCR technology reduces total fuel costs by 10 percent. While it’s true that you’ll be handling another fluid on your farm, Case IH chose SCR because of the significant savings in terms of fuel costs that it could provide its customers and because SCR technology provides the most feasible path for future emission standards for high-horsepower applications.