Diesel Exhaust Fluid

Dawson Oil Co. is committed to having what  you need for your next generations equipment.
DEF is available now  in    2.5 Gallon Quick Pour Jugs        
                                                55 Gallon Drums                                             
                                              330 Gallon Totes

Here's how DEF is used by your engine

EPA 2010 vehicles equipped with Selective Catalytic Reduction (SCR) technology will use Diesel Exhaust Fluid.   Diesel Exhaust Fluid, also called DEF, is a solution made up of purified water and 32.5 percent automotive-grade urea that is used as a carrying agent for the ammonia needed to reduce nitrogen oxide (NOx) emissions from vehicles into nitrogen, water and carbon dioxide (CO2).

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Driving Range for DEF in HD Trucks

 A typical North American Fleet Sleeper Tractor will likely fill its Diesel Exhaust Fluid tank once every 10 days….or top off every 2 or 3 days1

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