Thread: DEF Usage
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Old 11-24-2013, 02:25 PM
organized mayhem organized mayhem is offline
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Cummins says roughly 1 gallon of DEF for every 50 gallons of fuel used. Tank capacity in the manual is wrong. It lists the tank size for c&c models (4500+). 5.5 gallons is what 2500/3500 tank size should be from what is being reported elsewhere. Some are also reporting that their DEF guage is not very accurate.
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