DEF in diesel SCR systems.
Modern diesel engines require the use of DEF fluid to meet the clean air standards. I tow with a 98.6 Dodge Cummins powered truck, thus no DEF is necessary. But those who have the newer versions of Di...
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We have a bulk tank of it on the farm for our tractors. It is kept in a shop that is heated in the winter. In the summer the shed is slightly air conditioned but, that is mostly to keep the moisture level down so things don't mold.
The last bulk tank was 2 years old before we got it empty and we had no problems with the DEF.
The biggest problem has been the bulk tank pump gets stuck and has to be freed up before it will run.
My brothers 2015 Ford 1 ton message center does tell him in the winter that it's "cleaning the exhaust filter" a lot of the time. But, he spends a lot of time idling it and using it on short trips. As soon as it warmed up this spring the problem went away. The dealer told him the No.1 fuel used in the winter makes it need to clean the exhaust filter more often.
The last bulk tank was 2 years old before we got it empty and we had no problems with the DEF.
The biggest problem has been the bulk tank pump gets stuck and has to be freed up before it will run.
My brothers 2015 Ford 1 ton message center does tell him in the winter that it's "cleaning the exhaust filter" a lot of the time. But, he spends a lot of time idling it and using it on short trips. As soon as it warmed up this spring the problem went away. The dealer told him the No.1 fuel used in the winter makes it need to clean the exhaust filter more often.
