Thor Forums

[EA37TS]

Originally Posted by danj12

I have a new 2016 Super C, with two gas tanks 48 and 25. Do you know how many gallons the DEF tank holds. I can't find info anywhere. Also, how often do I have to keep it filled, It would be nice to have a gauge. What do you use for a rule of thumb, fill ups to adding DEF.

Thanks Dan

Dan

The F550 should have a DEF tank that is approximately 5 gallons and should have a low def light on the instrument cluster.