Don't Let DEF Freeze!
Getting your Thunder Creek trailer or DEF tote ready for winter is easy. DEF freezes at 12° F (-11° C). If that occurs, you risk rupturing the DEF tank and damaging the hose and coupler as well.
This damage is not covered by the Three Year Warranty.
Below is a short video on how to get your DEF system ready for winter. It takes just a few minutes and can save you thousands.