The 6.7 Cummins grid heater is prone to failure, but why is this? We'll discuss the reasons and the fixes for this ...

Rocky Mountain Power's Business program helped RC Willey install engine block heater controllers on their delivery vehicles to help them save energy and money.

Trucks with a 6.7L Cummins engine have a block heater built in, so if you live in an extremely cold climate, you’ll want to ...