Retard switch
My neighbor just bought a new 2013 Fleetwood Expedition 40X with a 360HP Cummings and Allison transmission on a Freightliner chassis. We were talking about the "Retard" button and he said the owners m...
Forum Discussion
I mine turned on ONLY when I want to use it to help manage speeds going down a steep hill. A lot of towns have laws/ordinances against the use of Jake Brakes within the city limits. I've never seen the NEED to use it at speed less then 50MPH unless on a long steep grade.
