Forum Discussion

kgard1225's avatar
kgard1225
Explorer
Nov 19, 2014

do gassers offer anything like the DP engine brake

Hi, looking for a class A but will be in mountainous areas a lot and want to see if there is any type of extra braking available on the gassers. I searched the diesel vs gas posts but see no mention o...
Class A
rgatijnet1's avatar
rgatijnet1
Explorer III
Nov 19, 2014
Allison calls it their grade brake and is available on the GM gas powered RV's built after 2005 with the Allison transmissions.
Ford transmissions also have a grade brake feature called the tow/haul mode that downshifts on descents to provide braking.
Gasser RV's have no problem in the mountains with either the climb or the descent.

About Motorhome Group

38,769 PostsLatest Activity: Mar 31, 2026