Forum Discussion
45Ricochet
Oct 13, 2013Explorer
It is debated ALOT on the Cummins forum :B Just me but I would never need the 4.1 cause I would never be towing that much weight. I would go with the 3.73's but most of the guys running 3.42 seem to be doing pretty well. Not to many RV's weighing in at 20k lbs :W
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