I have the 3:31 gear ratio on a 2019 F350CC SRW 6 speed Transmission. My trailer is about 15k lbs. No trouble pulling it on Hywy. 70 over the Rockies. I would think with the 10 speed tranny you will have no problems either.
__________________
2019 HC 384BR
2022 F350 KingRanch FX4 LB
|