F250 6.2 gas Towing heavy with 3.73 rear ??
Looking at a mid profile 5th wheel: Trailer: -36 ft. -Unloaded 10,000 lbs -GVWR for Trailer 12,255 -Pin weight 1,800 unloaded Truck: -6.2 with 3.73 -12,400 limit for 5th wheel -p...
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It should not be a problem. I had a 75 F-350 supercab, and it worked great with the 3.73 rear axle and 3 speed auto transmission! Back in the day of the 225 HP 460" engines. Your engine is rated at much more HP and can handle the load - even running in overdrive.
Why change the rear axle gears? You can run with 6th speed locked out, and get the same thing as changing $1,200 in gears for free! And still get wonderful mileage while not towing.
I know someone who towed a 10,000 pound fifth wheel with a then new 1983 F-150 and a 150 HP 351 engine in it. They traded in on a 1986 F-350 crewcab and 460" engine with only about 225 HP, and it towed so much better with the F-350. Still it was way less HP that you have, and they did great too.
Have fun camping!
Fred.
Why change the rear axle gears? You can run with 6th speed locked out, and get the same thing as changing $1,200 in gears for free! And still get wonderful mileage while not towing.
I know someone who towed a 10,000 pound fifth wheel with a then new 1983 F-150 and a 150 HP 351 engine in it. They traded in on a 1986 F-350 crewcab and 460" engine with only about 225 HP, and it towed so much better with the F-350. Still it was way less HP that you have, and they did great too.
Have fun camping!
Fred.
