Choice of rear axle on 2016 F350
Hi everyone. We're ordering a new F350 (4x4 CC LB Diesel) and are trying to decide between the 3.73 and 4.30 rear axles. Presumably the 3.73 will have significantly better MPG, both empty and towing, ...
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I would also look at the tow rating for the truck...I know on my Ram in my sig they list the tow rating to be around 6000lbs less with the 3.73 vs the 4.10 gearing that I have. They had one on the lot identical to mine other than it had 3.73 gears, I ended up ordering mine to get the 4.10s. Much easier on the truck and drivetrain with the lower gears. I checked the rpm of both trucks driving at 60mph and there was only about 150 rpm diff as close as I could tell so I can't believe there would be hardly any difference any mileage. At about 58mph my comp shows I'm getting around 21 mpg with 4.10s.
