How to Choose the Right Axle Ratio for Your Pickup Truck | Edmunds.com


How to Choose the Right Axle Ratio for Your Pickup Truck | Edmunds.com
If you're buying a pickup and you plan on towing or hauling heavy loads, here's how to choose the right axle ratio.
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http://www.hotrod.com/articles/how-gear-works/
From the linked article....
When you hear people refer to numbers like 3.08, 3.73, or 4.10, they’re talking about the ratio of the ring-and-pinion gears in the rear axle—hence, the numbers are more accurately 3.08:1, 3.73:1, or 4.10:1. The ratio is the number of teeth on the driven gear (ring) divided by the number of teeth on the drive gear (pinion). So, if the ring gear has 37 teeth and the pinion has 9 teeth, the ratio is 4.11:1. That also means that for every one turn of the ring gear, the pinion will turn 4.11 times.
According to this site . https://www.samlemanford.com/2019-ford-f-250-towing-capacity/ You would have plenty of payload capacity. The draw weight slightly exceeds the specs and while the truck would pull it, you might experience some premature wear or an issue when dealing with hills. There would be some owners who would "get away with" a slight overload like this depending on exactly how and where this would be used.