2017 F-450 Super Ike Gaunlet

jims1 wrote:
I would like to see a 5th wheel at 20000lbs behind it. Something with 60-70sqft of frontal area. Not knocking it, but test it for the RV user.

If the hill averages a. 7% grade the test would have required lifting about 38000 lbs up about 2900 ft of elevation gain in 11 1/2 minutes. That alone required 290 rear wheel HP. In addition the truck required HP to overcome rolling and wind resistance which at 40 mph would likely be another 50 HP or so. So in order to accomplish what it did it would have been putting about 340 to the pavement for the entire 11 1/2 minutes. At 2500 rpm the crankshaft HP of that Powerstroke should be about 390 HP.

Pulling a 20,000 lb RV up the hill at the same speed would have required about 270 rear wheel HP.