I may drive by in the fall and see what they'll do with mine. Will have close to 100k on mine by then.
got this from FTE
"Meet the Team Behind the 2015 Ford F-Series Super Duty Thread"
"Great questions. We've enhanced the torque converter to improve turbo response in line with the increased size of the turbo. On the new high pressure fuel pump, we increased the camstroke to pump more fuel, and that fuel is used to make additional power for our best in class ratings. On the exhaust brake, we increased engine exhaust braking horsepower. With the improvements, it's a lot easier to hold speed down a grade"
"Thanks for the question! 2015 F-Series Super Duty pickup trucks feature Dana Super 60 front axles. Our most capable Super Duty pickup, the F-450, uses a Dana S130 with 4.30 final drive ratio. F-350 (dual-rear wheel) uses a Dana M80 rear axle.
All single-rear wheel F-250 and F-350 rear axles are from Sterling with a 3.31 ring and pinion. The Power Stroke diesel is available with a 3.55 rear axle. F-350 dual-rear wheel has standard 3.73 rear axle or 4.30 with the max tow package."
"Thanks for asking! The 2015 F-Series Super is rated according to our internal tow testing standards. We have started to apply SAE’s J2807 tow testing standard to our all-new vehicles, such as the 2014 Ford Escape, 2014 Transit Connect and 2015 Ford F-150. Future all-new models will also comply with the standard, though at this time certain heavy-duty pickup trucks over thirteen thousand pounds gross vehicle weight rating are not currently included under SAE J2807."