What’s the best towing Heavy Duty Diesel pickup truck? Is it the 2015 Chevrolet Silverado 2500 with the 6.6-liter Duramax, the Ram 2500 with the 6.7-liter Cummins, or the Ford F-250 with the 6.7-liter Powerstroke? Check out another accurate, fun and informative TFLtruck video as we test to see how the updated Silverado is able to descend and climb a 6% grade with 10,000 lbs of trailer in tow.
