Less than 2000 miles on it but like it so far. Mine is pretty basic being the STX model....crew cab, short box, 4.30 gearing, GCVW of 26,000 lbs and 4 wheel drive. It has the 10 speed. Shifting is smooth. Pulls the 25 easy but with the 15,000 lbs towing capacity it should. Payload is 3,100 lbs...