If you?re into heavy duty hauling? this is your year. All three domestic truck makers are rolling out new Heavy Duty pickups. Ram is staking its claim for HD superiority by being the first stock pickup to deliver 1000 lb-ft of mountain moving torque from its new 400-horsepower 6.7-liter Cummins High Output I-6 Turbo Diesel. It?s the brawniest of th...