This is one of the most capable HD trucks of its time. Here's a breakdown of its outstanding features and lesser-known facts: POWERFUL ENGINE 6.7L Cummins Turbo Diesel I6 (370 hp 800 lb-ft torque) - Best for towing and long-term durability which can run over 500000 miles! EXCEPTIONAL TOWING & PAYLOAD CAPACITY It comes with trailer brake controller tow/haul mode and can tow up to 17980 lbs. DURABLE & WELL-BUILT -Fully boxed frame for better rigidity and strength. -Rear coil-spring suspension (instead of leaf springs) makes it the smoothest-riding heavy-duty truck in its class.