This large displacement workhorse has the torque to handle big jobs – towing trailers, hauling heavy loads and other weighty tasks – while providing the power, strength and endurance truck owners have grown to expect.

• Single-piece rear oil seal helps reduce oil leaks
• Reduced weight turned-skirt hypereutectic strutless pistons reduce friction
• Heavy-duty nodular crankshaft has deep-rolled fillets for increased strength and durability ADD
• Steel camshaft and roller lifters on newer applications help reduce friction, improve wear resistance and increase low-end torque
• Priority main lubrication system keeps the bottom end lubed under tough duty