Available engine-balancer shafts for smoother engine operation (4.5L). Forged steel connecting rods with unique 45-degree design permit use of larger crankshaft, forged steel connecting rods for increased durability. Dynamically balanced crankshaft constructed of heattreated ductile iron for maximum strength. 500-hour oil change interval saves you money on oil, filters, and labor.
The 4-valve versions of our 4.5L engines have been designed with Tier 3/Stage III A compatibility in mind. The increased torque value of these engines lets your machine power through the tough spots, while the increased lowspeed torque improves load-starting capabilities in mobile applications.