Cummins F3.8 and F4.5 structural engines feature a structural block and oil pan design, while the B6.7 uses a standard block and patented structural oil pan. All are engineered for high strength with minimal product weight for supreme engine and driveline durability. Cummins Performance Series technology means the F3.8 benefits from 33% more power and 31% more torque, while B6.7 has 30% higher torque than its predecessor.

All Performance Series engines meet EPA Tier 4 Final emissions standards.

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