Unquestionable confidence, power and durability come standard with this best-selling, medium-duty engine.
200-325 HP | 520-750 LB.-FT. TORQUE
Proven performance brings best-in-class power density for outstanding fuel economy, reliability and longevity.
260-380 HP | 720-1,250 LB.-FT. TORQUE
Legendary big bore performance in a highly adaptable and fuel-efficient configuration.
400-600 HP | 1,450-2,050 LB-FT. TORQUE
Industry-leading proprietary design is four to six times stronger than previous designs for improved durability.
400 – 565 HP | 1,450 – 2,050 lb.-ft. torque
Traditional big bore features bring performance and durability to more demanding, medium-duty applications.
300-330 HP | 860-950 LB.-FT. TORQUE
Heavyweight power comes to the mid-range market in this durable, yet weight-saving smaller package.
310-350 HP | 1,050-1,150 LB.-FT. TORQUE
Purpose-built for heavy duty International trucks to deliver exceptional fuel economy, responsiveness and strength.
410-475 HP | 1,450-1,700 LB-FT. TORQUE