Mercedes-Benz OM402 N Engine

Key Specifications

• Configuration: V8, 4-stroke, naturally aspirated diesel

• Displacement: 12.0 liters (11,946 cc)

• Power Output: 188–280 hp (depending on version)

• Torque: 800–1,100 Nm

• Aspiration: Naturally aspirated (“N” designation = no turbocharging)

• Fuel System: Direct injection diesel

• Cooling: Water-cooled

• Weight: Approx. 950–1,050 kg

Performance & Features

• Heavy-duty durability: Built to handle high loads and long operating hours

• Proven reliability: Widely used in trucks, buses, and off-road machinery worldwide

• Simple design: Naturally aspirated, reducing complexity and maintenance costs

• Strong low-end torque: Ideal for heavy transport and vocational applications

• Long service intervals: Engineered for extended uptime and reduced operating costs

Typical Applications

• Mercedes-Benz NG and SK trucks (long-haul and construction use)

• Heavy-duty buses and coaches

• Construction equipment (e.g., cranes, dump trucks, and mixers)

• Industrial and marine use in some configurations