12V140E-3 engine for komatsu 12V140E-3 engine

Configuration

12-cylinder, V-type, turbocharged, water-cooled diesel engine

Displacement

Approximately 27–30 liters (varies by configuration)

Power Output

400–650 kW (535–870 hp), depending on tuning and application

Emission Compliance

Available in configurations meeting:

• Industrial off-road emission standards

• Marine emission regulations

• High-output generator system requirements

High Fuel Efficiency

Komatsu’s optimized combustion and turbocharging systems ensure:

• Improved thermal efficiency

• Lower fuel consumption

• Reduced operating cost over long service life

Exceptional Torque and Heavy-Duty Performance

Engineered for industrial and mining environments:

• Excellent low-end torque

• Stable output under continuous high load

• Enhanced productivity for large excavation and transportation machinery

Robust Construction and Longevity

• Heavy-duty crankshaft, connecting rods, and reinforced engine block

• Suitable for continuous operation in harsh environments

• Designed for long service intervals and minimal downtime

Smooth Operation with Low Vibration

Precision internal balancing provides:

• Reduced vibration

• Lower mechanical noise

• Improved operator comfort and equipment stability

Ease of Service and Support

• Straightforward mechanical design

• Convenient maintenance access points

• Supported by Komatsu’s global parts and service network