4D106 Engine for komatsu 4D106 engine

Configuration

4-cylinder, in-line, turbocharged (or naturally aspirated by version), water-cooled diesel engine

Displacement

Approximately 5.3 liters (varies by configuration)

Power Output

60–110 kW (80–150 hp), depending on model and application

Emission Compliance

Available in configurations designed to meet:

• Regional off-road emissions regulations

• Industrial and construction equipment standards

Fuel Efficiency

Optimized combustion technology provides:

• Lower fuel consumption

• Reduced operating cost

• Improved thermal and working efficiency

Strong Torque Delivery

Engineered for demanding work environments:

• Excellent low-speed torque

• Stable output under continuous load

• Higher productivity for compact and mid-size machinery

Durable Construction and Reliability

• Reinforced block and crankshaft

• Heavy-duty pistons and bearings

• Long service life even in harsh operating environments

Low Noise and Smooth Operation

Precision-balanced rotating assembly ensures:

• Reduced mechanical vibration

• Lower operating noise

• Improved operator comfort and machine stability

Simple Maintenance and Service Support

• Easy-access layout for routine service

• Reliable mechanical structure

• Supported globally by Komatsu’s service and spare parts network