“Komatsu S4K Diesel Engine

The S4K engine is a high-performance diesel engine mainly used in small heavy machinery and engineering equipment. Below is a detailed description:

1. Main Features:

Type: In-line four-cylinder four-stroke diesel engine

Displacement: Approximately 3.6 liters

Bore and Stroke: Cylinder bore 100 mm, piston stroke 110 mm

Maximum Power: Typically 75 to 100 horsepower (approximately 56 to 75 kW) depending on the setting and application.

Maximum Torque: Up to 320 Nm.

2. Design Features:

Turbocharging: Equipped with a turbocharger to improve intake efficiency and increase output power.

High-pressure injection system: Optimizes fuel injection, improves combustion efficiency, and reduces emissions and fuel consumption.

Compact structure: Lightweight and efficient, suitable for equipment with limited space.

3. Performance advantages:

Powerful power: Provides good power output and is suitable for various working conditions.

Fuel economy: Efficient combustion ensures low fuel consumption and reduces operating costs.

Durability: Robust design adaptable to high-intensity working environments, with good anti-wear performance.

4. Applications:
Small heavy equipment: Such as small excavators, loaders and agricultural machinery, etc.
5. Maintenance and care:
Regular oil and filter changes: Keep the lubrication system in good condition and prolong the service life of the engine.

Inspect the cooling system: Ensure that the coolant is at a normal level to prevent overheating.
Fuel system maintenance: Check the injectors regularly to ensure the efficient operation of the system.

Summary:
The S4K engine unit has become an ideal power choice for small heavy equipment due to its excellent power output, good fuel economy and excellent durability, adapting to various harsh working conditions and ensuring efficient and stable operation.