Komatsu S4D105 Engine Long warranty

The Komatsu S4D105 engine is a diesel engine commonly used in Komatsu's mid-sized construction equipment. It's known for its reliability, durability, and efficient performance.

Key Characteristics:

Mid-sized engine:Designed for equipment like excavators, loaders, and backhoe loaders.

Reliability and durability:Built to withstand demanding work conditions.

Efficient performance:Offers a good balance of power and fuel economy.

Emissions compliance:Meets environmental regulations.

Common Applications:

Komatsu excavators:Models like PC120, PC130, and similar sizes.

Other construction equipment Loaders, backhoe loaders, and other machinery in the same class.

Maintenance and Care:

Proper maintenance is crucial for the longevity of any engine. Here are some essential tips for maintaining your S4D105:

Regular oil changes:Use the recommended oil type and change it according to the service manual.

Filter replacements:Replace air, fuel, and oil filters as scheduled.

Coolant checks:Monitor coolant levels and condition.

Engine inspections:Regularly inspect for leaks, hoses, belts, and other components.

Overheating prevention:Avoid overloading the engine and ensure proper cooling system function.

Common Issues and Troubleshooting:

While the S4D105 is generally reliable, issues can arise. Some common problems include:

Engine won't start:Check fuel supply, battery, starter, and ignition system.

Lack of power:Inspect fuel system, air filter, and turbocharger.

Excessive smoke:Could indicate issues with fuel injection, combustion, or engine wear.

Overheating:Check coolant levels, thermostat, radiator, and water pump.

If you're experiencing specific problems with your S4D105 engine, please provide more details so I can offer tailored advice.

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KELUO manufactures  air-cooled and water-cooled engines and engine accessories, KELUO also manufactures excavator main pumps, we provide power for excavators.