Komatsu 125 Rebuild Kits: Optimal Performance and Value

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Experience the ultimate in engine restoration with our high-quality Komatsu 125 Engine Rebuild Kits. Crafted with precision and expertise, these kits feature certified premium components that ensure optimal performance and durability for your Komatsu 125 engine. Whether you're addressing engine issues or proactively maintaining your Komatsu equipment, our rebuild kits offer a cost-effective solution backed by industry-leading quality standards.


The Komatsu 125 engine is a turbocharged, and aftercooled diesel engine commonly used in various Komatsu equipment, including excavators, bulldozers, and wheel loaders. Here are the specifications for the Komatsu 125 engine: - Displacement: 11.0 liters (671 cubic inches) - Configuration: Varies by Model - Aspiration: Turbocharged with an air-to-air aftercooler - Fuel System: Direct injection - Cooling System: Liquid-cooled - Bore x Stroke: 125 mm x 150 mm (4.92 inches x 5.91 inches) - Compression Ratio: 17.0:1 - Power Output: The power output of the 125 engine can vary depending on the specific model and application. However, typical power ratings for this engine range from approximately 300 horsepower (224 kW) to 400 horsepower (298 kW). - Torque: The torque output can also vary based on the equipment and application, but it typically ranges from around 1,300 Nm (959 lb-ft) to 1,700 Nm (1,254 lb-ft). - Emissions: The Komatsu 125 engine is designed to meet various emission standards, such as Tier 2 or Tier 3, depending on the specific model and market. Please note that the specifications mentioned above are general and can vary slightly depending on the specific version or model of the 125 engine used in different Komatsu equipment. For the most accurate and detailed information, I recommend referring to the official Komatsu documentation or contacting Komatsu directly for the specific model or application you are interested in.