OEM KOMATSU 6D125-5 6D125-6 Excavator Engine Diesel Oil Pump | Partsdic®

KOMATSU 6D125-5 6D125-6 Excavator Engine Diesel Oil Pump | Partsdic®

The diesel oil pump in the Komatsu 6D125-5 and 6D125-6 engines plays a crucial role in maintaining the engine's performance and longevity.


It ensures that the engine components are well-lubricated, reducing friction and wear. Additionally, it helps in regulating the engine's temperature by carrying away excess heat generated during the combustion process.

Design and Construction:
The oil pump is typically a positive displacement pump, which means it delivers a consistent volume of oil for each rotation. It is typically mounted within the engine block, and its design includes a housing, a rotor, and an inlet and outlet. The rotor is usually driven by the engine's camshaft or another mechanical means.

Flow Rate and Pressure:
The oil pump in the Komatsu 6D125-5 and 6D125-6 engines is designed to provide a specific flow rate and pressure. These parameters are crucial for ensuring that all engine components receive an adequate supply of oil. The exact specifications for flow rate and pressure may vary depending on the specific application and model, but they are engineered to meet the engine's lubrication and cooling needs effectively.

Materials and Durability:
The materials used in the construction of the oil pump are selected for their durability and resistance to wear and corrosion.


The pump needs to withstand the demands of heavy machinery applications, including the challenging environments often encountered in construction and excavation work. Common materials include hardened steel for the housing and rotor and special coatings or treatments to enhance wear resistance.

Filtration:
Many oil pumps for modern diesel engines, including the Komatsu 6D125-5 and 6D125-6, have built-in filtration systems to ensure that the oil supplied to the engine is free from contaminants and debris. Clean oil is essential for preventing damage to engine components and maintaining optimal performance.

Mounting and Installation:
The oil pump is typically designed to be easily mounted and installed within the engine block, making it accessible for maintenance and replacement. Proper installation is critical to ensure the pump's efficient operation and longevity.

Maintenance and Service:
Regular maintenance and service are essential to keep the oil pump in peak condition. This includes changing the oil and oil filter at recommended intervals, inspecting for wear or damage, and addressing any issues promptly to prevent potential engine damage.

Compatibility:
It's important to ensure that the oil pump is compatible with the specific model and version of the Komatsu 6D125 engine, whether it's the 6D125-5 or 6D125-6. Compatibility ensures that the oil pump fits and functions correctly within the engine system.
Excavator Engine Diesel Oil Pump | Partsdic® KOMATSU 6D125-5 6D125-6
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