OEM Hydraulic Pump

The OEM Hydraulic Pump is used as a replacement main pump for compatible DX300 excavators. It is commonly referenced with part numbers K1006550A and 400914-00393A, and the pump configuration is associated with K5V140DTP.

For an excavator working on earthmoving, loading or general construction jobs, the main pump is one of the key components in the hydraulic system. When the pump becomes worn, the machine may gradually lose hydraulic response or show a noticeable reduction in working efficiency. In this situation, replacing the pump can be a more practical solution than continuing to operate with a worn unit.

This pump is intended for customers who need a replacement for an existing DX300 hydraulic pump. The part number on the original pump is the most useful starting point when checking compatibility. For example, K1006550A or 400914-00393A can be compared with the number on the pump already installed on the machine.

The OEM Hydraulic Pump can be supplied for excavator maintenance and hydraulic system repair. Before placing an order, it is recommended to provide the excavator model, original pump number and a photo of the pump nameplate. This information helps confirm the correct version, especially when the same excavator series has different configurations.

For DX300 and DX300LC applications, related part numbers may also be encountered during replacement, including K1006550, K1006550B and K1006550C. These numbers should be checked against the original component rather than treated as interchangeable without confirmation.

• Typical application

     DX300 / DX300LC excavator hydraulic system

• Reference part numbers

     K1006550A, 400914-00393A

• Pump type

     K5V140DTP

If you are replacing a worn main pump, providing the original part number and machine information before purchase is recommended. This makes it easier to confirm the pump version and avoid ordering a component that does not match the existing hydraulic system.

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