K3V140DT-9N39

The K3V140DT-1R2R-9N39 is an axial piston hydraulic pump manufactured by Kawasaki Heavy Industries. It is a common choice for main hydraulic pumps in excavators in the 14-ton to 16-ton size class, providing the power for various excavator functions like arm and bucket movement, track drive, blade control, and attachment operation.

Key Characteristics

Displacement 140 cubic centimeters per revolution (ccrev)

Control Type Dual flow path (DT) for independent control of two hydraulic circuits

Pressure Rating 900 bar (13,050 psi)

Applications

Excavators The K3V140DT-1R2R-9N39 is frequently used in excavators in the 14-ton to 16-ton size class, such as

Hyundai R140LC-7

Komatsu PC150LC-8

Doosan DX140LC-5

Hitachi ZX140-5

Other Hydraulic Machinery While primarily used in excavators, this pump may also be compatible with other hydraulically powered machinery like skid steers, wheel loaders, and agricultural tractors.

Maintenance

Regular maintenance is crucial for optimal performance and longevity of the hydraulic pump. Refer to the operator's manual for specific intervals on oil changes, filter replacements, and fluid level checks. Here are some general maintenance tips

Use high-quality hydraulic oil The recommended type and viscosity of hydraulic oil are specified in the operator's manual.

Change the oil and filter regularly Follow the recommended intervals for oil and filter changes to keep the hydraulic system clean and free of contaminants.

Check the fluid level regularly Check the hydraulic fluid level according to the markings on the reservoir to ensure it's within the appropriate range.

Inspect the pump for leaks and damage Regularly inspect the pump housing and surrounding components for leaks, loose connections, or visible damage. Address any issues promptly.

Replacement

If the hydraulic pump needs replacement, opt for a genuine Kawasaki K3V140DT-1R2R-9N39 pump or a high-quality equivalent from a reputable manufacturer. Non-genuine replacements may compromise performance, reliability, and safety. Consult a qualified technician for pump replacement, as it involves specialized tools and procedures.

Safety Precautions

Hydraulic systems operate at high pressures and can cause serious injuries if not handled properly. Always follow safety procedures when working on the hydraulic system

Depressurize the system before any maintenance or repairs.

Wear appropriate personal protective equipment (PPE) such as gloves, safety glasses, and sturdy footwear.

Consult qualified technicians for complex procedures.

By following these tips, you can maintain the K3V140DT-1R2R-9N39 hydraulic pump in your equipment and ensure its optimal performance and longevity.

Additional Resources

Hyundai R140LC-7 Operator's Manual The operator's manual for your specific excavator will provide detailed information on the hydraulic pump, including maintenance procedures and troubleshooting steps.

Online Parts Suppliers You can find online retailers offering spare parts for various equipment, including hydraulic pumps. Ensure you source from reputable suppliers.

I hope this information is helpful. Please let me know if you have any other questions.

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