K3V140DT-9C12

The K3V140DT-9C12 is an axial piston hydraulic pump manufactured by Kawasaki Heavy Industries. It's commonly used as the main hydraulic pump in excavators in the 25-ton to 30-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 Single flow path (S) for a single hydraulic circuit

Pressure Rating High-pressure rating (specific value might vary depending on the exact model variant, but likely around 35 MPa or 5076 psi)

Potential Applications

The K3V140DT-9C12 hydraulic pump is frequently used in excavator models of various brands and models, including

Hyundai R250LC-7 (sometimes alongside the K5V140DTH for larger R250LC-9 variants)

Komatsu PC240LC-8

Doosan DX250LC-5

Hitachi ZX240LC-5

Other excavators in the 25-ton to 30-ton size class

Finding Specific Applications

To confirm if the K3V140DT-9C12 is compatible with your specific excavator, consult your excavator's operator's manual or contact a dealership for verification. The manual will provide the exact model of the hydraulic pump used in your machine.

Maintenance and Replacement

Regular maintenance is crucial for the optimal performance and longevity of the K3V140DT-9C12 hydraulic pump. Here are some general maintenance tips

Refer to the operator's manual It specifies the recommended type and viscosity of hydraulic oil, oil change intervals, filter replacement schedules, and fluid level checks.

Use high-quality hydraulic oil Following the manufacturer's recommendations ensures proper lubrication and protects the pump components.

Change the oil and filter regularly Clean oil and filters prevent contamination and maintain optimal performance.

Inspect the pump for leaks and damage Look for leaks, loose connections, or visible damage on the pump housing and surrounding components. Address any issues promptly to avoid further problems.

If the hydraulic pump needs replacement, opt for a genuine  K3V140DT-9C12 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-9C12 hydraulic pump in your excavator and ensure its optimal performance and longevity.

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