The Doosan DX140 and Daewoo DH140 excavators hydraulic pump

The Doosan DX140 and Daewoo DH140 excavators, while similar due to Doosan acquiring Daewoo, likely utilize the same hydraulic pump model

Hydraulic Pump Model

Pump Kawasaki K3V112DTP (displacement 112 ccrev) axial piston pump. This pump is a common choice for excavators in this size class due to its ability to deliver sufficient flow and pressure for various excavator functions.

Verifying the Exact Pump Model

Here are ways to confirm the specific pump model for your excavator, even though it's likely the K3V112DTP

Operator's Manual Refer to the operator's manual for your Doosan DX140 or Daewoo DH140 excavator. It should list the exact hydraulic pump model number and specifications.

Parts Diagram or Decal The pump itself might have a data plate or decal with the model number.

Contacting Doosan or a Qualified Technician If unsure about the model number, contact your local Doosan dealer or a qualified technician specializing in DoosanDaewoo excavators. They can identify the specific pump based on your excavator information (model year, serial number, etc.).

Additional Information

Functions Powered by the Hydraulic Pump The hydraulic pump is the heart of the excavator's hydraulic system. It converts engine power into high-pressure hydraulic fluid that gets distributed throughout the system to power various functions like

Arm and bucket movement

Track drive

Blade control (if equipped)

Attachment operation (breakers, augers, etc.)

Doosan Parts Website or Authorized Distributors You can find information about Doosan parts through their official website or authorized distributors. These resources might have parts diagrams or searchability to help identify the exact pump for your excavator.

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.

Replacement

Genuine or High-Quality Equivalent When replacing the pump, consider a genuine Kawasaki K3V112DTP pump or a high-quality equivalent from a reputable manufacturer. Non-genuine replacements can compromise performance, reliability, and safety.

Qualified Technician 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 PPE (gloves, safety glasses, sturdy footwear).

Consult qualified technicians for complex procedures.

By following these tips, you should be able to identify and maintain the hydraulic pump in your Doosan DX140 or Daewoo DH140 excavator.

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