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K5V140DT / K5V140DTP are 140 mL/rev variable axial piston pumps from Kawasaki's K5V series, upgraded from the K3V series. They share installation dimensions with K3V112DTP, support rated pressure of 34.3 MPa and maximum 39.2 MPa, and are designed for 25–30 t excavators and other medium-to-large construction machinery. These pumps deliver stable power and flow for high-pressure, heavy-load multi-function operations.
Key Features
1.Higher Power Density:
Retains semi-log swash plate design; power density is improved over K3V series of the same displacement. K5V140DTP features dual-pump series layout, eliminating the need for a power distributor, improving transmission efficiency, reducing weight, and saving installation space to meet compact system requirements of large machinery.
2.Efficient, Low Consumption & Strong Suction:
Spherical valve plate and optimized hydraulic balance ensure stable cylinder rotation and high efficiency at low pressure and speed. Maximum self-priming speed reaches 2,160 min⁻¹, reducing cavitation risk and providing stable oil supply under complex conditions.
3.Long Life & High Reliability:
Large-capacity main bearings with a plunger return mechanism that compensates for slipper wear reduce critical component wear. Over 25 years of mobile hydraulic experience ensure stable operation under high-pressure, heavy-load conditions, supporting high-torque applications.
4.Low Noise Design:
Optimized valve plate and reinforced housing reduce operational noise, improving the working environment.
5.Versatile Control Options:
Supports mechanical, hydraulic, and electric inputs for precise flow and pressure regulation, enabling fine control under complex operating conditions.
6.Flexible Structural Adaptation:
Multiple cylinder block rotation layouts, including series with PTO and parallel configurations, allow integration with different hydraulic architectures. K5V140DTP's dual-pump design meets higher flow requirements.
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Core Advantages
| Model | K5V140DTP |
Advantage | Details |
Upgraded Performance & Compatibility | Same installation dimensions as K3V112DTP for direct replacement and upgrade, minimizing modification costs. |
Energy Efficient | Variable displacement adjusts flow as needed, reducing wasted energy and heat, lowering fuel consumption, and cutting long-term operational costs. |
Wide Operating Range | Rated 34.3 MPa, maximum 39.2 MPa; suitable for excavators, cranes, concrete pumps, and other medium-to-large machinery with strong load fluctuation handling. |
Easy Maintenance | Mature series with abundant spare parts and widely available service expertise; strong contamination resistance; routine maintenance requires only oil cleanliness and filter checks. |
Precise Operation | Multiple control methods enable fine adjustment of actuator speed and force, improving operational accuracy and stability, particularly for complex tasks. |
Applications
Ideal for 25–30 t excavators (e.g., Doosan DH300-7, LiuGong 926), crawler drills, cranes, crushers, concrete pumps, and other mobile hydraulic equipment. Compatible with open-circuit systems, they deliver efficient power output and precise control during multi-function operations, making them a preferred upgrade choice for medium-to-large construction machinery hydraulic systems.