Kawasaki K3V112DTP-9TEL-V Hydraulic Pump for excavator spare parts

Short Description:

The Kawasaki K3V112DTP-9TEL-V is a high-precision original positive-control dual piston hydraulic pump, tailor-made for mainstream 20-ton construction excavator hydraulic systems. Adopting Kawasaki’s upgraded K3 series variable displacement pump technology, this unit features customized internal calibration parameters, perfectly matching the power output and torque characteristics of 20-ton-class excavator engines. Serving as the core power component of the entire hydraulic system, it supplies independent dual-loop hydraulic power for all working mechanisms including boom lifting, arm telescoping, bucket excavation, traveling and slewing. Designed for complex and harsh construction scenarios such as heavy-load earth moving, continuous rock excavation and frequent load switching, the pump boasts rapid response, coordinated multi-action linkage, stable pressure output and low thermal attenuation, delivering consistent and reliable operating efficiency for long-duration equipment operation.

Product Detail

Product Tags

description

The K3V112DTP-9TEL-V hydraulic pump adopts advanced positive flow active matching control technology, which differs greatly from traditional passive negative flow pumps. The exclusive 9TEL-V customized valve group can real-time monitor operating signals and on-site load fluctuations, dynamically adjust pump displacement and synchronize with main valve flow volume, realizing precise pump-valve collaborative operation. This optimization effectively eliminates invalid power consumption, improves energy utilization rate and significantly enhances operating fluency. The pump body is integrally cast with high-rigidity steel, equipped with ultra-precision matched plunger components and anti-wear hardened valve plates, paired with new high-temperature and pressure resistant composite sealing accessories. Each unit undergoes strict factory durability tests, impact resistance tests and extreme environment simulation tests, adapting to long-term high-vibration, dusty and high-temperature construction sites. Compared with universal uncalibrated replacement pumps, the 9TEL-V customized version features exclusive parameter tuning, faster dynamic response and smoother compound action, effectively solving common industrial defects including insufficient excavation force, delayed operation, system overheating and energy waste.

product parameters

Brand: Kawasaki (Genuine Original)
Model: K3V112DTP-9TEL-V
Product Name: Positive Flow Control Dual Variable Piston Main Hydraulic Pump Assembly
Applicable Equipment: 20-ton mainstream domestic construction excavators (Sany, XCMG, Liugong and other mainstream models)
Structural Type: Axial Variable Displacement Dual Piston Pump (Positive Flow Control)
Core Structure: Custom 9TEL-V control valve assembly, real-time positive flow induction module, dual-pump swashplate variable system, high-precision plunger matching group, wear-resistant alloy valve plate, built-in overload pressure protection valve, multi-layer composite high-pressure sealing system, integral rigid cast steel pump housing
Main Material: High-strength cast steel shell, wear-resistant alloy plunger pair, impact-resistant thickened valve plate, high-temperature aging-resistant sealing parts, precision hydraulic control components
Core Function: Dual independent hydraulic circuit power output, positive flow intelligent dynamic adjustment, engine power adaptive matching, providing stable and balanced power support for full hydraulic execution systems to realize efficient and coordinated multi-action operation
Working Characteristics: Sensitive flow dynamic response, accurate flow proportional distribution, low idle power loss, low thermal generation, reliable pressure retention, minimal incremental internal leakage, excellent structural fatigue resistance
Working Condition Adaptation: Suitable for heavy-load excavation, rock crushing, frequent start-stop switching, impact load operation and high-temperature dusty open-air construction environments
Matching Parts: Main control valve assembly, travel and slewing hydraulic motor, hydraulic oil tank, return oil filter, high-pressure hydraulic hose, engine flywheel connecting end

advantages

• Adopts exclusive 9TEL-V customized control program and positive flow active matching technology, achieving synchronous linkage of pump and valve with higher operating precision and response speed than traditional negative flow hydraulic systems.
• Equipped with intelligent dynamic flow distribution logic, which automatically adjusts output according to real-time load changes, effectively reducing invalid energy consumption under no-load and light-load conditions and improving overall fuel economy of the equipment.
• The dual-pump independent variable structure realizes integrated and smooth operation of excavation, lifting, walking and slewing actions, eliminating operation jitter, response delay and action stagnation.
• Built-in multi-stage pressure buffer protection structure can absorb instantaneous peak impact pressure during operation, avoid overload damage to internal precision components, and effectively extend the overall service life of the hydraulic pump.
• Internal core components are treated with overall hardening and wear resistance, which can effectively suppress performance degradation caused by long-term cyclic heavy-load operation and maintain stable power output for a long time.
• Upgraded new composite sealing structure has strong resistance to high-temperature hydraulic oil corrosion and aging, effectively preventing common faults such as external oil leakage and system pressure relief failure.
• Standard original installation dimensions are adopted, supporting on-site non-destructive direct replacement without secondary modification and debugging, which greatly reduces equipment maintenance time and maintenance cost.

maintenance & replacement tips

• Conduct regular visual and manual inspections on pump body structure, sealing surfaces and high-pressure pipeline joints to eliminate hidden oil leakage risks caused by long-term operational vibration and mechanical impact.
• Follow the official equipment maintenance cycle to replace hydraulic oil and filter elements, prevent solid particle impurities from entering the pump body and scratching precision matching friction pairs, and maintain internal hydraulic cleanliness.
• Keep the hydraulic oil medium clean and qualified to avoid valve group jamming, signal distortion and positive flow control failure caused by oil deterioration and contamination.
• Regularly check the fastening degree of the flywheel connection bolts to prevent abnormal vibration, operating noise and shaft wear caused by loose assembly.
• Avoid long-duration ultra-heavy load operation and frequent impact excavation, so as to prevent premature fatigue damage and functional failure of the internal variable mechanism.
• When the equipment has typical faults such as continuous pressure drop, insufficient excavation power, serious internal leakage and unsmooth compound actions, replace with genuine K3V112DTP-9TEL-V hydraulic pump in time to restore complete hydraulic performance.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.

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our warehouse

Pack and ship

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