ranroswang@hksparkling.com 
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9271079 Main Hydraulic Pump for Hitachi ZX140W-3 / ZX170W-3 / ZX160LC-3 — Reliable OEM Fit and Performance
- How to choose the right main hydraulic pump for your Hitachi ZX-series excavator?
- What model compatibility should I verify before ordering?
- How do I compare pump specifications and nominal pressure requirements?
- Why does the main hydraulic pump fail and how can I prevent premature failure?
- What are the most common causes of main hydraulic pump failure?
- How often should hydraulic oil and filters be serviced to protect the pump?
- How to install and test a replacement main hydraulic pump without risking damage?
- What preparatory steps are required before pump installation?
- How do I perform commissioning tests after installing a new pump?
- Can a remanufactured 9271079 main hydraulic pump match OEM performance and what should I expect?
- What quality checks ensure remanufactured pumps meet performance expectations?
- How does buying a SPARKLING 9271079 pump reduce downtime and total cost of ownership?
- Product features and benefits
- SPARKLING MACHINERY—company and support
- How to get technical help or order the correct 9271079 pump today?
- What information should I provide when requesting a quote or technical support?
- How can I contact SPARKLING MACHINERY to place an order or request documentation?
- Additional authoritative references
- Frequently Asked Questions
Looking for a dependable replacement main hydraulic pump for your Hitachi ZX140W-3, ZX170W-3, or ZX160LC-3? The 9271079 main hydraulic pump from SPARKLING MACHINERY is engineered for direct-fit installation, stable pressure output, and proven reliability under heavy-duty excavation cycles. This product page consolidates compatibility, installation guidance, failure troubleshooting, and performance expectations to help fleet managers, mechanics, and parts buyers make a confident purchasing decision.
How to choose the right main hydraulic pump for your Hitachi ZX-series excavator?
What model compatibility should I verify before ordering?
Confirm the machine model and serial range: 9271079 is specified for Hitachi ZX140W-3, ZX170W-3, and ZX160LC-3 chassis families; always cross-check the OEM part number stamped on the existing pump housing and the machine serial plate. If the OEM pump code or mating flange differs, contact technical support to avoid fitment issues. Using the exact part number avoids mismatched shaft splines, ports, or mounting bolt patterns.
How do I compare pump specifications and nominal pressure requirements?
Match displacement (cc/rev), maximum system pressure, and shaft rotation direction to your hydraulic circuit. The correct main hydraulic pump must meet your excavator’s peak pressure and flow needs to maintain boom, arm, and travel performance. For reference on industry hydraulic parameters and safety guidelines, consult ISO hydraulic system standards such as ISO 4413:2010 for hydraulic power systems.
Why does the main hydraulic pump fail and how can I prevent premature failure?
What are the most common causes of main hydraulic pump failure?
Pump failures usually stem from contaminated hydraulic fluid, excessive system pressure spikes, cavitation, or inadequate cooling. Contaminants abrade internal components, while air ingestion and cavitation create pitting that reduces volumetric efficiency. Implementing proper filtration and monitoring pressure spikes are essential to prevent these failure modes.
How often should hydraulic oil and filters be serviced to protect the pump?
Change hydraulic oil and primary filters according to machine OEM guidance—commonly every 1,000 operating hours or annually for heavy-use fleets—and replace secondary filters sooner if contamination trends appear. Regular oil sampling and particle counting extend pump life and reduce rebuild frequency.
How to install and test a replacement main hydraulic pump without risking damage?
What preparatory steps are required before pump installation?
Drain lines and cap all openings to prevent contamination, verify mating surfaces and shaft keys, and pre-fill the replacement pump with clean hydraulic fluid per OEM recommendations. Use torque-controlled fasteners for mounting bolts and ensure correct coupling alignment to prevent misload and premature wear.
How do I perform commissioning tests after installing a new pump?
Bleed trapped air, run the engine at idle to circulate fluid, then incrementally raise system pressure while monitoring for leaks, unusual noises, and stable flow. Use pressure gauges at both work and pilot circuits and confirm stable operation under typical load cycles. Document baseline pressures and flows for future diagnostics.
Can a remanufactured 9271079 main hydraulic pump match OEM performance and what should I expect?
What quality checks ensure remanufactured pumps meet performance expectations?
Top-quality remanufactured pumps undergo disassembly, ultrasonic cleaning, measurement against OEM tolerances, replacement of high-wear parts (seals, bearings, pistons), and flow/pressure bench testing. Ask for test reports and traceable serial numbers to validate remanufacture quality.
How does buying a SPARKLING 9271079 pump reduce downtime and total cost of ownership?
SPARKLING MACHINERY provides direct-fit 9271079 pumps with strict quality control and a global spare parts network to minimize lead time. Reliable replacement pumps restore hydraulic performance quickly, reduce labor hours spent troubleshooting, and help fleets avoid extended machine idle time that can cost hundreds of dollars per day in lost productivity.
Product features and benefits
The 9271079 main hydraulic pump for Hitachi ZX140W-3 ZX170W-3 ZX160LC-3 delivers precise volumetric flow, hardened internal components for wear resistance, high-quality seals to prevent external leakage, and bench-tested pressure stability. Each pump is inspected for shaft integrity, port alignment, and volumetric efficiency to ensure return-to-service confidence.
SPARKLING MACHINERY—company and support
SPARKLING MACHINERY, founded in 2013, specializes in high-quality excavator parts and offers technical consultation, customized solutions, and global after-sales service. We supply hydraulic components compatible with top brands and provide documentation and testing results to support fleet maintenance programs. Learn more about excavator fundamentals on the Excavator reference page and hydraulic pump basics on Hydraulic pump fundamentals for further reading.
How to get technical help or order the correct 9271079 pump today?
What information should I provide when requesting a quote or technical support?
Provide machine model, serial number, existing pump part number (if visible), operating hours, and symptom description. Photos of the pump mounting and porting expedite fitment confirmation and reduce ordering errors.
How can I contact SPARKLING MACHINERY to place an order or request documentation?
Contact our parts team at ranroswang@hksparkling.com for fast quotes, lead times, and installation guidance. For online orders and full product specs visit the product page for the 9271079 main hydraulic pump for Hitachi ZX140W-3 ZX170W-3 ZX160LC-3.
Additional authoritative references
For system design and safety guidelines reference ISO 4413:2010, and for industry best practices on pump selection and maintenance visit the Hydraulic Institute at Pumps & Systems (Hydraulic Institute).
Frequently Asked Questions
What is the exact part number for this main hydraulic pump?
The exact part number is 9271079. This pump is manufactured and supplied by SPARKLING MACHINERY to fit Hitachi ZX140W-3, ZX170W-3, and ZX160LC-3 models.
How often should I change hydraulic oil to protect the main pump?
Change hydraulic oil approximately every 1,000 operating hours or at least annually. Monitor oil cleanliness with particle counts and adjust service intervals for heavy-duty or dusty applications.
How long does installation and commissioning of a replacement pump typically take?
A professional technician can typically complete installation and basic commissioning in 3–6 hours. Complex systems or additional hydraulic line work can increase total downtime.
Can this pump meet OEM pressure requirements for Hitachi ZX160LC-3?
Yes, the 9271079 pump is designed to match OEM flow and pressure profiles for compatible Hitachi ZX series models; always verify machine-specific pressure settings in the operator manual.
Is there a warranty or test report included with the pump?
Direct purchases include a factory inspection report and a standard warranty; contact SPARKLING MACHINERY for specific warranty duration and terms. Test reports document bench pressure and flow performance.
How can I verify pump fitment if the existing pump label is missing?
Measure shaft splines, mounting bolt pattern, and port locations and send photos to parts support; SPARKLING can match dimensional data to confirm compatibility before shipping.
For personalized assistance or to order the 9271079 main hydraulic pump for Hitachi ZX140W-3 / ZX170W-3 / ZX160LC-3, contact SPARKLING MACHINERY at ranroswang@hksparkling.com or visit our product page for specifications and ordering: 9271079 main hydraulic pump for Hitachi ZX140W-3 ZX170W-3 ZX160LC-3.
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faq
What types of excavator parts do you manufacture?
We manufacture a wide range of excavator parts, including hydraulic components, undercarriage parts, engine parts, wear parts, and more. Our products are designed to fit a variety of excavator models and are built to meet the highest quality standards.
How do you ensure the quality of your parts?
We follow strict quality control procedures throughout the manufacturing process. Our parts are tested for durability, performance, and precision to ensure they meet industry standards and exceed customer expectations.
What is the lead time for receiving excavator parts?
Our typical lead time depends on the complexity and quantity of the order. For standard parts, delivery usually takes between 7 to 14 days. For custom orders, the lead time may vary, but we always strive to ensure timely delivery.
Do you offer customized parts?
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Yes, we offer tailored solutions to meet specific customer requirements. Whether you need custom dimensions or specialized features, we can design and produce parts that perfectly match your excavator’s needs.
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Can I get technical support for installing your parts?
Absolutely. We provide technical support and guidance for the installation and maintenance of our parts. Our team is available to assist you with any questions or concerns to ensure proper installation and optimal performance.
DEUTZ TCD2015V08 Diesel Engine | 15.9L V8 Turbocharged Industrial Motor
The DEUTZ TCD2015V08 represents the pinnacle of DEUTZ’s large-engine technology for mobile machinery. The V8 architecture provides a significant power advantage while maintaining a shorter longitudinal profile compared to inline engines of similar displacement.
Equipped with the EMR (Electronic Motor Regulator) and a high-pressure injection system, the TCD2015V08 delivers lightning-fast load response and immense torque. It is specifically designed to withstand the structural stresses of 24-hour mining and heavy earthmoving operations.
DEUTZ TCD2013V06 Diesel Engine | 11.9L V6 Turbocharged Industrial Motor
The DEUTZ TCD2015V06 is a powerhouse in the 12-liter class. Its V6 design allows for a significantly shorter engine length compared to inline engines, making it an excellent fit for machines with tight engine compartments. Utilizing the DEUTZ Multi-Parallel Injection system (MVS) and electronic engine control (EMR), it provides a perfect balance of high torque and low fuel consumption.
Built to meet Tier 3 / Stage IIIA emission standards, the TCD2015V06 is renowned for its reliability in extreme conditions, featuring individual cylinder heads and a robust crankcase designed for high-hour duty cycles.
Volvo D8K Diesel Engine | 7.7L 6-Cylinder Euro VI Industrial & Truck Motor
The Volvo D8K is the heart of Volvo’s modern medium-duty range. By increasing displacement to 7.7 liters, Volvo has achieved a engine that is both more powerful and more fuel-efficient than its predecessors.
The standout feature of the D8K is its Variable Geometry Turbocharger (VGT), which provides instant throttle response and high torque across a very wide rev range. This makes it the ideal power plant for urban distribution trucks (Volvo FE/FL), buses, and high-production construction machinery that requires constant power without high fuel consumption.
DEUTZ TCD2013L064V Diesel Engine | 7.15L 6-Cylinder 4-Valve Common Rail Motor
The DEUTZ TCD2013L064V is a water-cooled, inline engine that combines mechanical durability with sophisticated electronic control. The integration of the 4-valve technology allows for a more centered injector position, leading to optimized combustion and higher peak torque.
This engine is a power-density leader in the 7-liter class, making it ideal for large excavators, mobile cranes, and agricultural harvesters that require a compact yet incredibly powerful prime mover.
Contact us
Email: ranroswang@hksparkling.com
Wechat: +86 136 0901 0879
Skype: foreverlucia1
WhatsApp: +86 136 0901 0879
Address: No. 514-515, Hulin Road, Tianhe District, Guangzhou, China.
Sparkling Machinery Co.,Ltd
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Whatsapp: +8613609010879