ranroswang@hksparkling.com 
+86 138 2341 8469
9271079 Main Hydraulic Pump for Hitachi ZX140W-3 ZX170W-3 & ZX160LC-3
The 9271079 Main Pump is the heart of the hydraulic system for Hitachi ZAXIS-3 series excavators. Compatible with both Wheeled (ZX140W/145W/170W) and Crawler (ZX160LC) models, this axial piston pump provides the high-pressure oil flow necessary for smooth boom movement, powerful digging, and precise travel control.
Dear Valued Partners,
Thank you for choosing SPARKLING MACHINERY, your professional supplier for construction machinery brake and transmission parts.
We proudly present the 9271079 Main Hydraulic Pump, specially engineered for ZX140W-3, ZX170W-3 wheeled and ZX160LC-3 crawler excavators. This pump directly determines your machine’s operating speed, lifting power and overall efficiency.
The SPARKLING MACHINERY NEW 9271079 Main Hydraulic Pump Photo:
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Precision Flow Control: Features advanced swashplate technology for sensitive response and reduced power loss.
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Heavy-Duty Construction: Forged steel internal components and a reinforced cast-iron housing for maximum service life.
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Optimized Efficiency: Minimizes internal leakage, ensuring higher breakout force and lower fuel consumption for your ZAXIS-3 machine.
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Wide Compatibility: Seamlessly fits both wheeled and crawler Hitachi models, simplifying fleet maintenance.
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Tested Reliability: Each unit is 100% flow and pressure tested on a professional hydraulic test bench before dispatch.
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- Related Parts for Hitachi ZAXIS-3 Series：
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| Category | Description | Part Number |
| Hydraulic | Main Pump Seal Kit | 9271079SK |
| Engine | Isuzu 4JJ1 Engine Overhaul Kit | 8-98008-397-0 |
| Filtration | Pilot Fuel Filter | 4642641 |
| Electrical | Main Pump Solenoid Valve | 4614911 |
| Cooling | Hydraulic Oil Cooler | 4652641 |
Q&A
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Q1: How do I know if this pump fits my specific Hitachi model?
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A: This pump is designed for the ZAXIS-3 series. Please provide your Machine Serial Number (PIN), and our technicians will verify the 9271079 part number compatibility for you.
Q2: Is this a genuine Hitachi pump or a replacement?
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A: We offer both Original Hitachi (Genuine) and High-Quality OEM-Spec replacements. Both options come with a full performance guarantee and warranty.
Q3: Does the pump come pre-filled with oil?
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A: No, the pump is shipped dry to comply with international shipping safety. You must fill the pump case with clean hydraulic oil before starting the engine to prevent damage.
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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation
🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.
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