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BELPARTS MACHINERY LIMITED

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China Hitachi ZX670LC-5B ZX870LC-5B ZX670LCH-5B Main Hydraulic Pump Genuine HPK300AS
China Hitachi ZX670LC-5B ZX870LC-5B ZX670LCH-5B Main Hydraulic Pump Genuine HPK300AS

  1. China Hitachi ZX670LC-5B ZX870LC-5B ZX670LCH-5B Main Hydraulic Pump Genuine HPK300AS
  2. China Hitachi ZX670LC-5B ZX870LC-5B ZX670LCH-5B Main Hydraulic Pump Genuine HPK300AS

Hitachi ZX670LC-5B ZX870LC-5B ZX670LCH-5B Main Hydraulic Pump Genuine HPK300AS

  1. MOQ: 1PCS
  2. Price: Negotiated price
  3. Get Latest Price
Appliion Mini Excavator
Certifiion ISO9001 / 2006/42/EC
Type HPK300AS-14KB
Part name Hydraulic Piston pump
Payment Terms T/T,trade assurance,PayPal,L/C,D/P,D/A,Western Union,
Model ZX670LC-5B ZX870LC-5B ZX670LCH-5B
Shipment Sea / Air / Express DHL FEDEX UPS
Supply Ability 100 PCS / Months
Quality OEM
Delivery Time 1~5 days
Parts number 9313589 9298854
Packaging Details Wooden Case Packing
Warranty 12 Months
Model Number ZX670LC-5B ZX870LC-5B ZX670LCH-5B
Brand Name Belparts
Place of Origin Japan

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  1. Product Details
  2. Company Details

Product Specification

Appliion Mini Excavator Certifiion ISO9001 / 2006/42/EC
Type HPK300AS-14KB Part name Hydraulic Piston pump
Payment Terms T/T,trade assurance,PayPal,L/C,D/P,D/A,Western Union, Model ZX670LC-5B ZX870LC-5B ZX670LCH-5B
Shipment Sea / Air / Express DHL FEDEX UPS Supply Ability 100 PCS / Months
Quality OEM Delivery Time 1~5 days
Parts number 9313589 9298854 Packaging Details Wooden Case Packing
Warranty 12 Months Model Number ZX670LC-5B ZX870LC-5B ZX670LCH-5B
Brand Name Belparts Place of Origin Japan
High Light Hitachi excavator hydraulic pumpZX670LC-5B main hydraulic pumpGenuine HPK300AS-14KB pump
Hitachi ZX670LC-5B / ZX670LCH-5B / ZX870LC-5B Main Hydraulic Pump

Genuine HPK300AS-14KB | OEM PN: 9313589, 9298854 | Genuine / Refurbished / Aftermarket New | BELPARTS Heavy Excavator Parts

1. Basic Information
  • Part Name: Tandem Variable Displacement Axial Piston Main Pump with Integrated Pilot Gear Pump, Model HPK300AS-14KB (Genuine OEM Specifiion)
  • Official Genuine Part Numbers:
    Primary OEM Codes: 9313589, 9298854
    Cross Interchange PN: YB60000238, YB60000244, YB60000246, 9298855
    Internal Pump Model: HPK300AS-14KB
  • Compatible Large Mining Excavator Models:
    Hitachi ZX670LC-5B (Standard Long Undercarriage)
    Hitachi ZX670LCH-5B (Heavy High-Lift Configuration)
    Hitachi ZX870LC-5B (Long Chassis Large Excavator)
    Also fully interchangeable with ZX670LCR-5B, ZX870LCH-5B, ZX870LCR-5B
  • Available Conditions:
    ✅ Genuine Original Factory New
    ✅ Professionally Refurbished (Full Internal Wear Parts Replacement & Bench Tested)
    ✅ Premium High-Quality Aftermarket New
  • Warranty Policy:
    12 months warranty for Genuine & Refurbished pumps; 6–12 months for aftermarket assemblies
  • Net Weight: Approx. 410 kg
  • Stock Status: In stock, shipment arranged within 3–7 working days
2. Key Features
  • Exact genuine Hitachi HPK300AS-14KB structure, perfectly matched to HIOS IIIB hydraulic control system & Isuzu 6WG1 engine power curve for Dash-5B generation heavy excavators
  • Equipped with electronic proportional displacement regulator, combined load sensing + constant horsepower dual control system, reducing fuel consumption and preventing engine stall under severe mining, quarrying and bulk earthmoving loads
  • Built-in pilot gear pump delivers stable control pressure for boom, arm, bucket, travel and swing hydraulic circuits
  • Direct bolt-on OEM replacement design, identical mounting flange, port layout, internal oil passages and heavy-duty multi-tooth spline drive shaft; no machining or modifiion required during field repair installation
  • Reinforced thick nodular cast iron housing, hardened cylinder block, wear-resistant piston assembly and valve plate, engineered for long-cycle harsh heavy-duty mining operation
  • Every unit undergoes full pressure calibration, internal leakage inspection and overall performance bench test before delivery; ISO9001 & CE certified
3. Technical Specifiions (HPK300AS-14KB)
  • Pump Configuration: Twin variable axial piston pump assembly
  • Single Side Displacement: 300 cm³/rev
  • Rated Implement Working Pressure: 31.9 MPa (319 bar)
  • Maximum Travel Relief Pressure: 34.3 MPa (343 bar)
  • Total Theoretical Output Flow: Approx. 1024 L/min @ 1800 RPM
  • Pilot Pump Output: 50 L/min, Working Pressure: 3.9 MPa
  • Rotation Direction: Counterclockwise (viewed from engine input side)
  • Drive Shaft: OEM-matched heavy-duty internal multi-tooth spline
4. Compatibility & Cross Reference List
  • Direct Fit Models: ZX670LC-5B, ZX670LCH-5B, ZX870LC-5B
  • Interchangeable Part Numbers: 9313589, 9298854, YB60000238, YB60000244, YB60000246, 9298855
  • Extended Compatible Models: ZX670LCR-5B, ZX870LCH-5B, ZX870LCR-5B, ZX670-5G, ZX870-5G series excavators
5. BELPARTS Competitive Advantages
  • Over 13 years specialized in hydraulic pumps for 60–90 ton Hitachi large mining excavators
  • Three quality grades optional: genuine original Hitachi factory unit, fully rebuilt refurbished pump, cost-effective high-performance aftermarket replacement
  • Rigorous pre-delivery QC procedure: full pressure testing, internal leakage detection and efficiency verifiion
  • Adequate inventory stored in Guangzhou warehouse, flexible sea freight & air freight global shipping solutions
  • Professional engineering team provides installation troubleshooting and long-term technical after-sales support
  • Economical cost-saving alternative vs expensive Hitachi genuine OEM spare parts
6. FAQ
Q1: Does this HPK300AS-14KB pump fit all three listed -5B models?

A: Yes, 9313589 / 9298854 universal pump assembly fits ZX670LC-5B, ZX670LCH-5B and ZX870LC-5B perfectly.

Q2: What is the relationship between part number 9313589 and 9298854?

A: They are superseded upgraded interchange genuine part numbers for the identical HPK300AS-14KB main pump assembly, fully interchangeable for repair replacement.

Q3: What is the difference between Refurbished and Genuine New pump?

A: Refurbished pump replaces all worn internal consumable parts (piston, valve plate, cylinder block, seals), fully bench-calibrated to OEM performance standard with competitive price; Genuine New is original factory brand-new assembly complying with full OEM specifiion.

Q4: What is your delivery lead time?

A: Products are ready in stock, dispatched within 3–7 working days after order confirmation; global sea & air shipping options available.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    2013

  • Total Annual:

    $28000000-$41660000

  • Employee Number:

    1200~1300

  • Ecer Certification:

    Verified Supplier

Since 2013 Excavator Hydraulic Parts Manufacturer & Global Supplier Since 2013 Belparts Machinery Limited — Your Trusted Partner in Excavator Hydraulic Parts Who We Are Founded in September 2013 and headquartered in Guangzhou, China's premier engineering machinery hub, Belparts ha... Since 2013 Excavator Hydraulic Parts Manufacturer & Global Supplier Since 2013 Belparts Machinery Limited — Your Trusted Partner in Excavator Hydraulic Parts Who We Are Founded in September 2013 and headquartered in Guangzhou, China's premier engineering machinery hub, Belparts ha...

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Get in touch with us

  • Reach Us
  • BELPARTS MACHINERY LIMITED
  • 429-432,No.268 Zhongshan Avenue East,Huangpu District,Guangzhou
  • https://www.hydraulic-excavatorparts.com/

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