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BELPARTS MACHINERY LIMITED

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China HItachi ZX870-5G ZX870LC-5G ZX870H-5G ZX870LCH-5G ZX870LCR-5G Main Hydraulic
China HItachi ZX870-5G ZX870LC-5G ZX870H-5G ZX870LCH-5G ZX870LCR-5G Main Hydraulic

  1. China HItachi ZX870-5G ZX870LC-5G ZX870H-5G ZX870LCH-5G ZX870LCR-5G Main Hydraulic
  2. China HItachi ZX870-5G ZX870LC-5G ZX870H-5G ZX870LCH-5G ZX870LCR-5G Main Hydraulic
  3. China HItachi ZX870-5G ZX870LC-5G ZX870H-5G ZX870LCH-5G ZX870LCR-5G Main Hydraulic

HItachi ZX870-5G ZX870LC-5G ZX870H-5G ZX870LCH-5G ZX870LCR-5G Main Hydraulic

  1. MOQ: 1PCS
  2. Price: Negotiation
  3. Get Latest Price
Supply Ability 1000 Piece Per Month
Packaging Details Wooden box
Type HPK300AS
Delivery Time 3-7 Day
Product name Main Hydraulic Pump
Quality Genuine
Part number YB60000230 YB60000246
Payment Terms L/C,Western Union,T/T,D/P,D/A
Model ZX870-5G ZX870LC-5G ZX870H-5G ZX870LCH-5G ZX870LCR-5G
Condition Refurbished
Brand Name Belparts
Model Number ZX870-5G ZX870LC-5G ZX870H-5G ZX870LCH-5G ZX870LCR-5G
Place of Origin Japan
Certification ISO9001 / 2006/42/EC

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  1. Product Details
  2. Company Details

Product Specification

Supply Ability 1000 Piece Per Month Packaging Details Wooden box
Type HPK300AS Delivery Time 3-7 Day
Product name Main Hydraulic Pump Quality Genuine
Part number YB60000230 YB60000246 Payment Terms L/C,Western Union,T/T,D/P,D/A
Model ZX870-5G ZX870LC-5G ZX870H-5G ZX870LCH-5G ZX870LCR-5G Condition Refurbished
Brand Name Belparts Model Number ZX870-5G ZX870LC-5G ZX870H-5G ZX870LCH-5G ZX870LCR-5G
Place of Origin Japan Certification ISO9001 / 2006/42/EC
High Light ZX870-5G Excavator Main PumpYB60000246 Excavator Main PumpYB60000230 Excavator Main Pump
Hitachi ZX870-5G Series Main Hydraulic Pump

HPK300AS | OEM PN: YB60000246, YB60000230 | Genuine / Refurbished / Aftermarket New | BELPARTS Mining Excavator Repair Parts

1. Basic Information
  • Part Name: Tandem Variable Displacement Axial Piston Main Pump with Integrated Pilot Gear Pump, Model HPK300AS
  • Official OEM Part Numbers:

    Primary PN: YB60000246, YB60000230

    Cross Interchange PN: YB60000244, 9298855, 9195239

    Internal Pump Model: HPK300AS

  • Compatible Heavy Excavator Models:

    Hitachi ZX870-5G (Standard Chassis)

    Hitachi ZX870LC-5G (Long Undercarriage)

    Hitachi ZX870H-5G (Heavy-Duty Configuration)

    Hitachi ZX870LCH-5G (High-Lift Heavy Version)

    Hitachi ZX870LCR-5G (Reduced Swing Short Tail)

    Also fully compatible with ZX670LC-5G / ZX670LCH-5G / ZX670LCR-5G

  • Available Conditions:

    ✅ Genuine Original New

    ✅ Professionally Refurbished

    ✅ Premium Aftermarket New

  • Warranty Policy:

    12 months for Genuine & Refurbished pumps; 6–12 months for aftermarket assemblies

  • Net Weight: Approx. 410 kg
  • Stock Status: In stock, ships within 3–7 working days
2. Key Features
  • Original Hitachi HPK300AS structure, perfectly matched to HIOS IIIB hydraulic control system & Isuzu 6WG1 engine power curve for -5G generation large mining excavators
  • Equipped with electronic proportional displacement regulator, combined load sensing + constant horsepower dual control system, effectively cutting fuel consumption and preventing engine stall under heavy quarry & mining loads
  • Built-in pilot gear pump supplies stable control pressure for boom, arm, bucket, travel and swing hydraulic circuits
  • Direct bolt-on OEM replacement, identical mounting flange, port layout, internal oil passage and multi-tooth spline drive shaft, no machining or modification required during field installation
  • Reinforced thick nodular cast iron housing, hardened cylinder block, wear-resistant piston & valve plate assembly, engineered for long-cycle harsh mining operation
  • Every unit undergoes full pressure calibration, internal leakage inspection and overall performance bench test; ISO9001 & CE certified
3. Technical Specifications (HPK300AS)
  • 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 (2×512 L/min per pump side)Hitachi Construction Machinery
  • Pilot Pump Output: 50 L/min, working pressure 3.9 MPaHitachi Construction Machinery
  • Rotation Direction: Counterclockwise (viewed from engine input side)
  • Drive Shaft: Heavy-duty customized internal multi-tooth spline consistent with OEM dimension
4. Compatibility & Cross Reference List
  • Direct Fit Models: ZX870-5G, ZX870LC-5G, ZX870H-5G, ZX870LCH-5G, ZX870LCR-5G
  • Interchangeable Part Numbers: YB60000230, YB60000246, YB60000244, 9298855, 9195239
  • Extended Compatible Models: ZX670LC-5G, ZX670LCH-5G, ZX670LCR-5G, ZX690-5A, ZX690-5B, ZX890-5A, ZX890-5B
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 unit, professionally refurbished pump with replaced wearing parts, cost-effective aftermarket replacement
  • Rigorous pre-delivery QC procedure: full pressure testing, internal leakage detection and efficiency verification before shipment
  • Adequate inventory stored in Guangzhou warehouse, flexible sea freight & air freight global shipping solutions
  • Professional engineering team provides on-site 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 pump fit all five ZX870-5G variants listed?

A: Yes, YB60000230 / YB60000246 universal pump assembly fits standard chassis, long carriage, heavy-duty, high-lift and reduced-swing ZX870-5G series models.

Q2: What is the relation between YB60000230 and YB60000246?

A: They are superseded upgraded interchange genuine part numbers for identical HPK300AS 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 components (piston, valve plate, cylinder block, seals), fully bench-tested to OEM performance standard with competitive price; Genuine New is original factory brand-new assembly with full OEM specification.

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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