Quality Hitachi ZX670LC-5B ZX870LC-5B ZX670LCH-5B ZX870-5B ZX870H-5B ZX870LCR-5B ZX870LCH-5B Main Hydraulic Pump Genuine HPK300AS-14KB 9313589 9298854 For Excavator Part factory

Hitachi ZX670LC-5B ZX870LC-5B ZX670LCH-5B ZX870-5B ZX870H-5B ZX870LCR-5B ZX870LCH-5B Main Hydraulic Pump Genuine HPK300AS-14KB 9313589 9298854 For Excavator Part

Name: Hitachi ZX670LC-5B ZX870LC-5B ZX670LCH-5B ZX870-5B ZX870H-5B ZX870LCR-5B ZX870LCH-5B Main Hydraulic Pump Genuine HPK300AS-14KB 9313589 9298854 For Excavator Part
Brand: BELPARTS MACHINERY LIMITED
SKU: ZX670LC-5B ZX870LC-5B ZX670LCH-5B ZX870-5B ZX870H-5B ZX870LCR-5B ZX870LCH-5B
Price: 475.00 USD
Availability: InStock

Place of Origin:Japan

Brand Name:Belparts

Certification:ISO9001 / 2006/42/EC

Model Number:ZX670LC-5B ZX870LC-5B ZX670LCH-5B ZX870-5B ZX870H-5B ZX870LCR-5B ZX870LCH-5B

Minimum Order Quantity:1PCS

Price:Negotiated price

Payment Terms:T/T,trade assurance,PayPal,L/C,D/P,D/A,Western Union,

Supply Ability:100 PCS / Months

Product Details

Highlight:

Hitachi excavator hydraulic pump

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Genuine HPK300AS-14KB pump

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ZX870LC-5B main hydraulic pump

Parts Number: 9313589 9298854

Type: HPK300AS-14KB

Application: Mini Excavator

Warranty: 12 Months

Quality: Genuine Refurbished

Model: ZX670LC-5B ZX870LC-5B ZX670LCH-5B ZX870-5B ZX870H-5B ZX870LCR-5B ZX870LCH-5B

Part Name: Hydraulic Piston Pump

Shipment: Sea / Air / Express DHL FEDEX UPS

Product Description

Hitachi ZX670LC-5B / ZX670LCH-5B / ZX870LC-5B / ZX870-5B / ZX870H-5B / ZX870LCR-5B / ZX870LCH-5B Main Hydraulic Pump

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

1. Basic Information

Part Name: Twin Variable Displacement Axial Piston Main Pump with Integrated Pilot Gear Pump, Model HPK300AS-14KB (Hitachi Genuine OEM Specification)
Official Genuine Part Numbers:
Primary OEM Codes: 9313589, 9298854
Cross Interchange PN: YB60000238, YB60000244, YB60000246, 9298855
Internal Pump Model: HPK300AS-14KB
Full Compatible Excavator Models:
Hitachi ZX670LC-5B (Standard Long Undercarriage)
Hitachi ZX670LCH-5B (Heavy High-Lift Configuration)
Hitachi ZX870LC-5B (Long Chassis Large Excavator)
Hitachi ZX870-5B (Standard Base Chassis)
Hitachi ZX870H-5B (Heavy-Duty Reinforced Version)
Hitachi ZX870LCR-5B (Reduced Swing Short Tail Design)
Hitachi ZX870LCH-5B (Heavy High-Lift Long Carriage)
Also interchangeable with ZX670LCR-5B, ZX670-5G, ZX870-5G series excavators
Available Product Conditions:
✅ Genuine Original Factory New
✅ Professionally Fully Refurbished (All Wearing Parts Replaced + Bench Calibrated)
✅ High Precision Premium 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, shipped out within 3–7 working days after order confirmation

2. Key Features

Exact original Hitachi HPK300AS-14KB internal structure, perfectly matched to HIOS IIIB hydraulic control system & Isuzu 6WG1 engine power curve for Dash-5B generation heavy mining excavators
Equipped with electronic proportional displacement regulator, combined load sensing + constant horsepower dual control system, cutting fuel consumption and preventing engine stall under severe mining, quarrying and bulk earthmoving heavy loads
Built-in pilot gear pump supplies stable control pressure to operate boom, arm, bucket, travel and swing hydraulic circuits steadily
Direct bolt-on OEM replacement design, identical mounting flange, port layout, internal oil passage routing and heavy-duty multi-tooth spline drive shaft; no cutting, machining or modification required during field repair installation
Reinforced thick nodular cast iron pump housing, hardened cylinder block, wear-resistant piston assembly and valve plate, engineered for long-cycle harsh continuous mining operation
Every unit undergoes full pressure calibration, internal leakage inspection and overall performance bench test before delivery; ISO9001 & CE certified

3. Technical Specifications (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 dimension

4. Compatibility & Cross Reference List

Direct Fit All Listed Models:
ZX670LC-5B, ZX670LCH-5B, ZX870LC-5B, ZX870-5B, ZX870H-5B, ZX870LCR-5B, ZX870LCH-5B
Interchangeable Part Numbers:
9313589, 9298854, YB60000238, YB60000244, YB60000246, 9298855
Extended Compatible Models:
ZX670LCR-5B, ZX670-5G, ZX870-5G, 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 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 verification before shipment
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 seven listed -5B machine variants?

A: Yes, 9313589 / 9298854 universal main pump assembly is fully compatible with standard chassis, long carriage, heavy-duty, high-lift, reduced-swing all ZX670/ZX870-5B configurations.

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 field 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, oil seals), fully bench-calibrated to OEM performance standard with competitive price; Genuine New is original factory brand-new assembly complying 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.