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BELPARTS MACHINERY LIMITED

  • China,Guangzhou
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China HItachi EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3 Main Hydraulic Pump K3V280
China HItachi EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3 Main Hydraulic Pump K3V280

  1. China HItachi EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3 Main Hydraulic Pump K3V280
  2. China HItachi EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3 Main Hydraulic Pump K3V280
  3. China HItachi EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3 Main Hydraulic Pump K3V280

HItachi EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3 Main Hydraulic Pump K3V280

  1. MOQ: 1PCS
  2. Price: Negotiated price
  3. Get Latest Price
Certifiion ISO9001 / 2006/42/EC
Appliion Mini Excavator
Type K3V280
Delivery Time 1~5 days
Quality High-Quality Aftermarket
Payment Terms T/T,trade assurance,PayPal,L/C,D/P,D/A,Western Union,
Part name Hydraulic Piston pump
Model EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3
Supply Ability 100 PCS / Months
Shipment Sea / Air / Express DHL FEDEX UPS
Parts number 9254122 4635645
Packaging Details Wooden Case Packing
Warranty 12 Months
Model Number EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3
Brand Name Belparts
Place of Origin Japan

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  1. Product Details
  2. Company Details

Product Specification

Certifiion ISO9001 / 2006/42/EC Appliion Mini Excavator
Type K3V280 Delivery Time 1~5 days
Quality High-Quality Aftermarket Payment Terms T/T,trade assurance,PayPal,L/C,D/P,D/A,Western Union,
Part name Hydraulic Piston pump Model EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3
Supply Ability 100 PCS / Months Shipment Sea / Air / Express DHL FEDEX UPS
Parts number 9254122 4635645 Packaging Details Wooden Case Packing
Warranty 12 Months Model Number EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3
Brand Name Belparts Place of Origin Japan
High Light Hitachi excavator hydraulic pump K3V280ZX650LC-3 main hydraulic pumpexcavator repair hydraulic pump 9254122
Hitachi EX1200-6 / ZX650LC-3 / ZX670LCH-3 / ZX670LCR-3 Main Hydraulic Pump
High-Quality Aftermarket | PN: 9254122, 4635645 | Kawasaki K3V280SH | BELPARTS Excavator Repair Parts
1. Basic Information
  • Part Name: Tandem Variable Displacement Axial Piston Main Pump with Integrated Pilot Gear Pump
  • OEM Part Numbers:
    Primary PN: 9254122, 4635645
    Cross Interchange PN: YA00003063, YA00003076, 4641835
    Kawasaki Internal Model: K3V280SH141L
  • Compatible Large Excavator Models:
    Hitachi ZX650LC-3 (Standard Long Undercarriage)
  • Hitachi EX1200-6
    Hitachi ZX670LCH-3 (Heavy High-Lift Version)
    Hitachi ZX670LCR-3 (Reduced Swing Short Tail)
    Also fits ZX850-3, ZX870H-3, ZX870LCR-3 series large mining excavators
  • Condition: High-Quality Aftermarket New
  • Warranty: 12 months
  • Net Weight: Approx. 390 kg
  • Stock Status: In stock, ships within 3–7 working days
2. Key Features
  • Strictly manufactured per original Kawasaki K3V280SH blueprint, fully matched to Isuzu AH-6WG1XYSA-02 engine power curve for Hitachi -3 generation heavy excavators
  • Equipped with load sensing + constant horsepower dual control system, effectively cutting fuel consumption and preventing engine stall under heavy mining, quarrying and bulk earthmoving loads
  • Built-in pilot gear pump supplies stable pilot pressure to control boom, arm, bucket, travel and swing hydraulic circuits
  • Direct bolt-on aftermarket replacement, identical mounting flange, port layout, oil passages and spline drive shaft; no cutting, machining or modifiion required during field repair installation
  • Thick high-strength nodular cast iron housing, hardened cylinder block, wear-resistant piston assembly and valve plate, engineered for long-cycle harsh heavy-duty working conditions
  • Every pump undergoes full pressure calibration, internal leakage inspection and overall performance bench test before delivery; ISO9001 & CE certified
3. Technical Specifiions (K3V280SH)
  • Pump Structure: Twin variable axial piston pump assembly
  • Single Side Displacement: 280 cm³/rev
  • Rated Implement Pressure: 31.9 MPa (319 bar)
  • Max Travel Relief Pressure: 34.3 MPa (343 bar)
  • Total Theoretical Flow: Approx. 912 L/min @ 1800 RPM
  • Pilot Pump Output: 30 L/min, Working Pressure: 3.9 MPa
  • Rotation Direction: Counterclockwise (viewed from engine input side)
  • Drive Shaft: OEM-matched internal spline
4. Compatibility & Cross Reference List
  • Direct Fit: ZX650LC-3, ZX670LCH-3, ZX670LCR-3
  • Interchangeable Part Numbers: 9254122, 4635645, YA00003063, YA00003076, 4641835
  • Extended Compatible Models: ZX850-3, ZX870H-3, ZX870LCR-3, Deere 650D, 850DLC
5. BELPARTS Competitive Advantages
  • Over 13 years specialized in hydraulic pumps for 60–90 ton Hitachi large mining excavators
  • Premium aftermarket construction with precision-machined internal components for reliable long-term operation
  • Rigorous pre-delivery QC: 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
  • Cost-effective alternative solution vs expensive Hitachi genuine OEM spare parts
6. FAQ
Q1: Does this aftermarket pump fit all three ZX650/ZX670-3 variants?

A: Yes, 9254122 / 4635645 is a universal main pump assembly compatible with long carriage, heavy high-lift and reduced-swing chassis configurations.

Q2: What is the relationship between part number 9254122 and 4635645?

A: They are superseded interchange OEM part numbers referring to the identical K3V280SH pump assembly, fully interchangeable for repair replacement.

Q3: What is your delivery lead time?

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

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