Quality HItachi EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3 Main Hydraulic Pump K3V280 9254122 4635645 For Excavator Repair Part factory

HItachi EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3 Main Hydraulic Pump K3V280 9254122 4635645 For Excavator Repair Part

Name: HItachi EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3 Main Hydraulic Pump K3V280 9254122 4635645 For Excavator Repair Part
Brand: BELPARTS MACHINERY LIMITED
SKU: EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3
Price: 475.00 USD
Availability: InStock

Place of Origin:Japan

Brand Name:Belparts

Certification:ISO9001 / 2006/42/EC

Model Number:EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3

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 K3V280

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ZX650LC-3 main hydraulic pump

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excavator repair hydraulic pump 9254122

Parts Number: 9254122 4635645

Type: K3V280

Application: Mini Excavator

Warranty: 12 Months

Quality: High-Quality Aftermarket

Model: EX1200-6 ZX650LC-3 ZX670LCH-3 ZX670LCR-3

Part Name: Hydraulic Piston Pump

Shipment: Sea / Air / Express DHL FEDEX UPS

Product Description

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 modification 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 Specifications (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 verification
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.