مضخة هيدروليكية JCB K3V112DTP-9C32-14T لـ حفارة JCB JS200 JS210 JS220 JS235 JS290 JS200LC JS210LC JS220LC

JCB JS200 JS210 JS220 JS290 Main Hydraulic Pump | KRJ4690
1. Product Overview
The Heavy-Duty Axial Piston Main Pump is the primary hydraulic source for JCB JS200, JS210, JS220, JS235, and JS290 series excavators (including LC and NLC versions). This pump assembly is a direct replacement for multiple OEM part numbers, including KRJ4690, 20/925309, 333/J1504, and 215/13686. It is engineered to deliver the massive hydraulic horsepower required for high-production earthmoving and heavy lifting.
2. Technical Specifications & Performance
Pump Type: Tandem Axial Piston Pump (Kawasaki K3V/K5V Type)

Displacement: 112 cm³/rev x 2 (Standard for 200/220 series) up to 140 cm³/rev (for 290 series)

Rated Speed: 2,100 - 2,400 RPM

Rated Pressure: 34.3 MPa (343 Bar)

Max Pressure: 37.5 MPa (375 Bar)

Main Shaft Spec: 17 Teeth Spline (Model Dependent)

JCB Part Numbers: KRJ4690 / KRJ4573 / 20-925309 / 215-11278 / 20-925770 / 333-J1504 / 332-P0924 / 215-13686

Warranty: 1 Year Quality Guarantee

Delivery Time: 3-7 Working Days
3. Key Engineering Advantages
Optimized Power Management: Features advanced torque control to prevent engine lugging while maximizing pump output during heavy excavation cycles.

Superior Flow Efficiency: The internal swashplate and cylinder block design minimize internal leakage, ensuring high volumetric efficiency and reduced fuel consumption.

Robust Construction: Utilizes high-grade forged alloy components and precision-ground valve plates to handle the constant pressure spikes ($P_{max}$) of 20+ ton machine operations.

Standardized Fitment: Designed to match JCB factory mounting flanges and port locations perfectly, allowing for a fast and secure installation without hydraulic circuit modifications.

4. Supply Range & Brand Expertise
We specialize in professional-grade components for all excavator systems:

Hydraulics: Main Pumps, Control Valves, and Cylinders.

Drivetrain: Travel & Swing Motors, Final Drives, and Gearboxes.

Electronics: ECU Controllers, Wiring Harnesses, and Monitors.

Extensive Brand Coverage: Hitachi, Komatsu, Volvo, CAT, Hyundai, Kobelco, Kubota, Yanmar, Bobcat, JCB, John Deere, Sany, Case, XCMG, and Doosan.

5. Global Logistics & Fast Delivery
Express Delivery: Rapid shipping via UPS, DHL, FedEx, and TNT.

Flexible Freight: Specialized Air Freight, Sea Freight, and door-to-door logistics available.

Global Service: Worldwide Door-to-Door Delivery ensured, minimizing downtime and getting your excavator back to the job site quickly.