307002-4650 (4276918)
- Specification
- Product Description
- Product Scenario
- Product Advantage
| Model | Displacement (cm3/rev.) |
Pressure (kg/cm2) |
Speed (r.p.m.) |
Weight (kg) |
Shaft Rotation | ||
|---|---|---|---|---|---|---|---|
| Max | Rated | Max. | Min. | ||||
| HR5-4650 | 16.8 | 175 | 140 | 3200 | 600 | 2.5 | CCW/Counterclockwise |
Applicable to :
EX100-3 , EX100-5 , EX100M-5 , EX110-5 , EX120-3 , EX120-5 , EX120-5HG , EX120-5LV , EX120-5X , EX120-5Z , EX130H-5 , EX120K-5 , EX200-5HG , , EX200-5LV , EX200-5X , EX200-5Z , EX200K-3 , EX200LC-5 , EX800H-5 , EX210H-5 , EX210K-5 , EX220-3 , EX220-5 , EX230-5 , EX230H-5 , EX230LC-5 , EX270-5 , EX270LC-5 , EX280H-5 , EX400-3 , EX400-5 , EX450H-5 , EX450LC-5 , EX750-5 , EX230K-5
- Manufacturer: Hung Rong Hydraulic Tech. (Taiwan)
- Model: HR5-4650
- Part Number: 307002-4650 / 4276918
- Displacement: 16.8 cm³/rev
- Operating Pressure: Continuous 140 kg/cm² / Maximum 175 kg/cm² (withstand capacity up to 250 kg/cm² in peak scenarios)
- Speed Range: 600 – 3200 r.p.m.
- Shaft Rotation: Counter-Clockwise (CCW)
- Net Weight: 2.5 kg
This unit features extensive cross-model compatibility, engineered as a direct replacement for over 30 Hitachi EX-series excavator models ranging from standard to heavy-tonnage applications:
- Compatible Series: Hitachi EX100, EX120, EX200, EX220, EX270, EX400, and EX750 variants.
- Key Model Examples: EX120-5, EX220-5, EX400-3, etc.
- Application Scenario: Specifically built to eliminate hydraulic pressure loss, preventing main pump wear and maintaining fast cycle efficiency during heavy-duty operations.
- Drop-In Compatibility: Exactly matched to original dimensions and parameters, ensuring seamless on-site replacement without system modifications.
- Streamlined Inventory: One part number covers more than 30 distinct excavator models, significantly reducing stock complexity and inventory costs for fleet managers.
- Main Pump Protection: Delivers a reliable, continuous charge flow to maintain system pressure integrity, protecting high-value main piston pumps from cavitation damage.
- Optimized Design: The compact 2.5 kg build offers a practical balance of extreme durability and ease of installation for field technicians.
- Procurement Efficiency: Backed by a verified Taiwan-based hydraulic manufacturer, providing procurement teams with a technically sound, reliable, and cost-controlled alternative to OEM sourcing.