4347232 PUMP;GEAR Hitachi parts for EX1900-5, EX1900-6, EX2500, EX2500-5, EX2500-6, EX2600-6BH, EX2600-6LD, EX5500, EX5500-5, EX5500-6, EX5500E-6, EX5600-6BH, EX5600-6LD
4347232 PUMP;GEAR for Hitachi EX-Series ExcavatorsProduct OverviewThe 4347232 PUMP;GEAR is a genuine Hitachi OEM part, meticulously engineered to deliver optimal hyd
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4347232 PUMP;GEAR for Hitachi EX-Series ExcavatorsProduct OverviewThe 4347232 PUMP;GEAR is a genuine Hitachi OEM part, meticulously engineered to deliver optimal hyd
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4347232 PUMP;GEAR for Hitachi EX-Series Excavators
Product Overview
The 4347232 PUMP;GEAR is a genuine Hitachi OEM part, meticulously engineered to deliver optimal hydraulic performance for a range of Hitachi EX-series excavators. This high-quality gear pump is a critical component in your excavator's hydraulic system, responsible for converting mechanical energy into hydraulic energy, ensuring smooth and efficient operation of various functions like boom, arm, bucket, and swing movements. Designed for durability and precision, this pump guarantees reliable power transmission even in the most demanding working conditions.
Key Features & Benefits
Exceptional Durability: Manufactured with high-grade materials to withstand extreme pressures and operating temperatures, extending service life.
Precise Engineering: Ensures accurate fluid displacement and consistent pressure for smooth and responsive control.
Optimized Performance: Restores your excavator's hydraulic system to factory specifications, enhancing efficiency and productivity.
Genuine Hitachi Part: Guarantees perfect fit and compatibility, preserving the integrity of your machinery.
Reduced Downtime: Reliable operation minimizes unexpected breakdowns, maximizing uptime on your job site.
Product Specifications
| Part Number | 4347232 |
| Product Type | PUMP;GEAR |
| Manufacturer | Hitachi |
| Material | High-Grade Alloy Steel, Precision Machined Components |
| Application | Hydraulic System Power Generation |
Compatible Hitachi Excavator Models
EX1900-5
EX1900-6
EX2500
EX2500-5
EX2500-6
EX2600-6BH
EX2600-6LD
EX5500
EX5500-5
EX5500-6
EX5500E-6
EX5600-6BH
EX5600-6LD
Application Scenarios & Case Studies
The Hitachi EX-series excavators compatible with the 4347232 PUMP;GEAR are renowned for their robust performance in large-scale earthmoving and mining operations. These machines are workhorses in demanding environments, and the reliability of their hydraulic systems, powered by components like this gear pump, is paramount.
Typical Applications:
Mining Operations: Extracting vast quantities of minerals and overburden in open-pit mines. The EX1900 and EX2500 series are frequently used for loading haul trucks with ore or waste material, requiring powerful and consistent hydraulic force for digging and lifting.
Large-Scale Construction Projects: Foundation excavation for high-rise buildings, large infrastructure projects like dams and major road networks. The EX5500 and EX5600 models, with their immense digging capabilities, rely heavily on their hydraulic systems for efficient material movement.
Quarrying: Breaking and loading aggregates, rock, and other materials. The continuous heavy-duty cycles in quarries necessitate resilient hydraulic components to prevent breakdowns and maintain productivity.
Case Study Example:
Consider a large open-pit coal mine utilizing a fleet of Hitachi EX2500-6 excavators. One unit experiences a significant drop in hydraulic pressure, leading to sluggish arm and bucket movements and reduced digging force. Diagnostics reveal a worn-out primary gear pump. Replacing the failing pump with a genuine 4347232 PUMP;GEAR immediately restores the excavator's hydraulic system to its full operating capacity. The machine regains its powerful digging capabilities, reducing cycle times and contributing to the overall efficiency of the mining operation, preventing costly downtime and maintaining production targets.
Related & Similar Products
Beyond the 4347232 PUMP;GEAR, the hydraulic system of Hitachi excavators comprises numerous essential components. We offer a comprehensive range of genuine and aftermarket parts to ensure your machinery operates at its peak.
Hydraulic Main Pumps (Piston Pumps): Often found in conjunction with gear pumps, these larger pumps provide the primary hydraulic flow for major functions.
Applicable to: Most Hitachi EX-series excavators (e.g., EX1200, EX3600, EX8000).
Control Valves: Direct hydraulic fluid flow to various cylinders and motors, enabling precise movement control.
Applicable to: All Hitachi EX-series excavators.
Hydraulic Cylinders (Boom, Arm, Bucket): Convert hydraulic pressure into linear motion for digging and lifting.
Applicable to: All Hitachi EX-series excavators, specific to model and attachment.
Swing Motors: Provide rotational power for the excavator's upper structure.
Applicable to: All Hitachi EX-series excavators.
Travel Motors: Drive the tracks for excavator movement.
Applicable to: All Hitachi EX-series excavators.
Hydraulic Filters: Crucial for maintaining fluid cleanliness and protecting hydraulic components from contamination.
Applicable to: All Hitachi EX-series excavators, requiring regular replacement.
Installation & Maintenance: Common Issues & Solutions
Proper installation and routine maintenance are vital for maximizing the lifespan and performance of your 4347232 PUMP;GEAR and the entire hydraulic system.
Common Issues & Solutions:
Issue: Reduced Hydraulic Pressure/Sluggish Operation
Cause: Worn internal components of the gear pump, air in the hydraulic system, contaminated hydraulic fluid, or clogged filters.
Solution: Inspect the gear pump for wear and replace if necessary (e.g., 4347232 PUMP;GEAR). Bleed the hydraulic system to remove air. Drain and replace hydraulic fluid and all hydraulic filters regularly.Issue: Unusual Noises (Whining, Grinding)
Cause: Cavitation due to air ingestion, worn bearings, misaligned pump, or low hydraulic fluid level.
Solution: Check hydraulic fluid level and top up. Inspect suction lines for leaks. Verify pump alignment. Consider pump replacement if internal damage is suspected.Issue: Overheating Hydraulic Fluid
Cause: Excessive system pressure, clogged cooler, incorrect fluid viscosity, or internal leakage within the pump or other components.
Solution: Check pressure relief valve settings. Clean or replace hydraulic cooler. Ensure correct hydraulic fluid type is used. Inspect the pump and other components for internal wear leading to bypass.Issue: External Leaks from the Pump
Cause: Damaged seals, loose fittings, or cracked casing.
Solution: Replace worn or damaged seals. Tighten all hydraulic fittings to specifications. If casing is cracked, the pump must be replaced.
Installation Tips:
Always ensure the hydraulic system is de-pressurized before beginning any work.
Use clean tools and maintain a clean work environment to prevent contamination.
Replace all associated seals and O-rings when installing a new pump.
Fill the pump with clean hydraulic fluid before initial startup to prevent dry running.
After installation, bleed the system thoroughly to remove any trapped air.
Monitor hydraulic pressure and fluid levels closely during the initial operation.
For genuine Hitachi parts and expert advice, trust Hitachi-IsuzuParts.com.
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4347232 PUMP;GEAR Hitachi parts for EX1900-5, EX1900-6, EX2500, EX2500-5, EX2500-6, EX2600-6BH, EX2600-6LD, EX5500, EX5500-5, EX5500-6, EX5500E-6, EX5600-6BH, EX5600-6LD
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