4729879 PUMP Hitachi parts for EX1900-6, EX2600-6BH, EX2600-6LD, EX5600-6BH, EX5600-6LD
4729879 PUMP Hitachi PartsProduct OverviewThe 4729879 PUMP is a genuine Hitachi replacement part, meticulously engineered to meet the stringent demands of heavy-duty constructi
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4729879 PUMP Hitachi PartsProduct OverviewThe 4729879 PUMP is a genuine Hitachi replacement part, meticulously engineered to meet the stringent demands of heavy-duty constructi
4729879 PUMP Hitachi Parts
Product Overview
The 4729879 PUMP is a genuine Hitachi replacement part, meticulously engineered to meet the stringent demands of heavy-duty construction and mining machinery. As a critical component of the hydraulic system, this pump ensures the efficient and powerful operation of your Hitachi excavators.
Designed for optimal performance and longevity, this pump is essential for maintaining the productivity and reliability of your equipment, providing the necessary hydraulic pressure to power various functions from digging to lifting.
Key Product Features & Selling Points
Superior Quality: Manufactured to Hitachi's exact specifications, ensuring a perfect fit and seamless integration with your existing hydraulic system.
Enhanced Durability: Constructed from robust materials to withstand extreme operating conditions, reducing wear and extending service life.
Optimized Performance: Delivers consistent and powerful hydraulic flow, ensuring your excavators operate at peak efficiency and responsiveness.
Reliable Operation: Minimizes downtime by providing a dependable solution for maintaining your machinery's hydraulic integrity.
Exact Compatibility: Specifically designed for the listed Hitachi excavator models, guaranteeing compatibility and ease of installation.
Applicable Equipment & Application Scenarios
This 4729879 PUMP is specifically compatible with the following heavy-duty Hitachi excavators:
Hitachi EX1900-6
Hitachi EX2600-6BH
Hitachi EX2600-6LD
Hitachi EX5600-6BH
Hitachi EX5600-6LD
These excavators are formidable machines deployed in the most demanding environments, including:
Large-Scale Mining Operations: Essential for overburden removal, ore loading, and continuous heavy excavation in surface mines. The pump's reliability ensures uninterrupted production in remote and harsh conditions.
Heavy Construction Projects: Used for massive earthmoving, trenching, and foundation work in large infrastructure developments like dams, highways, and commercial complexes. The pump supports the precision and power required for these critical tasks.
Quarrying: Vital for extracting aggregates, rock, and other raw materials from quarries. The pump enables the robust digging forces needed to break and load dense materials effectively.
Demolition of Large Structures: Provides the hydraulic force for specialized attachments used in demolishing industrial buildings and large concrete structures, showcasing its power and control.
Case Study Example: In a large iron ore mine, an EX5600-6BH equipped with this high-performance hydraulic pump consistently achieved its targeted loading rates, even under continuous operation in dusty and high-temperature conditions. The pump's robust design and consistent pressure delivery minimized unexpected shutdowns, contributing significantly to the mine's operational efficiency and productivity. Its reliable performance meant less time spent on maintenance and more time in active production, proving its value in critical, high-utilization applications.
Related & Similar Products
To ensure the complete health and optimal performance of your Hitachi hydraulic systems, consider these related products often used in conjunction with or as alternatives to various pump types:
Hydraulic Motors: Drives for swing, travel, and other rotational functions.
Applicable to: EX series excavators, ZAXIS series excavators.
Control Valves: Regulate the flow and pressure of hydraulic fluid to various components.
Applicable to: All Hitachi hydraulic excavators.
Gear Pumps: Often used as pilot pumps or for auxiliary hydraulic circuits.
Applicable to: Various EX series excavators (e.g., EX100, EX200, EX400).
Hydraulic Cylinders: For boom, arm, and bucket movements.
Applicable to: All Hitachi excavators.
Installation & Maintenance: Common Issues & Solutions
Proper installation and regular maintenance are crucial for the longevity and performance of your hydraulic pump. Here are common issues and their solutions:
Issue: Fluid Leakage
Problem: Visible hydraulic fluid dripping or accumulation around the pump. This can be caused by worn seals, gaskets, or damaged hoses/fittings.
Solution: Regularly inspect all seals, gaskets, and hoses for cracks or wear. Ensure all fittings are tight. Replace any worn or damaged components promptly with genuine parts to prevent fluid loss and contamination.
Issue: Excessive Noise or Vibration
Problem: Grinding, whining, knocking, or unusual sounds coming from the pump, or excessive vibration. This can indicate air in the system (cavitation), worn bearings, or misalignment.
Solution: Check hydraulic fluid levels and quality (ensure no air bubbles). Inspect the pump's mounting and alignment. Listen for specific abnormal sounds to pinpoint the issue. If bearings are suspected, a professional inspection and replacement may be needed.
Issue: Decreased Performance (Reduced Flow/Pressure)
Problem: Sluggish or unresponsive excavator movements, reduced digging force, or slower operating speeds. This indicates the pump is not delivering adequate flow or pressure.
Solution: Monitor hydraulic pressure and flow rates using gauges and compare to manufacturer specifications. Check for contaminated fluid, clogged filters, or internal wear within the pump. A diagnostic check by a qualified technician is often required to identify the root cause.
Issue: Overheating
Problem: The hydraulic system or pump operates at abnormally high temperatures, potentially causing fluid degradation and component damage.
Solution: Ensure hydraulic fluid is clean and at the correct level. Check the hydraulic cooler for obstructions or damage. Overheating can also result from a failing pump working inefficiently or system over-pressurization. Avoid overloading the machine beyond its design capacity.
Issue: Contaminated Hydraulic Fluid
Problem: Dirty, discolored, or milky hydraulic fluid, or the presence of metallic particles. Contamination accelerates wear on all hydraulic components, including the pump.
Solution: Perform regular hydraulic fluid checks and changes according to the manufacturer's schedule. Always use the correct type and grade of hydraulic fluid. Replace hydraulic filters frequently to prevent contaminants from circulating within the system. If heavily contaminated, a system flush may be necessary.
For complex issues, it is always recommended to consult with a certified Hitachi technician to ensure proper diagnosis and repair using specialized tools and expertise.
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Next: 9019581 VALVE Hitachi parts for EX1000, EX2500-5, EX2600-6BH, EX2600-6LD, EX3500, EX8000, EX8000-6, HE6010B, KH180-3, UH031M, UH041, UH051, UH052, UH061, UH062, UH121, UH123, UH181, UH261, UH501, UH801
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