4640838 HOSE Hitachi parts for ZX1800K-3, ZX850-3, ZX850-3F, ZX870H-3, ZX870H-3-HCMC, ZX870H-3F, ZX870R-3, ZX870R-3F
4640838 Hitachi Hose for ZX1800K-3, ZX850-3, ZX850-3F, ZX870H-3, ZX870H-3-HCMC, ZX870H-3F, ZX870R-3, ZX870R-3FProduct OverviewThe 4640838 Hitachi Hose is a genuine OEM (Original Equipment Manufacturer
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4640838 Hitachi Hose for ZX1800K-3, ZX850-3, ZX850-3F, ZX870H-3, ZX870H-3-HCMC, ZX870H-3F, ZX870R-3, ZX870R-3FProduct OverviewThe 4640838 Hitachi Hose is a genuine OEM (Original Equipment Manufacturer
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4640838 Hitachi Hose for ZX1800K-3, ZX850-3, ZX850-3F, ZX870H-3, ZX870H-3-HCMC, ZX870H-3F, ZX870R-3, ZX870R-3F
Product Overview
The 4640838 Hitachi Hose is a genuine OEM (Original Equipment Manufacturer) part specifically engineered to meet the rigorous demands of heavy-duty Hitachi excavators. This high-quality hydraulic hose plays a critical role in the efficient and safe operation of your machinery by reliably transferring hydraulic fluid under extreme pressure and temperature. Manufactured to Hitachi's exacting standards, it ensures optimal performance, durability, and a perfect fit, minimizing downtime and maximizing productivity.
Product Specifications
Part Number: 4640838
Type: Hydraulic Hose
Material: High-grade synthetic rubber and reinforced with multiple layers of high-tensile steel wire braiding for superior strength and flexibility.
Pressure Rating: Engineered to withstand high operating pressures typical in heavy excavation equipment. (Specific pressure rating varies by application, designed to meet OEM specifications for listed models).
Temperature Range: Optimized for extreme operating temperatures encountered in construction and mining environments.
Connections: Precision-engineered fittings for secure, leak-free connections.
Compatibility: Direct replacement for original Hitachi parts, ensuring seamless integration.
Key Advantages & Selling Points
Genuine Hitachi Quality: Guarantees perfect fit, form, and function, ensuring optimal system performance and longevity.
Exceptional Durability: Constructed with robust materials to resist abrasion, corrosion, and pressure fluctuations, extending service life.
Reliable Performance: Maintains consistent hydraulic flow, contributing to precise machine control and operational efficiency.
Reduced Downtime: High-quality components minimize the risk of unexpected failures, keeping your equipment running longer.
Enhanced Safety: Engineered to original specifications, reducing the risk of hydraulic leaks and potential hazards.
Applicable Equipment
This 4640838 Hitachi Hose is specifically designed for the following heavy-duty Hitachi excavator models:
ZX1800K-3
ZX850-3
ZX850-3F
ZX870H-3
ZX870H-3-HCMC
ZX870H-3F
ZX870R-3
ZX870R-3F
Application Scenarios & Case Studies
The Hitachi ZX series excavators, for which the 4640838 hose is essential, are primarily deployed in demanding environments requiring significant digging, lifting, and demolition capabilities.
Mining Operations:
These large excavators are workhorses in open-pit mines, extracting vast quantities of ore, coal, and aggregates. The hydraulic system, including the 4640838 hose, ensures the powerful and continuous movement of the boom, arm, and bucket for efficient material loading into haul trucks.
Case Study: A large iron ore mine operating Hitachi ZX870H-3 excavators experienced a significant reduction in unscheduled maintenance due to hydraulic hose failures after switching exclusively to genuine 4640838 hoses, leading to a 15% increase in operational uptime over a quarter.Large-Scale Construction Projects:
From highway construction to commercial building foundations, these excavators are indispensable for earthmoving, trenching, and site preparation. The reliable hydraulic power provided by components like the 4640838 hose enables precise grading and rapid excavation.
Case Study: During the construction of a new port expansion, a ZX1800K-3 utilized for dredging and backfilling relied on robust hydraulic systems. The genuine 4640838 hoses ensured continuous, high-pressure operation of the dredging attachments, critical for meeting tight project deadlines.Demolition and Heavy Lifting:
With specialized attachments, these excavators are used for demolishing large structures and handling heavy loads. The integrity of the hydraulic hoses is paramount for safe and controlled movements of heavy breakers, pulverizers, and lifting hooks.
Case Study: A demolition company using a ZX850-3F for a multi-story building takedown reported zero hydraulic line bursts over a six-month period after adopting genuine Hitachi hoses, significantly improving site safety and operational flow.
Related & Similar Products
In addition to the 4640838 hose, we offer a comprehensive range of genuine Hitachi hydraulic components and related parts to ensure the optimal functioning of your heavy machinery. These include:
Other Hydraulic Hoses (various part numbers): For different sections of the hydraulic system (e.g., boom cylinder hoses, arm cylinder hoses, bucket cylinder hoses, travel motor hoses).
Applicable Equipment: All Hitachi excavators, wheel loaders, and dozers requiring specific hydraulic hose lengths and pressure ratings.Hydraulic Pumps: Main pumps, pilot pumps, and gear pumps responsible for generating hydraulic pressure.
Applicable Equipment: ZX series excavators (ZX1800K-3, ZX850-3, ZX870H-3, etc.), ZW series wheel loaders.Hydraulic Cylinders: Boom, arm, and bucket cylinders for machine movement.
Applicable Equipment: All Hitachi excavators.Hydraulic Filters: Essential for maintaining fluid cleanliness and protecting hydraulic components.
Applicable Equipment: All Hitachi construction and mining machinery with hydraulic systems.Control Valves: Directing hydraulic flow to various functions of the machine.
Applicable Equipment: All Hitachi excavators and hydraulic equipment.
Common Installation & Maintenance Issues and Solutions
Proper installation and regular maintenance are crucial for maximizing the lifespan and performance of your 4640838 Hitachi Hose and the entire hydraulic system.
Issue: Hose Leaks or Weeping
Cause: Improper torquing of fittings, damaged O-rings or seals, hose abrasion from rubbing against other components, or exceeding pressure limits.
Solution:Ensure fittings are tightened to manufacturer specifications using a torque wrench.
Always replace O-rings and seals when installing new hoses.
Inspect hose routing to ensure no contact with sharp edges or moving parts; use protective sleeves or clamps if necessary.
Verify that the hose's pressure rating matches or exceeds the system's maximum operating pressure.
Issue: Premature Hose Failure (Bursting/Cracking)
Cause: Exposure to extreme temperatures beyond its rating, chemical degradation, repeated bending past minimum bend radius, or using non-genuine/substandard hoses.
Solution:Only use genuine Hitachi hoses like the 4640838, which are engineered for the specific operating conditions.
Ensure proper hose length to avoid excessive tension or compression during machine operation.
Route hoses to avoid sharp bends; adhere to the manufacturer's specified minimum bend radius.
Protect hoses from chemical spills and extreme heat sources.
Issue: Contamination in Hydraulic System
Cause: Dirt or debris entering the hose during installation, or dirty hydraulic fluid.
Solution:Thoroughly clean all connection points before installing the new hose.
Cap or plug open hose ends immediately after removal and before installation to prevent contamination.
Regularly change hydraulic filters and fluid according to Hitachi's maintenance schedule.
For optimal performance and safety, always consult your Hitachi service manual and consider professional installation.
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4640838 HOSE Hitachi parts for ZX1800K-3, ZX850-3, ZX850-3F, ZX870H-3, ZX870H-3-HCMC, ZX870H-3F, ZX870R-3, ZX870R-3F
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