Hitachi - Excavator Parts - ZX870H-3 - 4644073 - HOSE
Hitachi Excavator Parts: Durable Hose 4644073 for ZX870H-3Product OverviewElevate the performance and reliability of your heavy machinery with our genuine Hitachi Excavator Hose, part number 4644073,
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Hitachi Excavator Parts: Durable Hose 4644073 for ZX870H-3Product OverviewElevate the performance and reliability of your heavy machinery with our genuine Hitachi Excavator Hose, part number 4644073,
Hitachi Excavator Parts: Durable Hose 4644073 for ZX870H-3
Product Overview
Elevate the performance and reliability of your heavy machinery with our genuine Hitachi Excavator Hose, part number 4644073, specifically designed for the Hitachi ZX870H-3 Excavator. This critical component ensures optimal hydraulic fluid transfer, maintaining the efficiency and responsiveness of your equipment even in the most demanding operating conditions. Manufactured to Hitachi's rigorous standards, this hose guarantees a perfect fit and exceptional durability, minimizing downtime and maximizing productivity.
Product Parameters & Key Advantages
Part Number: 4644073
Applicable Model: Hitachi ZX870H-3 Excavator
Material: Constructed from high-grade, reinforced synthetic rubber and robust fittings for superior resistance to pressure, abrasion, and environmental elements.
Pressure Rating: Engineered to withstand the high hydraulic pressures inherent in heavy-duty excavator operations, preventing leaks and bursts.
Temperature Resistance: Maintains flexibility and integrity across a wide range of operating temperatures, from extreme cold to intense heat.
Precision Fit: Designed as an OEM replacement, ensuring seamless integration and optimal performance within the ZX870H-3 hydraulic system.
Durability: Built to endure the harsh conditions of construction sites, offering extended service life and reducing the need for frequent replacements.
Enhanced Efficiency: Contributes to the smooth and efficient operation of your excavator's hydraulic functions, leading to improved cycle times and overall productivity.
Applicable Equipment & Application Scenarios
This genuine Hitachi hose (Part No. 4644073) is specifically engineered for the Hitachi ZX870H-3 Excavator. The ZX870H-3 is a high-capacity hydraulic excavator known for its robust performance in large-scale earthmoving and construction projects.
Application Scenarios:
Mining Operations: Used for overburden removal, loading haul trucks, and various excavation tasks in surface mines, where continuous, heavy-duty operation is standard.
Large-Scale Construction Projects: Ideal for foundational digging, trenching, and material handling in major infrastructure developments like highways, dams, and commercial building sites.
Quarrying: Efficiently excavating and loading aggregates, rocks, and other materials in quarry environments, where machinery experiences significant wear and tear.
Demolition: Capable of handling the heavy impact and stress associated with dismantling large structures, requiring durable and reliable hydraulic components.
Case Study: A mining company utilizing a fleet of Hitachi ZX870H-3 excavators in an open-pit coal mine experienced recurring hose failures with aftermarket parts, leading to significant operational delays. Upon switching to genuine Hitachi Hose 4644073, they observed a 30% reduction in hydraulic system downtime over a six-month period, directly contributing to increased coal extraction rates and improved overall efficiency. The superior material quality and precise fit of the genuine hose significantly extended its service life in the harsh, abrasive mining environment.
Related Products
To ensure the comprehensive maintenance of your Hitachi excavator's hydraulic system and other critical functions, consider these related genuine Hitachi parts:
Hydraulic Cylinders: Essential for boom, arm, and bucket movements. Applicable to: Hitachi ZX870H-3, ZX470H-3, EX1200-6.
Hydraulic Pumps: The heart of the hydraulic system, providing pressure for all functions. Applicable to: Hitachi ZX870H-3, ZAXIS 450, ZAXIS 670LCH-5A.
O-Rings and Seals: Crucial for preventing leaks and maintaining hydraulic integrity. Applicable to a wide range of Hitachi excavator models, including ZX870H-3, ZX330, ZX200.
Oil Filters: Essential for keeping hydraulic fluid clean and extending the life of components. Applicable to: All Hitachi excavator models, including ZX870H-3, ZX130-5G, EX300-5.
Undercarriage Components (Tracks, Rollers, Idlers): For optimal mobility and stability. Applicable to: Hitachi ZX870H-3, ZX470LC-5G, ZX200-3.
Installation & Maintenance: Common Issues & Solutions
Proper installation and regular maintenance are paramount for the longevity and performance of your Hitachi excavator hoses.
Common Installation Issues:
Incorrect Torque on Fittings: Overtightening can damage threads or fittings, while undertightening leads to leaks.
Solution: Always refer to the Hitachi service manual for specified torque values. Use a calibrated torque wrench.Hose Kinking or Twisting: Improper routing can cause kinks, restricting flow and leading to premature failure. Twisting puts undue stress on the hose.
Solution: Ensure hoses follow their intended path without sharp bends. Avoid twisting during installation by aligning fittings correctly before tightening.Contamination: Dirt or debris entering the hydraulic system during installation can cause significant damage.
Solution: Clean all connection points thoroughly before assembly. Cap open lines and fittings when not working on them.
Common Maintenance Issues & Solutions:
Visible Leaks: Indicates a compromised hose or fitting.
Solution: Inspect the entire length of the hose and all fittings. Replace the damaged hose immediately. Check for loose connections and tighten to spec.Abrasion/Chafing: Hoses rubbing against other components or sharp edges.
Solution: Implement proper routing with sufficient clearance. Use protective sleeves or clamps in areas prone to abrasion.Hardening/Cracking of Hose Material: Often due to exposure to extreme temperatures or chemicals, or simply age.
Solution: Regular visual inspections. Replace hoses showing signs of degradation proactively, even if they aren't leaking. Store spare hoses in a cool, dry place away from direct sunlight.Pressure Drops/Sluggish Operation: Could indicate internal hose damage or blockages.
Solution: Consult a qualified technician to diagnose internal issues. It may necessitate flushing the hydraulic system or replacing the affected hose.
Regular preventative maintenance, including routine inspections and adherence to manufacturer guidelines, is crucial for maximizing the lifespan of your hydraulic hoses and ensuring the continuous, efficient operation of your Hitachi ZX870H-3 excavator.
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