Excavator Parts 9250921 9250922 Swing Reducer Zx850-3 Zx850 Swing Gearbox for Hitachi
High-Quality Hitachi ZX850-3 ZX850 Excavator Swing Reducer Gearbox 9250921 9250922Welcome to Swafly Machinery Co., Limited – Your Trusted Source for Excavator Spare Parts and Mining Equipment Parts. W
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High-Quality Hitachi ZX850-3 ZX850 Excavator Swing Reducer Gearbox 9250921 9250922Welcome to Swafly Machinery Co., Limited – Your Trusted Source for Excavator Spare Parts and Mining Equipment Parts. W
High-Quality Hitachi ZX850-3 ZX850 Excavator Swing Reducer Gearbox 9250921 9250922
Welcome to Swafly Machinery Co., Limited – Your Trusted Source for Excavator Spare Parts and Mining Equipment Parts. We specialize in providing reliable, high-performance replacement components to keep your heavy machinery operating at peak efficiency. Discover our premium **Hitachi ZX850-3 ZX850 Swing Reducer**, crucial for the smooth and powerful rotation of your excavator's upper structure.
Product Spotlight: Hitachi ZX850 Swing Reducer Gearbox
This offering features the essential **Swing Reducer Gearbox** designed specifically for **Hitachi ZX850** and **Hitachi ZX850-3** excavators. Available under part numbers 9250921 and 9250922, this component is a critical part of the excavator's **hydraulic swing system**. It translates the rotational force from the **swing motor** into the required torque and speed to rotate the excavator's body smoothly and precisely.
A properly functioning **swing gearbox** is paramount for operational efficiency, safety, and productivity on any job site, especially for large machines like the **ZX850** series used in demanding applications
Key Features and Advantages
Exact Fit & Compatibility: Engineered as a direct replacement for **Hitachi ZX850** and **ZX850-3** models, ensuring seamless installation and operation.
High-Quality Construction: Manufactured using durable materials and precision engineering to withstand the extreme loads and stresses of heavy-duty excavation.
Reliable Performance: Provides consistent and reliable power transmission for smooth, controlled swinging motion, critical for accurate material placement and cycle times.
Enhanced Durability: Designed for extended service life, reducing the frequency and cost of replacements and minimizing equipment downtime.
Cost-Effective Solution: Offers a high-quality alternative to OEM parts without compromising on performance or reliability.
Applicable Models and Applications
This **Swing Reducer Gearbox** is specifically compatible with:
Hitachi ZX850 Excavator
Hitachi ZX850-3 Excavator
The **Hitachi ZX850** and **ZX850-3** are heavy-duty hydraulic excavators widely used in the most demanding applications, including:
Large-scale construction projects
Mining operations (quarrying, overburden removal)
Heavy earthmoving and material handling
Infrastructure development
In these intense environments, the **swing gearbox** is constantly under stress, making its reliability paramount. Replacing a worn or failed unit with our high-quality part ensures your **Hitachi excavator** maintains its critical slewing capability for efficient loading, digging, and positioning tasks. Case studies in various mining and large construction sites have demonstrated the consistent performance of excavators equipped with reliable **swing drive parts**, highlighting their direct impact on project timelines and profitability.
Why Choose Swafly Machinery Co., Limited?
At Swafly Machinery Co., Limited, based at https://www.hitachi-isuzuparts.com, we are dedicated to providing top-tier excavator spare parts and mining equipment parts. Our extensive inventory covers a wide range of components for popular brands like Komatsu, Caterpillar, and especially Hitachi.
Our main business encompasses critical areas of heavy machinery maintenance:
Mechanical Engine Parts: Offering diesel engines and components for various brands, including Mercedes-Benz, KUBOTA, Cummins, Volvo Penta, Deutz, and Yanmar, along with assembly and service.
Hydraulic System Components: Specializing in hydraulic pumps (like Kawasaki), main control valves, hydraulic travel/swing motors, and valve assemblies.
Undercarriage System Parts: Including final drives (travel motors), swing gearboxes (like this **Hitachi Swing Reducer**), and other related components.
Other Key Spare Parts: Such as oil pans, filters, camshafts, gaskets, hose assemblies, covering comprehensive maintenance needs.
We pride ourselves on the **quality** and **reliability** of our parts, competitive pricing, and expert customer support to help you find exactly what you need to minimize downtime and maximize the lifespan of your **Hitachi** and other heavy equipment.
Frequently Asked Questions (FAQs)
Q1: What are the common signs that my Hitachi ZX850 swing reducer needs replacement?
A: Watch out for unusual noises (grinding, whining) during swinging, decreased or jerky swing speed, excessive vibration, or oil leaks around the swing drive area.
Q2: Is this swing gearbox an original Hitachi part?
A: This is a high-quality, reliable aftermarket replacement part. It is engineered and manufactured to meet or exceed the performance and durability standards of the original **Hitachi** part, offering a cost-effective solution.
Q3: How does replacing the swing reducer improve my excavator's performance?
A: A new, well-functioning **swing reducer** ensures smooth, consistent, and powerful rotation, restoring optimal swing speed and torque. This directly improves your excavator's cycle times, precision, and overall operational efficiency, which is vital for models like the **Hitachi ZX850-3**.
Troubleshooting, Repair, and Maintenance Tips
Troubleshooting: If you experience swing issues, first check the hydraulic fluid level and condition. Inspect the swing motor and hydraulic lines for obvious damage or leaks. If these seem fine but problems persist (noise, sluggishness), the **swing reducer** is a likely culprit. Listen closely to the source of the noise during rotation.
Repair Suggestion: Repairing a severely damaged **swing gearbox** is often complex and may not be cost-effective. Replacement with a new, high-quality unit like our **9250921 9250922** is typically the most reliable and long-term solution to restore performance and prevent further damage to connected components. Ensure the area is clean during replacement to avoid contamination.
Maintenance Tips: Regular maintenance is key to prolonging the life of your **Hitachi swing reducer**. Follow the manufacturer's recommended schedule for checking and changing the gear oil inside the reducer. Use the correct type and viscosity of oil. Periodically check the mounting bolts to ensure they are tight. Inspect the seals for any signs of leakage and address them promptly.
Hitachi Excavator & Mining Equipment Parts Glossary
Below are definitions for various **Hitachi excavator** and **mining equipment parts**:
Fuel Injector (燃油喷射器, форсунка топливная) - Part of the Engine fuel system, delivering fuel to the cylinders. Example: Hitachi EX1200-6 Engine Fuel Injector.
Hydraulic Cylinder Seal Kit (液压缸密封件, комплект уплотнений гидроцилиндра) - Located within Hydraulic Cylinders, preventing fluid leaks. Example: Hitachi ZX470-5G Hydraulic Cylinder Seal Kit.
Track Roller (支重轮, каток опорный) - Part of the Undercarriage, supporting the weight of the machine and guiding the track. Example: Hitachi ZX330-3 Undercarriage Track Roller.
Oil Cooler (油冷却器, маслоохладитель) - Typically near the Radiator or Engine, cooling hydraulic or engine oil. Example: Hitachi Zaxis 870H-3 Oil Cooler.
Main Control Valve (主控制阀, главный распределитель) - Core of the Hydraulic System, directing fluid flow to actuators. Example: Hitachi EX200-5 Main Control Valve.
Idler (引导轮, ленивец) - Located at the front of the Undercarriage, guiding and tensioning the track. Example: Hitachi ZX170W-3 Idler.
Radiator (散热器, радиатор) - Part of the Engine cooling system, dissipating heat. Example: Hitachi EX400-5 Radiator.
Swing Motor (回转马达, гидромотор поворота) - Connects to the Swing Reducer, providing hydraulic power for rotation. Example: Hitachi ZX240-3 Swing Motor.
Cab Assembly (驾驶室总成, кабина в сборе) - The operator's compartment on the upper structure. Example: Hitachi Zaxis 200-3 Cab Assembly.
Track Chain (履带链, гусеничная цепь) - Part of the Undercarriage, forming the continuous track link system. Example: Hitachi ZX600-3 Track Chain.
Get Your High-Quality Hitachi Swing Reducer Today!
Don't let a faulty **swing gearbox** slow down your operations. Contact Swafly Machinery Co., Limited for reliable replacement **excavator parts**.
Inquire about the Hitachi ZX850-3 ZX850 Swing Reducer Gearbox 9250921 9250922 or explore our full range of Hitachi parts and other heavy equipment spares.
Visit our website: https://www.hitachi-isuzuparts.com
Contact us for pricing and availability!
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