SWAFLY High-Performance Arm Cylinder for HITACHI ZX240-5A Excavator - P/N: 9309803H, 9309803H
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SWAFLY High-Performance Arm Cylinder for HITACHI ZX240-5A Excavator - P/N: 9309803H, 9309803H
Premium Arm Cylinder for HITACHI Excavators
SWAFLY is proud to present the heavy-duty hydraulic CYL.ARM (Arm Cylinder) specifically designed for the HITACHI ZX240-5A excavator. This critical component ensures the powerful and precise operation of your machine's arm linkage.
The key part number for this component is 9309803H, and for maximum search compatibility, we also list it as 9309803H. Trust SWAFLY for your demanding engineering machinery parts needs.
Product Specification and SWAFLY Quality
Our commitment is to supply high-quality construction machinery spare parts, including this essential HITACHI ZX240-5A Arm Cylinder. As a leading supplier of heavy equipment components, we ensure that every CYL.ARM meets strict performance standards.
Product Details:
Equipment Brand: HITACHI
Equipment Model: ZX240-5A
Component: CYL.ARM (Arm Cylinder)
Part Number (PN): 9309803H, 9309803H
Application: Hydraulic System, Arm Movement
We specialize in providing reliable spare parts, long-lasting excavator parts, precise machining parts, and cost-effective hydraulic parts. Our extensive inventory includes engine overhaul kit components, heavy duty excavator parts, and fast shipping parts for all major brands.
Main Product Focus: We are experts in engineering machinery parts, offering a vast range of components such as hydraulic pump, travel motor, swing motor, final drive, gear box, seal kit, and undercarriage parts. Whether you require OEM quality parts, aftermarket excavator parts, or genuine quality parts, SWAFLY is your wholesale construction parts partner.
Engineering Machinery Parts Glossary
Travel Motor: Converts hydraulic fluid power into rotation. Installed in the track drive system (Final Drive). Keyword: Caterpillar 320D Travel Motor
Swing Gearbox: A reduction unit that increases torque for the swing motor. Located in the upper structure (Turntable). Keyword: Komatsu PC200-8 Swing Gearbox
Pilot Pump: A small displacement pump used to generate low-pressure control oil. Often attached to the Main Hydraulic Pump. Keyword: JCB JS300 Pilot Pump
Track Roller: Supports the weight of the machine and guides the track chain. Located underneath the track frame (Undercarriage). Keyword: Volvo EC380D Track Roller
Seal Kit: A set of seals, O-rings, and backups to prevent fluid leakage. Used in hydraulic cylinders (e.g., this Arm Cylinder). Keyword: Kubota KX080-4 Bucket Cylinder Seal Kit
Turbocharger: A forced induction device used to increase an engine's power output. Bolted to the engine's exhaust manifold (Engine System). Keyword: Hyundai R210-7 Turbocharger
Water Pump: Circulates coolant through the engine block and radiator. Attached to the engine block (Cooling System). Keyword: Doosan DX225LC Water Pump
Bucket Teeth: The cutting edge components attached to the excavator bucket. Mounted on the bucket lip (Working Attachment). Keyword: John Deere 350G Bucket Teeth
Control Valve: Directs the flow of hydraulic fluid to various actuators. Centralized in the machine's mainframe (Hydraulic Main Control). Keyword: Sumitomo SH210-5 Control Valve
Final Drive: The last set of gears that reduces speed and increases torque before the tracks. The outer housing for the travel motor (Undercarriage). Keyword: Takeuchi TB290 Final Drive
Know Your Arm Cylinder (CYL.ARM)
The Arm Cylinder, or CYL.ARM, is one of the three main hydraulic cylinders on an excavator (Boom, Arm, and Bucket). It is crucial for extending and retracting the excavator's arm, providing the primary digging and reach function. A worn or leaking arm cylinder, such as the HITACHI 9309803H, can lead to slow cycle times, 'cylinder drift' (where the arm slowly drops under load), and wasted fuel. Proper maintenance, including regular seal kit replacement, is vital for hydraulic system longevity and the overall health of your HITACHI ZX240-5A.
Heavy Machinery Troubleshooting: Hydraulic Cylinder Drift
Equipment Example: Heavy Truck (Heavy-Duty Truck): Freightliner Cascadia
Fault: The hoist cylinder on a dump truck is slowly creeping down when held in the raised position (Cylinder Drift).
Potential Causes and Solutions:
Internal Leakage in Cylinder: Piston seal failure within the cylinder allows oil to bypass the piston. Solution: Disassemble the cylinder and replace the internal seal kit (similar to the seal kit for your HITACHI 9309803H cylinder).
Leakage in the Control Valve: The main control valve spool is not seating correctly, allowing oil to bleed back to the tank. Solution: Test the valve section; repair or replace the valve spool or valve assembly.
SWAFLY Global Service & Company Business
SWAFLY is a premier global provider of engineering mechanical components, specializing in high-quality excavator bucket teeth, track roller, carrier roller, sprocket, and idler components. Our mission is to provide global customers with reliable, cost-effective solutions for construction equipment maintenance and repair, focusing on the HITACHI brand and many others.
We are experts in supplying top-tier wholesale construction parts, including precise machining parts for heavy equipment components. Explore our dedicated resources:
Official Company Website: www.swaflyparts.com
HITACHI & Isuzu Parts: www.hitachi-isuzuparts.com
Machinery Engine Parts: www.machineryengine.com
Kubota Engine Parts: www.kubotaengine.ca
MTT Parts: www.mttparts.com
NEED A CUSTOM SOLUTION?
SWAFLY supports the design and production of custom spare parts, including modifications or specialized versions of this HITACHI CYL.ARM or any other hydraulic cylinder component. If you require unique dimensions, material specifications, or are developing a new model, our manufacturing service is ready to assist. Contact us for custom development of any heavy duty parts.
Quality Guaranteed: Get your reliable, genuine quality parts for the HITACHI ZX240-5A Arm Cylinder (9309803H, 9309803H) at competitive factory prices. Global shipping available. Secure your construction equipment maintenance with SWAFLY today!
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Next: SWAFLY Hitachi 9309804H ZX240-5A CYL BUCKET Cylinder Assembly
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