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SGZX330-5 Arm Cylinder 4711562
SGZX330-5 Arm Cylinder 4711562
Replacement Arm Cylinder for Hitachi ZX330 / ZX350 Series.
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Part Number: 4711562.
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Fits: ZX330-5G, ZX350LC-5B, ZX330-6, ZX330-5A.
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Position: Stick / Arm.
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Quality: High-tensile steel with NOK seals.
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Warranty: 1 Year Factory Warranty.
4628636
4711562
4711563
4628636
4711562
4711563
The SGZX330-5 Arm Cylinder is a premium aftermarket hydraulic cylinder manufactured by SEIGO Machinery for the Hitachi ZAXIS-5 and ZAXIS-6 series excavators. Engineered to replace OEM Part Number 4711562, this cylinder delivers precise control and robust durability for general construction and heavy earthmoving applications.
Designed to fit a wide range of 30-ton class machines, including the ZX330-5G, ZX350LC-5B, and ZX330-6, our Stick Cylinders are built with high-grade steel and advanced sealing technology to ensure smooth operation and long service intervals.
Technical Specifications
| Feature | Specification |
| Part Number | 4711562 |
| Compatible Models | Hitachi ZX330-5G / ZX330-5A / ZX330-6 |
| Heavy Duty Models | Hitachi ZX350LC-5B / ZX350LC-6 |
| Position | Arm Cylinder / Stick Cylinder |
| Rod Material | 42CrMo4 Induction Hardened (Impact Resistant) |
| Sealing System | NOK / Parker (High-Performance) |
| Tube Material | ST52 / E355 High-Tensile Honed Tube |
| Warranty | 12 Months / 2000 Hours |
| Condition | 100% New Manufacturing |
Key Features & Reliability
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Broad Compatibility: Specifically machined to fit the linkage geometry of Hitachi ZX330 and ZX350 series, ensuring a direct drop-in replacement for part number 4711562 without modifications.
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Enhanced Rod Protection: The piston rod is induction hardened and chrome plated to resist scoring from dust and grit, which is critical for maintaining seal integrity in dusty construction sites.
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Superior Sealing: Equipped with high-quality NOK seals to prevent internal bypassing and external leakage, maintaining the excavator’s digging speed and arm holding capability.
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Rigorous Testing: Each cylinder undergoes pressure testing to 1.5x operating pressure to guarantee structural safety before shipment.
Applications
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General Construction & Infrastructure
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Road Building
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Quarrying and Earthmoving
