Place of Origin:
China
Brand Name:
Belparts
Certification:
CE
Model Number:
ZX210LC-5N ZX210-5N
Hitachi ZX210-5N / ZX210LC-5N Stick Hydraulic Cylinder | PN:9234748H | Premium Aftermarket Replacement
1.Product Overview
This heavy-duty dipper arm hydraulic cylinder is precision manufactured aftermarket direct replacement exclusively designed for Hitachi ZX210-5N standard chassis excavator and extended long-track ZX210LC-5N medium construction digger. As the core stretch-and-retract power unit of front digging attachments, it delivers stable digging force for municipal road reconstruction, residential foundation excavation, pipeline trenching and medium aggregate stockyard loading work. It is a core restocking spare widely favored by urban equipment repair shops, medium-scale excavator rental fleets and cross-border parts wholesalers specializing in Hitachi 5N series mid-size excavators.
All production procedures strictly comply with Hitachi original OEM design drawings and assembly tolerance standards. Mount lug spacing, pin hole bore size, copper bushing inner aperture and hydraulic oil port angle fully match exclusive part number 9234748H. Plug-and-play bolt installation without on-site cutting, grinding or welding adjustments, which effectively reduces maintenance labor cost and avoids long construction downtime caused by sudden hydraulic cylinder failure.
Basic Product Information Table
| Item | Detailed Specification |
|---|---|
| Full Product Name | Complete Dipper Arm (Stick) Hydraulic Cylinder Assembly |
| Applicable Machinery | Hitachi ZX210-5N Standard Track, ZX210LC-5N Long Track Medium Excavator |
| OEM Reference PN | 9234748H |
| Product Grade | Reinforced aftermarket hydraulic assembly for medium-heavy construction worksites |
| Quality Warranty | 12-month full warranty covering all factory manufacturing defects |
| Minimum Order Quantity | 1 unit, sufficient spot stock for immediate delivery |
| QC Control Standard | ISO9001 full-process traceable production; 100% high-pressure airtight leak test & full-stroke reciprocating fatigue impact test before packing |
2.Core Technical Parameters
| Technical Index | Standard Value |
|---|---|
| Cylinder Tube Inner Bore | 112 mm |
| Hard Chrome Plated Piston Rod Diameter | 72 mm |
| Effective Working Stroke | 1230 mm |
| Rated System Operating Pressure | 31.4 MPa |
| Factory Hydraulic Proof Test Pressure | 47.1 MPa (1.5 times rated working pressure for full internal & external leakage inspection) |
| Barrel Raw Material | High tensile seamless alloy steel with deep precision inner honing, forming ultra-smooth low-friction inner wall to resist long-hour medium-load hydraulic fluid abrasion on construction sites |
| Piston Rod Surface Treatment | 40CrMo quenched & tempered base alloy, 28–32μm compact hard chrome coating, surface hardness HRC68–72, great resistance to scratches and bending deformation from gravel, concrete and tree root collisions |
| Matching Dedicated Seal Kit PN | 9234748H-KIT |
| Safe Operating Temperature Range | -25℃ ~ +85℃ |
| Structural Feature | Thickened integrated arm connection lugs equipped with oversized self-lubricating copper alloy wear bushings; single-stage built-in buffer valve to buffer instantaneous end-stroke impact and lower vibration noise during frequent arm extension & retraction cycles |
Unique Product Selling Points
Dual Chassis Universal Fit for ZX210-5N & ZX210LC-5N New-Generation Models
Part No.9234748H is specially customized stick cylinder assembly compatible with both standard and long-frame ZX210-5N variants without dimensional deviation. All connection geometric sizes fully replicate genuine Hitachi OEM components, perfectly docking original arm linkages and matched hydraulic pipelines. It completely eliminates assembly offset issues leading to premature seal aging and continuous oil leakage caused by forced installation.
5N Series Optimized Anti-Impact Reinforced Structure for Urban Construction
Different from generic thin-wall hydraulic cylinders, this model upgrades cylinder barrel and cast lug thickness targeting the high-frequency short-cycle working characteristics of Hitachi ZAXIS 5N series excavators. It withstands long-term alternating medium loads and accidental minor collisions common on municipal job sites, achieving far longer service life than ordinary non-reinforced aftermarket alternatives.
Two Independent Offline Pre-Shipment Inspections Eliminate Hidden Quality Risks
Each finished cylinder passes two rigorous offline testing flows before leaving factory. Full-stroke reciprocating fatigue test simulates uninterrupted all-day urban earthmoving to verify integral structural rigidity; long-time high-pressure soaking airtight inspection comprehensively scans all internal and external leakage points. All unqualified products are fully screened out before warehousing to prevent unexpected construction shutdown losses for end users.
Cost-Effective Replacement for Fleets Equipped with Hitachi ZX210-5N Series Diggers
Original Hitachi OEM spare parts for ZX210-5N carry high unit prices and often have long delivery lead times. This aftermarket stick cylinder delivers equivalent structural toughness, smooth operation stability and service cycle as authentic factory parts at a competitive price, significantly cutting long-term repeated maintenance expenses for independent repair garages and medium rental enterprises.
Diversified Global Logistics Modes to Meet Different Customer Delivery Demands
All in-stock goods can be dispatched within 3 working days after payment confirmation. Air express supports emergency rush orders for sudden equipment breakdowns at remote construction sites; consolidated bulk sea cargo and full FCL container shipping provide cost-saving wholesale transport plans for machinery distributors covering municipal construction markets across Africa, Southeast Asia and the Middle East.
Factory Production Strength Introduction
Our factory has more than ten years of professional R&D and mass production experience in hydraulic cylinders for Hitachi ZAXIS 5N series medium excavators, covering mainstream ZX210-5N and ZX210LC-5N models. We own complete supporting production lines including heavy precision forging, deep inner honing, integral heat treatment and automatic chrome plating, equipped with professional load simulation test benches to restore real municipal construction working environments and continuously upgrade product anti-shock durability. Our construction-grade aftermarket hydraulic cylinder lineup is exported to dozens of countries worldwide all year round, gaining stable long-term cooperative trust and consistent favorable reviews from global medium machinery spare parts distributors with precise new-generation model matching and stable uniform quality.
Regular Customer FAQ
Q1: Can this stick cylinder fit Hitachi ZX210-5 or ZX240LC-5N excavators?
A: Cross-model installation is not supported. Different Hitachi excavator generations and models adopt exclusive OEM part numbers and unique lug mounting geometric sizes without interchangeability. Please confirm your complete machine model before placing orders.
Q2: Does standard delivery package include the matching seal repair kit?
A: Standard packaging only contains the complete dipper arm cylinder assembly. The dedicated 9234748H-KIT seal kit needs separate purchase, and we can provide a preferential bundled quotation if customers order the cylinder and seal kit together.
Q3: What anti-rust and anti-collision protective measures are adopted for long-distance ocean transportation?
A: Anti-rust hydraulic oil is fully injected into front and rear cylinder chambers to avoid internal corrosion; thick anti-rust grease is evenly coated on the entire exposed piston rod surface. The whole cylinder assembly is wrapped with multi-layer heavy waterproof PE film and fixed inside reinforced thick plywood export crates to prevent scratches, impact deformation and moisture erosion during lengthy cross-ocean transit.
Q4: Will tiered volume discounts apply when purchasing a full boom + arm + bucket cylinder set for ZX210-5N series?
A: Yes. Orders of complete front working device cylinder sets enjoy progressive bulk purchase discounts. Consolidated full-container sea shipping service is also supported to cut overall international logistics costs for large batch orders.
Q5: What after-sales technical support can I get if oil leakage occurs within the 12-month warranty period?
A: Please provide clear photos of the leakage position and excavator serial number for verification. We will arrange free replacement sealing accessories and detailed step-by-step remote maintenance operation guidance in a timely manner to solve leakage faults rapidly without delaying construction progress.
Send your inquiry directly to us