Hitachi EX200LC-5 EX200-5 Hydraulic Boom Cylinder 110mm Bore 9150145 Aftermarket
EX200LC-5 / EX200-5 Hydraulic Boom Cylinder for Hitachi Excavator | PN:9150145 | Premium Aftermarket Replacement
1. Basic Product Info
This trustworthy aftermarket hydraulic boom cylinder is specially developed to replace original components for Hitachi EX200LC-5 and EX200-5 medium excavators. As a core driving part of the working mechanism, it controls the lifting and lowering movements of the boom to finish regular excavation, material handling and ground levelling tasks. It is widely applied in municipal construction, rural earthworks, road maintenance and general infrastructure projects. All products are manufactured strictly in accordance with Hitachi OEM specifications, featuring identical mounting sizes, pin hole spacing and hydraulic connector layout. Field installation can be completed via direct bolt-on assembly without any cutting, welding or extra modifications.
| Item | Specification |
|---|---|
| Product Name | Hydraulic Boom Cylinder |
| Applicable Model | Hitachi EX200LC-5, EX200-5 Excavator |
| OEM Part Number | 9150145 |
| Product Grade | Brand New High-Quality Aftermarket |
| Warranty | 12 months against manufacturing defects |
| MOQ | 1 unit, ample stock for immediate delivery |
| QC Standard | ISO9001 certified, full hydraulic pressure and cyclic tests before shipment |
2. Core Technical Parameters

| # | Part No. | Description | Qty |
|---|---|---|---|
| 9150145 | BOOM CYLINDER | 1 | |
| 00 | 4317394 | . CYL.; BOOM | 1 |
| 01 | 4352398 | . BUSHING | 4 |
| Spec Item | Data |
|---|---|
| Bore Diameter | 110mm |
| Piston Rod Diameter | 72mm |
| Working Stroke | 1120mm |
| Rated Working Pressure | 31.4MPa |
| Factory Test Pressure | 47.1MPa (1.5 times the rated working pressure) |
| Barrel Material | High-tensile seamless alloy steel with precision inner honing |
| Piston Rod | 40CrMo heat-treated steel, 28~32μm hard chrome plating, HRC68~72 for superior wear resistance and anti-deformation performance |
| Matching Seal Kit PN | 9150145K |
| Working Temperature | -25℃ ~ +85℃ |
| Structure | Double ear lugs with quenched copper wear bushings, built-in buffer device to reduce impact during operation |
3. Product Advantages
- Full Original Equipment Fit: Every structural dimension and assembly detail matches the original part precisely, connecting seamlessly with boom linkages and hydraulic pipelines to deliver stable performance during long shifts.
- Optimized Medium-Duty Structure: The cylinder tube and connecting lugs adopt targeted reinforcement design, well adapted to frequent operations of medium excavators and capable of resisting daily loads and accidental impacts.
- Strict Pre-Delivery Quality Checks: Each finished cylinder undergoes repeated full-stroke reciprocating tests and high-pressure airtight inspections to eliminate the risk of internal and external oil leakage thoroughly.
- Remarkable Cost Efficiency: It delivers the same reliable performance and long service life as genuine Hitachi parts, helping repair shops and spare parts wholesalers cut down recurring procurement expenses effectively.
- Convenient Shipping Solutions: In-stock items can be dispatched within 3 working days. Air freight is available for urgent orders, while sea freight remains the most budget-friendly choice for bulk purchases.
4. Supplier Brief
Our manufacturing base has focused on the design and production of hydraulic cylinders for Hitachi classic EX series excavators for over a decade. We supply a complete range of boom, arm and bucket cylinders for EX200-5 and other mainstream models. With mature production craftsmanship and rigorous quality control standards, our products are exported to numerous aftermarket markets in Africa, Southeast Asia and the Middle East, earning steady praise from global clients.
5. FAQ
Q1: Can this boom cylinder work on EX190-5 or EX210-5 excavator models?
A: No. Different Hitachi models are equipped with exclusive part numbers and structural dimensions, so they are not interchangeable. Please confirm your excavator model before placing orders.
Q2: Does the standard package include the matching seal repair kit?
A: The seal repair kit is not included in standard products. You can purchase the dedicated kit separately, and we will offer a competitive price for combined orders.
Q3: What packaging is used for long-distance sea transportation?
A: Anti-rust oil is injected into the cylinder interior, and anti-rust grease is coated on the piston rod. The whole product is wrapped with waterproof PE film and packed in sturdy export plywood cases.
Q4: Can we get discounted rates when ordering a full set of working device cylinders?
A: Yes. Orders for complete cylinder sets enjoy tiered discounts. We also provide consolidated shipment service to help you save logistics costs.
Q5: What support can you provide if oil leakage occurs within the warranty period?
A: Please take clear photos of the leakage area and provide the excavator serial number. We will arrange free seal replacement and professional remote technical guidance in a timely manner.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.