BELPARTS MACHINERY LIMITED
| Certifiion | CE |
| Part name | Hydraulic Boom Cylinder |
| Part number | 225-4522 2254522 |
| Delivery Time | 3-7 Day |
| Condition | New |
| Emission standards | Stage V |
| Payment Terms | L/C,D/A,D/P,T/T,TRADE ASSURANCE,WEST UNION,PAYPAL |
| Warranty | 1 Year |
| Quality | Aftermarket High Quality |
| Supply Ability | 100 PCS / Months |
| Shipment | DHL FEDEX TNT EMS UPS / Ses / Air |
| Model | 345CL |
| Packaging Details | Wooden Case Packing |
| Appliion | Excavator |
| Model Number | 345CL |
| Brand Name | Belparts |
| Place of Origin | China |
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Product Specification
| Certifiion | CE | Part name | Hydraulic Boom Cylinder |
| Part number | 225-4522 2254522 | Delivery Time | 3-7 Day |
| Condition | New | Emission standards | Stage V |
| Payment Terms | L/C,D/A,D/P,T/T,TRADE ASSURANCE,WEST UNION,PAYPAL | Warranty | 1 Year |
| Quality | Aftermarket High Quality | Supply Ability | 100 PCS / Months |
| Shipment | DHL FEDEX TNT EMS UPS / Ses / Air | Model | 345CL |
| Packaging Details | Wooden Case Packing | Appliion | Excavator |
| Model Number | 345CL | Brand Name | Belparts |
| Place of Origin | China | ||
| High Light | Hydraulic Boom Cylinder for Excavator ，Excavator Spare Parts 225-4522 ，Aftermarket Hydraulic Cylinder Assy | ||
This heavy-duty aftermarket hydraulic boom cylinder is precision manufactured as a direct interchangeable replacement for erpillar 345CL large excavator. As the core hydraulic power component of front working assembly, it controls boom lifting and lowering to finish heavy rock excavation, bulk ore loading, large-area ground leveling and heavy earthmoving tasks. Widely applied in open-pit mines, granite quarries, highway infrastructure and large-scale construction projects.
All cylinders are strictly produced in accordance with erpillar OEM technical standards, with fully consistent mounting dimensions, pin hole spacing and hydraulic port layout. Direct bolt-on installation can be completed on site without cutting, welding or any secondary modifi ion work.
| Item | Specifi ion |
|---|---|
| Product Name | Hydraulic Boom Cylinder |
| Applicable Model | erpillar 345CL Excavator |
| OEM Part Number | 225-4522, 2254522 (Two codes correspond to one cylinder assembly) |
| 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 & cyclic fatigue testing before shipment |
| # | Part No. | Description | Qty |
|---|---|---|---|
| All | 2254522 | CYLINDER & SEAL GROUP-BOOM | 1 |
| 1 | 3B8489 | FITTING-GREASE; (FAN AND ALTERNATOR DRIVE) | 1 |
| 2 | 9X4598 | SEAL; (OD=130.18mm) | 4 |
| 3 | 2254523 | CYLINDER GROUP-BOOM | 1 |
| 4 | 8T6757 | PLUG; (PIPE) (1/8-27 NPTF THD) | 1 |
| ---- | SEPARATE ILLUSTRATION |
| Spec Item | Data |
|---|---|
| Bore Diameter | 152mm |
| Piston Rod Diameter | 98mm |
| Working Stroke | 1580mm |
| Rated Working Pressure | 31.4MPa |
| Factory Test Pressure | 47.1MPa (1.5 times rated working pressure) |
| Barrel Material | High-tensile seamless alloy steel with precision deep inner honing |
| Piston Rod | 40CrMo heat-treated steel, 28~32μm hard chrome plating, HRC68–72, outstanding wear resistance & anti-bending performance for heavy mining loads |
| Matching Seal Kit PN | 225-4522K |
| Working Temperature | -25℃ ~ +85℃ |
| Structure Feature | Double heavy-duty thickened ear lugs with large quenched copper wear bushings, built-in heavy buffer valve to absorb violent impact during recipro ing movement |
225-4522 and 2254522 are two coding formats for the same boom cylinder. All structural dimensions perfectly match original parts, seamlessly connecting boom linkages and hydraulic pipelines to guarantee stable long-hour heavy-load mining operation.
Thickened cylinder barrel and integrated reinforced lug plates are optimized for harsh quarry and mine environments, resisting long-term cyclic heavy loads, rock collision impacts and abrasion to greatly extend service life.
Each finished cylinder undergoes repeated full-stroke recipro ing cycle test and high-pressure airtight leak detection, completely eliminating hidden internal and external oil leakage risks to avoid unexpected equipment downtime.
It delivers identical structural strength, stability and service lifespan as genuine OEM spare parts, effectively lowering repeated procurement costs for mine repair shops, heavy equipment rental fleets and global machinery spare parts wholesalers.
In-stock goods can be dispatched within 3 working days. Air freight serves urgent breakdown rush orders; sea freight offers cost-effective bulk wholesale shipping for Africa, Southeast Asia, Middle East and Latin American mining markets.
Our factory has over 10 years of mature experience in R&D and manufacturing hydraulic cylinders for classic CL series large excavators including 345CL. We supply complete boom, arm and bucket cylinder assemblies with mature heavy forging, precision honing and professional heat treatment craft, plus full-process strict quality control systems. Our aftermarket hydraulic cylinders are exported to global aftermarket markets all year round, winning long-term trust and consistent favorable feedback from worldwide machinery spare parts dealers.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2013
Total Annual:
$28000000-$41660000
Employee Number:
1200~1300
Ecer Certification：
Verified Supplier
Since 2013 Excavator Hydraulic Parts Manufacturer & Global Supplier Since 2013 Belparts Machinery Limited — Your Trusted Partner in Excavator Hydraulic Parts Who We Are Founded in September 2013 and headquartered in Guangzhou, China's premier engineering machinery hub, Belparts ha... Since 2013 Excavator Hydraulic Parts Manufacturer & Global Supplier Since 2013 Belparts Machinery Limited — Your Trusted Partner in Excavator Hydraulic Parts Who We Are Founded in September 2013 and headquartered in Guangzhou, China's premier engineering machinery hub, Belparts ha...
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