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This high-grade aftermarket hydraulic boom cylinder is specially developed as a compatible replacement for Komatsu PC200LC-5 and PC200-5 classic medium excavators. As a core hydraulic component, it manages the lifting and lowering movements of the boom, widely applied in municipal construction, site leveling and general earthmoving projects.
All units are manufactured in strict accordance with original OEM specifiions, featuring identical mounting dimensions, pin hole spacing and hydraulic port configuration. Operators can complete direct bolt-on installation on site without any cutting, welding or secondary adjustment work.
Item
Specifiion
Product Name
Hydraulic Boom Cylinder
Applicable Model
Komatsu PC200LC-5, PC200-5
OEM Part Number
205-63-02100, 206-63-53320
Product Grade
Brand New High-Quality Aftermarket
Warranty
12 months against manufacturing defects
MOQ
1 unit, sufficient stock for immediate delivery
QC Standard
ISO9001 certified, full hydraulic pressure and cyclic tests before shipment
Technical Specifiions
Spec Item
Data
Bore Diameter
115mm
Piston Rod Diameter
75mm
Working Stroke
1260mm
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 reliable wear resistance and anti-deformation performance
Matching Seal Kit PN
205-63-02100K
Working Temperature
-25℃ ~ +85℃
Structure
Double ear lugs with quenched copper wear bushings, built-in buffer device to mitigate impact during operation
Product Advantages
Dual Part Number Interchangeability: The two listed OEM numbers are fully compatible, perfectly matching the original boom assembly and hydraulic pipelines for stable operational performance.
Rugged Industrial Structure: The cylinder tube and connection lugs are structurally reinforced to withstand continuous cyclic loads and occasional impacts in complex construction environments.
Strict Multi-Round Inspection: Every finished cylinder undergoes full-stroke reciproing tests and high-pressure airtightness checks to eliminate risks of internal and external oil leakage.
Optimized Cost Efficiency: It delivers the same durability and working performance as genuine parts, helping spare parts vendors and maintenance teams lower overall procurement costs.
Customizable Shipping Solutions: In-stock products can be dispatched within 3 working days. Air freight is available for urgent orders, while sea freight is recommended for large-scale bulk orders.
Manufacturer Profile
Our manufacturing facility has focused on producing hydraulic cylinders for early-generation Komatsu medium excavators for over a decade. We provide a complete lineup of boom, arm and bucket cylinders for PC200 series and other classic models. Our products have gained wide recognition and are continuously exported to aftermarket markets across Africa, Southeast Asia and the Middle East.
Frequently Asked Questions
Q1: Can this boom cylinder fit PC200-3 or PC200-6 models?
A: No. Different generations of PC200 excavators adopt exclusive part numbers and structural dimensions, which are not interchangeable. Please confirm the equipment model prior to ordering.
Q2: Does the standard package include the seal repair kit?
A: The seal kit is not included in standard products. You can purchase the dedied repair kit separately and enjoy a favorable bundled price when ordering together.
Q3: What packaging is used for long-distance sea transportation?
A: Anti-rust oil is injected inside the cylinder, and anti-rust grease is applied on the piston rod. The whole product is wrapped with waterproof PE film and packed in durable export plywood cases.
Q4: Are there preferential prices for purchasing a full set of working device cylinders?
A: Yes. Combined orders for full cylinder sets enjoy tiered discounts, and we offer consolidated shipment to cut down total logistics expenses.
Q5: What after-sales support is provided if oil leakage occurs within the warranty period?
A: Please provide clear photos of the leakage area and the excavator serial number. We will arrange free seal replacement and professional remote technical guidance in a timely manner.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
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...