PC600LC-6 PC600-6 Hydraulic Boom Cylinder for komatsu Excavator Spare Parts 21M

This super heavy-duty aftermarket hydraulic boom cylinder is precision manufactured as a direct OEM replacement for Komatsu PC600-6 standard track and PC600LC-6 long-track large mining excavators. As the core hydraulic power component of front working equipment, it controls boom lifting and lowering to handle heavy rock excavation, massive ore loading, open-pit mining and large-scale heavy earthmoving projects. Widely applied in large open mines, stone quarries and major infrastructure mining works.

All cylinders are strictly produced in accordance with Komatsu original technical drawings and OEM standards, with fully consistent mounting dimensions, pin hole spacing and hydraulic port layout. Direct bolt-on installation without cutting, welding or any on-site secondary modification.

1. Universal Fit for PC600-6 & PC600LC-6 Mining Machines

   Compatible with both standard track PC600-6 and long-track PC600LC-6 mining excavators. All assembly sizes, lug spacing and oil port positions fully match original PN 21M-63-02101 cylinder, seamlessly connecting boom linkages and hydraulic pipelines for stable long-hour ultra-heavy load mining operation.

2. Mine Super Heavy Reinforced Structure

   Extra thick cylinder barrel and reinforced integrated lug plates are specially customized for severe open-pit mine environments, resisting long-term ultra-heavy cyclic loads, sharp rock collision impacts and severe abrasion to maximize service life under mining harsh conditions.

3. Multi-Round Strict Pre-Delivery Inspection

   Each finished cylinder undergoes repeated full-stroke reciprocating cycle test and high-pressure airtight leak detection, completely eliminating hidden internal and external oil leakage hazards to avoid unexpected mining downtime.

4. Outstanding Cost Performance

   Delivers identical structural strength, stability and service lifespan as genuine Komatsu OEM spare parts, effectively cutting recurring high procurement costs for large mining repair workshops, heavy equipment rental fleets and global mining machinery spare parts wholesalers.

5. Flexible Global Logistics Support

   In-stock items can be dispatched within 3 working days. Air freight supports urgent breakdown rush orders for mine emergency repair; sea freight provides cost-saving bulk wholesale shipping for global major mining markets including Africa, Southeast Asia, Middle East and Latin America.

Our factory has over 10 years of professional experience in R&D and mass production of hydraulic cylinders for Komatsu super large PC series mining excavators including PC600-6 / PC600LC-6. We supply complete boom, arm and bucket cylinder assemblies with mature heavy forging, precision deep honing and professional heat treatment craft, plus full-process strict quality control for mining-grade hydraulic parts. Our aftermarket heavy-duty hydraulic cylinders are exported worldwide all year round, winning long-term trust and consistent positive feedback from global mining machinery spare parts dealers.

A: No. Each generation and model of Komatsu large mining excavators adopts exclusive part numbers and unique structural dimensions without interchangeability. Please confirm your complete machine model before ordering.

A: Seal repair kit is not included in standard delivery. You can purchase the dedicated supporting seal kit separately, and we will offer a competitive combined order quotation.

A: Anti-rust oil filled into cylinder inner cavity, anti-rust grease evenly coated on piston rod surface. The whole cylinder wrapped with thick waterproof PE film and packed in extra thick reinforced export plywood cases to prevent scratch, collision and moisture damage during long sea transit.

A: Yes. Complete working device cylinder set orders enjoy graded volume discounts. Consolidated full container FCL shipment service is available to reduce total logistics expenditure.

A: Please provide clear photos of leakage position plus your excavator serial number. We will arrange free seal replacement and professional remote troubleshooting guidance promptly.