PC200LC-8 PC200-8 Hydraulic Arm Cylinder for Komatsu Excavator Spare Parts 707-01-0H600 Aftermarket High Quality
This heavy-duty dipper arm hydraulic cylinder is a direct bolt-on aftermarket replacement exclusively developed for Komatsu PC200-8 standard track excavator and long-track PC200LC-8 medium crawler excavator, the most popular 8-series model widely used in municipal road renovation, housing foundation excavation, highway subgrade construction and light-medium quarry aggregate loading. As the core hydraulic actuator controlling arm extension and retraction, it provides powerful and stable digging breakout force for daily medium-heavy earthmoving operations. It is a core stocked spare part for Komatsu professional repair workshops, medium-sized excavator rental fleets and cross-border spare parts wholesalers specializing in Komatsu 8-series medium excavators.
All manufacturing processes strictly follow original Komatsu OEM technical drawings and precise assembly tolerances. Mount lug spacing, pin hole inner diameter, wear-resistant copper bushing dimensions and hydraulic oil port layout fully match exclusive OEM part number 707-01-0H600. No cutting, grinding or welding modification is required during replacement installation, effectively cutting maintenance labor costs and avoiding costly construction downtime caused by sudden arm cylinder failure.
| Item | Detailed Specification |
|---|---|
| Full Product Name | Complete Dipper Arm (Stick) Hydraulic Cylinder Assembly |
| Applicable Machinery | Komatsu PC200-8 Standard Track Excavator, PC200LC-8 Long Track Medium Crawler Excavator |
| OEM Reference PN | 707-01-0H600 |
| Product Grade | Reinforced aftermarket hydraulic cylinder for municipal construction & light quarry operations |
| Quality Warranty | 12-month full warranty covering all factory-originated manufacturing defects |
| Minimum Order Quantity | 1 unit, sufficient spot inventory for fast global shipment |
| QC Inspection Standard | ISO9001 full-process traceable production; 100% high-pressure airtight leak test & full-stroke cyclic medium-heavy load fatigue impact test before delivery |
| # | Part No. | Description | Qty |
|---|---|---|---|
| G-1 | (707-01-XS390) | CYLINDER GROUP,L.H. (FINAL COATING) | 1 |
| ---- | ==================== | ||
| 1 | 707-01-0H580 | CYLINDER ASS'Y | 1 |
| 1 | 707-13-12380 | Cylinder | 1 |
| 2 | 707-76-70651 | Bushing | 1 |
| 3 | 07145-00070 | SEAL,DUST? PISTON ROD | 2 |
| 4 | 707-58-85430 | ROD,PISTON | 1 |
| 5 | 707-76-80431 | BUSHING,PISTON | 1 |
| 6 | 07145-00080 | SEAL,DUST (KIT) | 2 |
| 7 | 707-27-12650 | HEAD,CYLINDER | 1 |
| 8 | 07179-13099 | RING, SNAP | 1 |
| 9 | 707-56-85510 | SEAL,DUST (KIT) | 1 |
| 10 | 707-52-90610 | Bushing | 1 |
| 11 | 707-75-85110 | RING,SNAP | 1 |
| 12 | 707-51-85030 | PACKING,ROD (KIT) | 1 |
| 13 | 07000-15110 | O-RING (KIT) | 1 |
| 14 | 707-35-91220 | RING,BACK-UP (KIT) | 1 |
| 15 | 707-51-85650 | RING,BUFFER (KIT) | 1 |
| 16 | 01010-81670 | BOLT,(WITH WEAR GUARD) | 12 |
| 17 | 01643-51645 | WASHER, SPRING | 12 |
| 18 | 707-36-12851 | Piston | 1 |
| 19 | 707-44-12150 | RING,PISTON (KIT) | 1 |
| 20 | 707-39-12140 | RING,WEAR (KIT) | 2 |
| 21 | 707-44-12911 | Ring | 2 |
| 22 | 707-71-70800 | PLUNGER | 1 |
| 23 | 07000-15075 | O-RING (KIT) | 1 |
| 24 | 707-35-90930 | RING,BACK-UP (KIT) | 2 |
| 25 | 01310-01216 | SCREW,NYLON | 1 |
| 26 | 707-71-34660 | COLLAR | 1 |
| 27 | 707-35-91220 | RING,BACK-UP (KIT) | 2 |
| 28 | 07000-15110 | O-RING (KIT) | 1 |
| 29 | 707-86-67720 | TUBE,L.H | 1 |
| 30 | 20Y-62-24580 | TUBE,L.H | 1 |
| 31 | 07372-21060 | BOLT,(FOR TREE PUSHER) | 4 |
| 32 | 01643-51032 | WASHER, (WITHOUT EMERGENCY STEERING) | 4 |
| 33 | 07372-21045 | BOLT,(TREE PUSHER DOZER) | 4 |
| 34 | 01643-51032 | WASHER, (WITHOUT EMERGENCY STEERING) | 4 |
| 35 | 07000-13030 | O-RING,BOOM (FOR 50 FEET LONG FRONT) | 2 |
| 36 | 707-88-28010 | BRACKET,L.H | 1 |
| 37 | 707-88-21620 | BAND | 1 |
| 38 | 07372-21035 | BOLT, SPLIT FLANGE - TORQUE CONVERTER END | 2 |
| 39 | 01643-51032 | WASHER, (WITHOUT EMERGENCY STEERING) | 2 |
| 40 | 07283-32738 | U-BOLT, L.H. TUBE CLAMPING | 2 |
| 41 | 01597-01009 | NUT,(FOR JAPAN) | 4 |
| 42 | 01643-31032 | WASHER,(WITH AUTO EMERGENCY STEERING) | 4 |
| ---- | ==================== | ||
| K | 707-98-46280 | SERVICE KIT | 1 |
| Technical Index | Standard Value |
|---|---|
| Cylinder Tube Inner Diameter | 118 mm |
| Hard Chrome Plated Piston Rod Diameter | 76 mm |
| Valid Working Stroke | 1290 mm |
| System Rated Working Pressure | 31.4 MPa |
| Factory Hydraulic Proof Test Pressure | 47.1 MPa (1.5 times rated pressure for comprehensive internal & external leakage inspection) |
| Cylinder Tube Raw Material | High tensile seamless alloy steel processed by deep precision inner honing, ultra-smooth low-friction inner wall resisting long-hour medium-heavy hydraulic fluid abrasion under frequent construction cycles |
| Piston Rod Surface Treatment | 40CrMo quenched and tempered base metal, 28–32μm compact dense hard chrome coating, surface hardness HRC68–72, outstanding anti-scratch and anti-bending performance against gravel, concrete fragments and rock collisions on construction sites |
| Matching Special Seal Kit PN | 707-01-0H600-KIT |
| Applicable Working Temperature Range | -25℃ ~ +85℃ |
| Structural Design Feature | Widened thickened arm mounting lugs equipped with oversized self-lubricating copper alloy wear bushings; dual-stage built-in buffer mechanism to absorb severe instantaneous shock during repeated arm stretch-retract cycles under medium-heavy construction loads |
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Universal Dual-Chassis Fit for PC200-8 Standard & PC200LC-8 Long-Track Models
This stick cylinder assembly perfectly fits both standard frame and extended long-frame PC200-8 excavators without dimensional mismatch. All connecting geometric sizes fully replicate genuine Komatsu 8-series OEM components, seamlessly matching factory arm linkages and original hydraulic pipelines. It completely eliminates assembly offset issues that lead to premature seal aging and continuous oil leakage caused by forced installation on reinforced medium machine frames.
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8-Series Mainstream Excavator Reinforced Anti-Impact Structural Upgrade
Unlike low-cost generic thin-wall hydraulic cylinders without targeted reinforcement, this model thickens cylinder barrel and integrated cast lugs customized for the high-frequency medium-heavy working characteristics of Komatsu PC200-8 series excavators. It withstands long-term alternating heavy digging loads and accidental rock collisions, with service life far longer than ordinary universal aftermarket cylinders that cannot adapt to quarry and heavy earthmoving tasks.
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Two Independent Offline Factory Inspections Eliminate Hidden Quality Hazards
Each finished stick cylinder undergoes two strict offline testing workflows before leaving the factory. The full-stroke reciprocating fatigue test simulates months of uninterrupted municipal earthmoving work to verify overall structural stability; the long-duration high-pressure soaking tightness inspection comprehensively scans all internal and external leakage dead angles. All unqualified products are fully screened out before warehousing to prevent unexpected construction shutdown losses for end customers.
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High Cost Performance for PC200-8 Series Excavator Fleet Owners
Genuine OEM spare parts for PC200-8 series have high retail prices and long global procurement lead times. This aftermarket stick cylinder delivers equivalent structural rigidity, stable low-vibration operation and service lifespan as authentic Komatsu factory parts at a competitive unit price, greatly reducing long-term recurring maintenance costs for independent repair garages and medium rental enterprises equipped with batches of PC200-8 excavators.
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Diversified Global Logistics Solutions for Worldwide Clients
All in-stock goods can be dispatched within 3 working days after payment confirmation. Air express supports emergency rush orders for sudden machine breakdowns at remote suburban construction sites; consolidated bulk sea freight and full FCL container transportation provide cost-effective wholesale shipping plans for machinery distributors supplying municipal construction markets across Africa, Southeast Asia, the Middle East and Latin America.
Our factory has over ten years of professional R&D and mass production experience in hydraulic cylinders for mainstream Komatsu 8-series medium excavators, with PC200-8 and PC200LC-8 as core mature production lines. We own complete supporting production lines including heavy precision forging, deep inner honing, integral heat treatment and automatic chrome plating, equipped with professional medium-heavy load simulation test benches to restore real municipal construction working environments and continuously optimize product anti-shock durability. Our construction-grade aftermarket hydraulic cylinder product line is exported to dozens of countries all year round, winning stable long-term cooperative trust and consistent positive evaluations from global medium machinery spare parts distributors with precise 8-series model matching and stable uniform quality.
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