Place of Origin:
China
Brand Name:
Belparts
Certification:
CE
Model Number:
PC200LC-7L PC200-7L
More Branded Accessories are Available
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| Hydraulic Parts | Hydraulic Pump | Final Drive | Travel Reduction |
| Swing Motor | Swing Reduction | Control Valve | Gear Parts |
| Slew Bearing | Engine Assembly | Hydraulic Cylinder | ECU |
Premium Komatsu PC200-7L / PC200LC-7L Excavator Hydraulic Bucket Cylinder (Part No. 707-01-0A320) — High-Performance Replacement Component
1. Product Overview & Fleet Compatibility
Operating at the extreme leading edge of the excavator attachment group, the bucket cylinder transforms high-pressure fluid power into rapid curling, aggressive crowding, and clean dumping motions. Engineered to withstand continuous exposure to flying debris, abrasive backfill, and jarring structural impacts, this premium aftermarket hydraulic cylinder is built as a true drop-in replacement for 20-ton class Komatsu equipment. It features complete cross-compatibility with both the Komatsu PC200-7L and PC200LC-7L crawler excavators. It aligns flawlessly with factory power links, guide links, and standard bucket pin assemblies, restoring original factory cycling velocity and precise bucket articulation control to your machine.
Quick Product Overview
| Parameter | Product Details & Logistics Specifications |
| Application | Excavator |
| Part name | Hydraulic Bucket Cylinder |
| Suitable for | PC200-7L / PC200LC-7L |
| Product name | 707-01-0A320 |
| Warranty | 12 months |
| Delivery time | 3-7 Days |
| Shipment | Express/freight/sea/train |
| Quality | Aftermarket High Quality |
| MOQ | 1 Piece |
| Payment term | T/T, Trade Assurance, Paypal and etc. |
2. Technical Specifications & Material Data
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| # | Part No. | Description | Qty |
|---|---|---|---|
| G-1 | (707-01-XZ850) | CYLINDER GROUP,(FINAL COATING) | 1 |
| ---- | ==================== | ||
| 1 | 707-01-0A320 | CYLINDER ASS'Y | 1 |
| 1 | 707-13-11560 | Cylinder | 1 |
| 2 | 707-76-70690 | Bushing | 2 |
| 3 | 07145-00070 | SEAL,DUST? PISTON ROD | 2 |
| 4 | 707-58-80651 | ROD,PISTON | 1 |
| 5 | 707-76-70690 | Bushing | 2 |
| 6 | 20Y-70-23220 | SEAL,DUST (KIT) | 2 |
| 7 | 707-27-11981 | HEAD,CYLINDER | 1 |
| 8 | 07179-13094 | RING, SNAP | 1 |
| 9 | 195-63-92190 | SEAL,DUST (KIT) | 1 |
| 10 | 707-52-90560 | Bushing | 1 |
| 11 | 707-51-80030 | PACKING,ROD (KIT) | 1 |
| 12 | 07000-15105 | O-RING (KIT) | 1 |
| 13 | 707-35-91150 | RING,BACK-UP (KIT) | 1 |
| 14 | 707-51-80640 | RING,BUFFER (KIT) | 1 |
| 15 | 01010-81670 | BOLT,(WITH WEAR GUARD) | 12 |
| 16 | 01643-51645 | WASHER, SPRING | 12 |
| 17 | 707-36-11851 | Piston | 1 |
| 18 | 707-44-11280 | RING,(Y1620-01A1-19) | 1 |
| 19 | 707-39-11530 | RING,WEAR (KIT) | 2 |
| 20 | 707-44-11920 | Ring | 2 |
| 21 | 707-35-90360 | RING,BACK-UP (KIT) | 2 |
| 22 | 07000-15070 | O-RING (KIT) | 1 |
| 23 | 01310-01216 | SCREW,NYLON | 1 |
| 24 | 07020-00000 | FITTING, GREASE - UPPER HINGE PIN | 1 |
| 25 | 07020-00000 | FITTING, GREASE - UPPER HINGE PIN | 1 |
| 26 | 707-86-66280 | Tube | 1 |
| 27 | 01435-01055 | BOLT, MOUNT DRYER TO BRACKET AND FRAME | 2 |
| 28 | 01435-01040 | BOLT,(SHIM 3-PIECE) | 2 |
| 29 | 07000-13030 | O-RING,BOOM (FOR 50 FEET LONG FRONT) | 1 |
| 30 | 707-88-22570 | Bracket | 2 |
| 31 | 707-88-21271 | BAND | 2 |
| 32 | 01435-01030 | BOLT - LOWER OIL COOLER OUTLET TUBEMOUNTING | 4 |
| 33 | 07283-22738 | CLIP, SEAT | 2 |
| 34 | 01599-01011 | NUT,(WITH UNDER MIRROR) | 4 |
| 35 | 01643-31032 | WASHER,(WITH AUTO EMERGENCY STEERING) | 4 |
| ---- | ==================== | ||
| KIT | 707-99-45230 | SERVICE KIT | 1 |
Manufactured from high-tensile, cold-drawn seamless steel tubes, this cylinder assembly is engineered to precise geometric tolerances to eliminate internal oil blow-by. The incorporation of rigorous certified quality systems guarantees absolute part-number interchangeability and field reliability under extreme stress.
| Engineering Attribute | Verified Performance & Manufacturing Data |
| Component Category | Excavator Front-End Attachment / Hydraulic Cylinder |
| OEM Part Number Code | 707-01-0A320 (Interchanges with 707-01-XY830, 707-01-0H740, 707-01-0J270, 707-01-XZ850) |
| Manufacturing Standards | ISO9001 Quality Management Certified / CE Compliant |
| Piston Rod Treatment | Induction Hardened, Precision Ground, Hard Chrome Plated |
| Sealing Architecture | High-Pressure Multi-Lip Polyurethane Seals & Heavy-Duty Wipers |
| Minimum Order Quantity | 1 Piece (Sourcing Friendly) |
| Safe Operating Pressure | Optimized for standard 20-ton class peak hydraulic reliefs |
| Warranty Protection | 1-Year (12 Months) Full Warranty with Free Replacement Parts |
3. Why You Should Choose Our Bucket Cylinder
Upgrading your fleet with this advanced bucket cylinder eliminates the frequent headache of front-end oil weeping and sudden bucket drifting during precision grading or trenching operations. The heavy-walled cylinder barrel is bored, precision-honed, and roller-burnished to achieve an ultra-smooth internal surface that optimizes oil film retention, keeping operating temperatures low and drastically extending seal lifespan. The high-yield carbon steel rod features a hard-chrome plated outer shell that resists rock chipping, scratch damage, and scoring from flying dirt. Additionally, integrated internal hydraulic dampening mechanisms effectively buffer high-impact end-of-stroke deceleration forces, saving your bucket linkages and cylinder eye welds from long-term stress fatigue. Backed by a flexible 1-piece MOQ and an ironclad 1-year warranty featuring free parts replacement, it delivers superior service life at an outstanding value.
4. About Our Brand and Product Ecosystem
This front-end assembly reflects the strict manufacturing and engineering benchmarks of Belparts, an established independent brand dedicated exclusively to the international construction machinery trade since September 2013. Operating from our core facilities in Guangzhou, China—which combine strategic corporate offices, a technical storefront, and a large-scale inventory warehouse—we carry deep stock reserves of high-demand items to ensure instant global processing. We focus our technical engineering power entirely on excavator hydraulic parts, delivering both Original Genuine items and premium, high-durability aftermarket solutions to optimize fleet maintenance budgets.
Our comprehensive catalog features 12 core equipment categories: Hydraulic Pumps, Control Valves, Final Drives, Travel Reductions, Swing Motors, Swing Reductions, Slew Bearings, Hydraulic Cylinders, Gear Parts, Engine Assemblies, and ECUs. These precision assemblies are built for absolute fleet versatility, fully supporting 16 world-renowned heavy machinery giants including Komatsu, Hitachi, Yanmar, Kobelco, Doosan, Sany, Hyundai, LiuGong, Takeuchi, Kubota, XCMG, and JCB. Trusted across more than 150 nations, Belparts keeps its product lines sharp by regularly exhibiting at major global industrial expos in countries like Brazil and France. To minimize machine downtime, our Guangzhou shipping hub manages highly flexible transit paths: Express Air Freight routes resolve critical emergency breakdowns in 3–7 days, while our Sea and Train Freight networks supply economical bulk restocking in 30–45 days.
5. High-Quality Sourcing Options
If you are looking for ready-to-ship aftermarket alternatives that match these exact specifications, consider the following certified industry replacements:
The Bucket Cylinder for Komatsu PC200-7, PC200-8, PC228-3 Excavators is built from heavy-duty steel to withstand severe crowding forces. It features multiple verified OEM crossovers—including your exact part number 707-01-0A320—making it a reliable choice for fleet managers seeking guaranteed fitment.
Alternatively, the Bucket Cylinder Assembly For Komatsu Excavator PC200-5 PC200-6 PC200-7 offers factory-direct sourcing standards designed to restore original operational responsiveness and breakout force across multiple equipment generations.
6. Common Questions from Excavator Parts Buyers
Q1: The PC200-7 series can feature several bucket and linkage setups. How do I know part number 707-01-0A320 will fit mine?
A: Linkage configurations (like standard utility reach vs. custom quick-coupler front setups) can impact the required pin hole diameters and the overall closed length of the bucket cylinder. To ensure an exact, 100% accurate drop-in fit, please send your machine's full frame serial number and a clear photo of the connection points or your old cylinder’s stamped casing codes to our Guangzhou engineering team before ordering. We will verify the technical drawings to guarantee a perfect match.
Q2: What exact setup steps should my mechanics take during installation to protect the 1-year warranty?
A: To satisfy your 1-year warranty provisions, the existing hydraulic lines must be thoroughly flushed to clear out residual metal contamination from the old cylinder failure. Before initial startup, fill the new cylinder housing with fresh hydraulic oil via the port openings. Run the machine at a low idle speed and cycle the bucket slowly through partial strokes without hitting the mechanical end-stops, completely bleeding out trapped air bubbles before putting the machine under load.
Q3: How does the audited ISO9001 quality system protect my machine against premature fluid drift?
A: Our ISO9001 certification enforces strict, audited metrics across our entire production timeline. Every heat-treated batch of seamless steel receives ultrasonic weld soundings to catch hidden wall inclusions, and every fully assembled bucket cylinder undergoes an intensive dual-chamber pressure drift test. This ensures zero internal oil bypass, guaranteeing that your bucket holds its digging angle perfectly without creeping or drifting when carrying a fully loaded bucket mid-air.
Q4: Which secure payment method ensures the fastest processing to meet my urgent 3–7 day air freight window?
A: For the quickest component release to catch our next scheduled 3–7 day express air departure from Guangzhou, processing your order via Trade Assurance or PayPal provides instant verification and maximum financial security. We also manage traditional international T/T bank transfers for wholesale stock orders, ensuring that all commercial invoices and custom clearance declarations are prepared flawlessly for your import brokers.
If you are planning an upcoming front-end overhaul, I can provide technical shortlists for matching arm cylinders, boom cylinders, or complete seal kits tailored to your exact Komatsu PC200-7 serial range. Would you like me to pull that data together for you?
Send your inquiry directly to us