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| Categories | Excavator Hydraulic Cylinder |
|---|---|
| Brand Name: | Glparts |
| Model Number: | PC200-8 |
| Certification: | ISO9001 |
| Place of Origin: | Made In China |
| MOQ: | 1 |
| Price: | Negotiable |
| Payment Terms: | T/T,Western Union,MoneyGram |
| Supply Ability: | 2000pieces/month |
| Delivery Time: | 7 Days |
| Packaging Details: | Wooden Case |
| Part Name: | PC200-8 Arm Cylinder |
| Excavator Model: | PC200-8 |
| Part PN: | 707-01-XR251 707-01-XR250 |
| Application: | Komatsu Excavator |
| Warranty: | One Year |
| Main Material: | High Strength Steel |
| Company Info. |
| Guangzhou Guoli Engineering Machinery Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
PC200-8 Hydraulic Arm Cylinder Assy 707-01-XR251 707-01-XR250 for Komatsu Excavator Parts
| Part Name | Excavator Hydraulic Arm Cylinder PC200-8 |
| Model | PC200-8 |
| Part Number | 707-01-XR251 707-01-XR250 |
| Tube | 45Mn Steel |
| Piston Rod | Hard chromium plating |
| Seal Kits | NOK and SKF Imported Oil Seal |
The PC200-8 Arm Cylinder offers smooth and flexible operation, significantly enhancing work efficiency. Built with premium materials, it ensures durability, reliable performance, and long service life for your excavator.
Key Features
| Component/Process | Key Specifications |
| Piston Rod | 1. Overall conditioning 2. High-frequency hardening (hardness ≤55) 3. Hard chrome plating (3 wire) |
| Rod End, Tube End & Cover | 1. Material: Forged steel 2. Process: Automatic welding (flatter welds, no manual) |
| Cylinder Tube | 1. Material: 25Mn steel (matches original manufacturer) 2. Surface: Sandblasting + 2-layer baking paint |
| Oil Seal | 1. Brand: Imported (Japan NOK, US SKF) 2. Oil leakage: ≤1% |
| Assembly | 1. Fully automatic line 2. Less manual intervention (prevents nut dropping) |
| Factory Inspection | 1. Pressure test for each cylinder 2. Ensures no oil leakage |


Hydraulic Cylinder Maintenance Guidelines
Proper maintenance extends the service life of hydraulic cylinders and ensures reliable performance. Key practices include:
Regular Hydraulic Oil Replacement
The cleanliness of hydraulic oil directly affects cylinder
lifespan. Scheduled oil changes help maintain system stability and
protect internal components.
Cleaning the Piston Rod Surface
The piston rod is prone to impacts and scratches. Regularly remove
dirt from the dust seals and exposed rod area to prevent
contaminants from entering the cylinder and damaging pistons,
bores, or seals.
Lubricating Connection Points
Apply lubrication to joints and connection parts to prevent rust
and abnormal wear, ensuring smooth movement even under low-oil
conditions.
Checking Hydraulic System Pressure
Use professional tools to periodically test system pressure,
keeping it within the safe operating range to avoid overload and
premature wear.
Storage Recommendations
If the equipment is out of service for an extended period, store the cylinder in a fully retracted position. This minimizes exposure of the piston rod, preventing rust and surface damage.
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