BELPARTS MACHINERY LIMITED
| Payment Terms | L/C,D/A,D/P,T/T,TRADE ASSURANCE,WEST UNION,PAYPAL |
| Appliion | Excavator |
| Part number | 205-63-03131 |
| Packaging Details | Wooden Case Packing |
| Shipment | DHL FEDEX TNT EMS UPS / Ses / Air |
| Delivery Time | 3-7 Day |
| Condition | New |
| Emission standards | Stage V |
| Warranty | 1 Year |
| Quality | Aftermarket High Quality |
| Part name | Hydraulic Bucket Cylinder |
| Certifiion | CE |
| Supply Ability | 100 PCS / Months |
| Model | PC228USLC-2 PC228US-2 |
| Brand Name | Belparts |
| Model Number | PC228USLC-2 PC228US-2 |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,TRADE ASSURANCE,WEST UNION,PAYPAL | Appliion | Excavator |
| Part number | 205-63-03131 | Packaging Details | Wooden Case Packing |
| Shipment | DHL FEDEX TNT EMS UPS / Ses / Air | Delivery Time | 3-7 Day |
| Condition | New | Emission standards | Stage V |
| Warranty | 1 Year | Quality | Aftermarket High Quality |
| Part name | Hydraulic Bucket Cylinder | Certifiion | CE |
| Supply Ability | 100 PCS / Months | Model | PC228USLC-2 PC228US-2 |
| Brand Name | Belparts | Model Number | PC228USLC-2 PC228US-2 |
| Place of Origin | China | ||
| High Light | Komatsu excavator hydraulic bucket cylinder ，PC228US-2 hydraulic cylinder spare parts ，aftermarket Komatsu excavator cylinder | ||
Komatsu PC228USLC-2 / PC228US-2 Hydraulic Bucket Cylinder | PN:205-63-03131 | Premium Aftermarket Replacement
1. Basic Product Info
Crafted as a reliable aftermarket component, this hydraulic bucket cylinder is tailor-made for Komatsu PC228USLC-2 and PC228US-2 compact radius excavators. It drives the bucket to finish digging, scooping and unloading tasks, ideal for narrow job sites, urban construction and municipal engineering. All products are fabried according to original OEM specifiions, retaining standard mounting sizes, pin gaps and oil port positions. Users can complete direct installation on site without cutting, welding or extra adjustments.
| Item | Specifiion |
|---|---|
| Product Name | Hydraulic Bucket Cylinder |
| Applicable Model | Komatsu PC228USLC-2, PC228US-2 |
| OEM Part Number | 205-63-03131 |
| 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 |
2. Core Technical Parameters
| # | Part No. | Description | Qty |
|---|---|---|---|
| G-1 | (205-63-X9040) | CYLINDER GROUP,(SEE FIG.Y1620-41A0C) | 1 |
| G-1 | (205-63-X3131) | BUCKET CYLINDER G.,(SEE FIG.Y1620-41A0B) | 1 |
| ---- | ==================== | ||
| 1 | 205-63-03131 | CYLINDER ASS'Y | 1 |
| 1 | 205-63-71141 | Cylinder | 1 |
| 2 | 707-76-70110 | Bushing | 1 |
| 3 | 07145-00070 | SEAL,DUST? PISTON ROD | 2 |
| 4 | 205-63-71121 | ROD,PISTON | 1 |
| 5 | 707-76-70120 | Bushing | 1 |
| 6 | 21K-70-12180 | 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 | 707-51-80630 | RING,BUFFER (KIT) | 1 |
| 15 | 01010-81670 | BOLT,(WITH WEAR GUARD) | 12 |
| 16 | 01643-51645 | WASHER, SPRING | 12 |
| 17 | 707-36-11661 | Piston | 1 |
| 18 | 707-44-11280 | RING,(Y1620-01A1-19) | 1 |
| 19 | 707-39-11510 | RING,(Y1620-01A1-20) | 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 | 07020-00900 | FITTING, GREASE (STEERING CYLINDER) | 1 |
| 26 | 205-63-71171 | 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 | 707-88-95370 | Bracket | 2 |
| 31 | 707-88-95350 | BAND | 2 |
| 32 | 01010-81035 | BOLT,(F4320-52A0 -5 ) | 4 |
| 33 | 01643-51032 | WASHER, (WITHOUT EMERGENCY STEERING) | 4 |
| 34 | 07282-02793 | Clamp | 2 |
| 35 | 01010-81020 | BOLT,(FOR MONO LEVER STEERING) | 4 |
| 36 | 01643-31032 | WASHER,(WITH AUTO EMERGENCY STEERING) | 4 |
| ---- | ==================== | ||
| 37 | 707-98-45250 | CYLINDER KIT,BUCKET (FOR 2.4M AND 2.9M ARM) | 1 |
| Spec Item | Data |
|---|---|
| Bore Diameter | 115mm |
| Piston Rod Diameter | 80mm |
| Working Stroke | 1120mm |
| 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 superior wear and anti-deformation performance |
| Matching Seal Kit PN | 205-63-03131K |
| Working Temperature | -25℃ ~ +85℃ |
| Structure | Double ear lugs with quenched copper wear bushings, built-in buffer device to relieve operating impact |
3. Product Advantages
4. Supplier Brief
We specialize in manufacturing hydraulic cylinders for Komatsu compact and medium excavators for over ten years. We provide complete boom, arm and bucket cylinders for PC228US series and other classic models. Our products are widely exported to aftermarket markets in Africa, Southeast Asia and the Middle East, earning steady praise from global customers.
5. FAQ
Q1: Can this bucket cylinder fit PC228US-1 or PC228US-3?
A: No, different generations adopt exclusive part numbers and dimensions, which are not interchangeable. Please confirm the excavator model before 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 get a discount for combined orders.
Q3: What packaging is used for long-distance sea transportation?
A: Anti-rust oil is filled inside the cylinder, the piston rod is coated with anti-rust grease, then wrapped with waterproof PE film and packed in sturdy export plywood cases.
Q4: Is there a discount for purchasing a full set of working cylinders?
A: Full set orders enjoy tiered preferential prices, and we offer consolidated shipment to reduce total logistics costs.
Q5: What after-sales support is available if oil leakage occurs during the warranty period?
A: Please provide photos of the leakage area and excavator serial number. We will supply free seal replacement and professional remote technical guidance.
Company Details
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...
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