Guangzhou Yangkai Machinery Parts Co., Ltd.
| Supply Ability | Stable supply for regular models. Small-quantity orders and bulk orders are supported. Supply quantity can be confirmed according to current inventory and production schedule. |
| Product Model | HB-30G |
| Delivery Time | 1–3 Working Days for In-Stock / 7–15 Working Days for Bulk or Production Orders |
| Packaging | 1 Set/Bag + Carton |
| Payment Terms | L/C,D/A,D/P,T/T |
| Product Name | Breaker Seal Kit |
| Product Condition | New |
| Seal Kit Type | Hydraulic Breaker Seal Kit |
| Application Scene | Excavator Hydraulic Breaker Maintenance and Repair |
| Packaging Details | 1 Set/Bag + Carton |
| Model Number | HB-30G |
| Certification | CE / WYS Authorization Certificate / RoHS |
| Place of Origin | South Korea |
| Brand Name | WYS (Wonyoung Seal Corp.) |
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Product Specification
| Supply Ability | Stable supply for regular models. Small-quantity orders and bulk orders are supported. Supply quantity can be confirmed according to current inventory and production schedule. | Product Model | HB-30G |
| Delivery Time | 1–3 Working Days for In-Stock / 7–15 Working Days for Bulk or Production Orders | Packaging | 1 Set/Bag + Carton |
| Payment Terms | L/C,D/A,D/P,T/T | Product Name | Breaker Seal Kit |
| Product Condition | New | Seal Kit Type | Hydraulic Breaker Seal Kit |
| Application Scene | Excavator Hydraulic Breaker Maintenance and Repair | Packaging Details | 1 Set/Bag + Carton |
| Model Number | HB-30G | Certification | CE / WYS Authorization Certificate / RoHS |
| Place of Origin | South Korea | Brand Name | WYS (Wonyoung Seal Corp.) |
The WYS HB-30G Breaker Seal Kit is a hydraulic sealing replacement kit designed for hydraulic breaker maintenance and repair applications on excavators and construction machinery.
It is suitable for equipment distributors, hydraulic repair workshops, construction machinery service companies, spare parts wholesalers and excavator maintenance providers.
| Attribute | Specification |
|---|---|
| Brand | WYS |
| Manufacturer | Wonyoung Seal Corp. |
| Product Type | Hydraulic Breaker Seal Kit |
| Product Name | Breaker Seal Kit |
| Part Number | HB-30G |
| Application | Hydraulic Breaker / Excavator |
| Equipment | Excavator / Construction Machinery |
| Working Medium | Hydraulic Oil |
| Origin | South Korea |
| Condition | New |
| Packaging Unit | 1 Set |
| MOQ | 1 Set |
| Certification | CE / WYS Authorization Certificate / RoHS |
| Extension Model | Carrier Excavator Weight (Tons) | Chisel Diameter (mm) | Operating Weight (kg) | Typical Applications & Features |
|---|---|---|---|---|
| HB05G / HB1G | 0.8 – 3 | 45 – 55 | 100 – 250 | Indoor demolition, mini-excavation, landscaping, small pipeline works |
| HB2G / HB3G | 3 – 6 | 65 – 75 | 300 – 450 | Small road works, foundation excavation |
| HB5G / HB8G | 6 – 10 | 75 – 90 | 450 – 700 | Municipal engineering, rural roads, greenery construction |
| HB10G / HB12G | 10 – 15 | 100 – 105 | 800 – 1100 | Medium demolition, water conservancy, pipeline foundations |
| HB15G / HB20G | 18 – 25 | 120 – 135 | 1300 – 1800 | 20-ton class general purpose, infrastructure construction |
| HB30G (Base) | 28 – 35 | 150 | 2300 – 2700 | Large mining stripping, rock quarrying, heavy concrete demolition |
| HB40G | 35 – 45 | 160 – 165 | 3000 – 3600 | Large hard rock quarries, deep mining applications |
| HB50G / HB60G | 45 – 60+ | 175 – 190 | 4000+ | Extra-large open-pit mining, ultra-high strength rock breaking |
| Breaker Model | Primary OEM Seal Kit Part No. | Alternative / Upgraded Part No. | Notes for Market Distribution |
|---|---|---|---|
| HB15G | 08103-80015 | 08103-80016 | Fits 18-22 ton carriers |
| HB20G | 08103-80010 | 08103-80011 | Standard 20-ton class |
| HB30G | 08103-80020 | 08103-80030 | High-pressure variant available |
| HB40G | 08103-80040 | 08103-80041 | Heavy-duty mining spec |
| HB50G | 08103-80050 | 08103-80051 | Extra-large quarrying spec |
When evaluating hydraulic system compatibility for global heavy machinery brands, the HB30G breaker and its internal seals correspond to the hydraulic pump flow and pressure settings of the following 28–35 ton class excavators.
| Machinery Brand | Compatible Excavator Models | Operating Weight (Tons) | Required Oil Flow (L/min) | Operating Pressure (bar) |
|---|---|---|---|---|
| Komatsu | PC300-7/8, PC350-8, PC360-7 | 30.0 – 36.0 | 170 – 220 | 160 – 180 |
| (C-A-T) | 330D/F, 336D/E | 30.0 – 37.0 | 170 – 220 | 160 – 180 |
| Doosan | DX300LC, DX340LC, DX350LC | 30.0 – 35.0 | 170 – 220 | 160 – 180 |
| Sany | SY305C, SY335C, SY365H | 30.5 – 36.5 | 170 – 220 | 160 – 180 |
| JCB | JS300, JS330 | 30.0 – 33.0 | 170 – 220 |
Hydraulic Breaker Packaging
Stable Inventory & Global Supply Capability
Advanced Manufacturing & Quality Control
Doosan, Komatsu, Hitachi, Hyundai, and more.
Send the machine model, OEM number, dimensions or product photos.
Options are available according to product, application and requirements.
Yes. We supply selected hydraulic and mechanical components for machinery repair.
Yes. Wholesale, bulk orders and global shipment are supported.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2008
Total Annual:
5000000-8000000
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Guangzhou Yangkai Machinery Parts Co., Ltd. was founded in 2008, our company has 18 years experience which is a professional, diversified construction machinery parts supply enterprises, Our products suitable for: komatsu, C, Hitachi, sumitomo, kato, daewoo, hyundai,kobelco,,Sany and other brands of... Guangzhou Yangkai Machinery Parts Co., Ltd. was founded in 2008, our company has 18 years experience which is a professional, diversified construction machinery parts supply enterprises, Our products suitable for: komatsu, C, Hitachi, sumitomo, kato, daewoo, hyundai,kobelco,,Sany and other brands of...
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