Factory Price Front-end Loader Hydraulic Seal Kits for Komatsu Loader
The Komatsu Wheel Loader Seal Kit is a complete hydraulic sealing solution designed for Komatsu wheel loaders’ lift, tilt, and steering cylinders. Made from premium materials, it prevents oil leakage, enhances cylinder durability, and ensures smooth and efficient machine performance in demanding work environments.
| Material | NBR/ PTFE/ ACM/ VMQ/ FKM/ HNBR/ EPDM/ Silicone and etc |
|---|---|
| MOQ | 5 Pieces |
| Pressure | Up to 690bar(10000psi) |
| Working Temperature | -40–120℃(according to the material) |
| Color | Black/Orange/Brown/White/Brown |
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Kinton Seals is trusted by professionals worldwide for providing high-quality seal kits for excavators, dozers, loaders, and other heavy machinery, ensuring reliable performance and long-lasting durability.
Hydraulic cylinders are the powerhouse of every Komatsu wheel loader, controlling lifting, tilting, and steering functions that keep operations efficient and safe. Over time, seals inside these cylinders degrade due to high pressure, temperature fluctuations, and exposure to dust or abrasive materials. The Komatsu Wheel Loader Seal Kit is engineered to restore full hydraulic performance, providing operators with a cost-effective solution to extend machine life and minimize downtime.
Advantages of Using Komatsu Seal Kits
- OEM Compatibility – Precisely designed to match Komatsu specifications, ensuring a perfect fit.
- Enhanced Durability – Extends cylinder service life, protecting piston rods and bores.
- Leak-Free Operation – Keeps hydraulic oil sealed tightly, reducing contamination risks.
- Improved Efficiency – Maintains consistent hydraulic pressure for smooth machine control.
- Cost-Effective Maintenance – Enables cylinder rebuilding at a fraction of replacement costs.
Manufacturing Process of Seal Kits
Our seal kits are manufactured under strict quality control procedures:
Precision Material Weighing
Each raw material, including polyurethane, PTFE, and rubber compounds, is accurately weighed according to strict formulation standards. This ensures consistent chemical properties, balanced elasticity, and reliable performance across every seal.
Mold Preparation & Material Placement
High-precision molds are thoroughly cleaned and preheated before material placement. The prepared compound is carefully filled into the mold cavities to avoid defects such as bubbles or uneven density, ensuring flawless shaping of the seals.
High-Pressure Compression Molding
Using advanced compression molding machines, the materials are subjected to high temperature and pressure. This process guarantees excellent dimensional accuracy, uniform density, and the proper hardness required to withstand hydraulic pressure and harsh jobsite conditions.
Rigorous Quality Inspection
Every finished seal undergoes strict inspection procedures, including dimensional checks, surface finish evaluation, and sealing performance tests. Only seals that meet international OEM standards are packaged and delivered, ensuring reliable operation for your machine.
This meticulous process ensures that every seal kit meets or exceeds OEM standards.
Material & Manufacturing Quality
Our Komatsu seal kits are produced with advanced sealing technology and top-grade materials to withstand heavy-duty operations:
Nitrile Rubber Buna(NBR, BUNA-N)
Temperature Range:-30 to 125 ℃
Hardness:60-90 Shore A
Color: Black
Use: Oil & Water Resistance Situation Advantage: Excellent oil resistance, performance and stability, widely used, cheaper
Fluororubber(FKM,FPM)
Temperature Range:-20 to 250℃
Hardness:70-90 Shore A
Color: Black/Brown/Green
Use: Oil & Chemical Resistance Situation
Advantage: Wear resistance, acid and alkali resistance, high temperature resistance situation
Silicone (VMQ )
Temperature Range: -60 to 225 ℃
Hardness: 50-70 Shore A
Color: Red/Black/Blue/White/Transparent, etc
Use: Heat& Food Situation(FDA, RoHS Approved)
Advantage: Good heat resistance, cold resistance, lubrication oil resistance, water resistance safety & reliable to human body
Ethylene Propylene Rubber(EPDM, EPM)
Temperature Range:-50 to 150 ℃
Hardness: 60-90 Shore A
Color: Black
Use: Ozone, water vapor situation
Advantage: Excellent oxidation resistance ozone resistance and erosion resistance
Perfluoroelastomer(FFKM, FFPM)
Temperature Range: -42 to 327 ℃
Hardness:60-95 Shore A
Color: Black / White
Advantage: Long-term, proven performance, can mean less frequent seal changes, repairs and inspections, increasing process and equipment uptime in productivity and yield.
Neoprene Rubber(CR )
Temperature Range:-30 to 125 ℃
Hardness:60-90 Shore A
Color: Black
Use: Oil & Water Resistance Situation Advantage: Excellent oil resistance, performance and stability, widely used, cheaper
This blend of materials ensures the seals maintain elasticity, toughness, and leak-proof performance, even when exposed to challenging job site conditions.
Application in Komatsu Wheel Loaders
Komatsu wheel loader seal kits cover critical hydraulic cylinders such as:
- Lift Cylinders – Guaranteeing steady bucket lifting and lowering.
- Tilt Cylinders – Providing secure bucket tilt and dump control.
- Steering Cylinders – Ensuring precise maneuverability and operator safety.
Whether used in construction, quarrying, forestry, or mining, these seal kits provide reliable performance across a range of Komatsu loader models.
Production & Quality Control
To meet Komatsu’s rigorous standards, every seal kit undergoes a controlled production and inspection process:
- Precision Material Weighing – Ensuring exact material proportions for optimal sealing performance.
- Mold Preparation & Material Placement – Creating accurate seal dimensions.
- High-Pressure Compression Molding – Achieving uniform strength and elasticity.
- Rigorous Quality Inspection – Testing seals for oil resistance, pressure tolerance, and dimensional accuracy.
These steps ensure every seal kit performs consistently in real working environments.
Compatibility and OEM Reference
Our Komatsu wheel loader seal kits are designed to fit a wide range of models, such as:
- Komatsu WA100, WA200, WA250, WA320, WA380, WA470
- Komatsu WA500, WA600, WA700 series loaders
Customers may provide OEM reference numbers, cylinder part codes, or loader models to ensure fast and accurate seal kit matching.
| Part Numbers | |||||||
|---|---|---|---|---|---|---|---|
| 707-99-14200 | 707-99-15810 | 707-99-35320 | 707-99-37500 | 707-99-41100 | 707-99-43110 | 707-99-43520 | 707-99-48620 |
| 707-99-48630 | 707-99-56620 | ||||||
Maintenance Recommendations
- Replace seals at the first sign of hydraulic oil leakage.
- Keep hydraulic oil clean and free from debris.
- Inspect piston rods for scratches or corrosion before seal installation.
- Follow Komatsu’s recommended service intervals for maximum machine reliability.
At Kinton Seals, we understand that reliable delivery is just as important as product quality. Our goal is to ensure that every order of Seal Kits for excavators, bulldozers, wheel loaders, and other heavy machinery reaches our customers safely, on time, and in perfect condition.
Packaging & Protection
- Standard Export Packaging – Each seal kit is carefully packed in moisture-proof and dust-proof bags, ensuring seals remain clean and undamaged during storage and transportation.
- Layered Protection – Kits are placed in sturdy cartons, and for bulk shipments, cartons are further reinforced with pallets and stretch film to minimize impact during handling and transit.
- Customization Options – We provide OEM/ODM packaging services, including branded boxes, barcodes, and special instructions, helping partners strengthen their brand presence in local markets.
- Extra Protection – For bulk shipments, cartons and pallets are reinforced to reduce the risk of damage in transit.
Order Processing & Lead Time
- Standard Seal Kits – For large quantity orders, lead time is usually 7–10 working days, as each kit requires precise matching of every seal, followed by labeling and packaging.
- Custom Seal Kits – For tailored requirements or non-standard models, production and assembly typically take 15–30 days, especially if new tooling or mold development is required.
- Sample Orders – Small batch or sample kits can often be prepared faster, subject to stock availability.
Delivery Options
- Air Freight for urgent orders
- Sea Freight for bulk shipments
- Courier Express (DHL, FedEx, UPS) for small packages and samples
Quick Quote Request
Kinton Seals is trusted by professionals worldwide for providing high-quality seal kits for excavators, dozers, loaders, and other heavy machinery, ensuring reliable performance and long-lasting durability.
