Dozer Hyd Seal Kits for CAT Caterpillar Bulldozer
High-performance CAT bulldozer hydraulic seal kits designed for heavy-duty applications. Engineered for leak prevention, extended cylinder life, and reliable sealing in tough working 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 |
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.
CAT bulldozers rely on powerful hydraulic systems to deliver pushing force, lifting capacity, and precise blade control. However, continuous exposure to high pressure, dirt, extreme loads, and temperature variations makes hydraulic seals one of the most critical components in keeping the machine performing at its peak.
Our CAT Bulldozer Hydraulic Seal Kits are designed for direct compatibility with CAT cylinders, ensuring a reliable seal against oil leakage and external contaminants. Whether for blade cylinders, ripper cylinders, or tilt cylinders, these seal kits provide superior resistance to wear, pressure, and harsh jobsite conditions.
Manufacturing Process
Our hydraulic seal kits are produced under strict standards, ensuring consistent quality across all batches.
Precision Material Weighing
Each raw material block is carefully weighed with high-accuracy equipment before processing. This ensures that every seal ring starts with the exact material volume required for its specific size and application, preventing inconsistencies in density or performance.
Mold Preparation & Material Placement
After weighing, the prepared material is positioned onto the appropriate mold. Our workshop is equipped with a wide variety of molds to match different seal ring diameters and cross-sections. The correct mold selection guarantees precise shaping, while careful placement avoids defects such as uneven thickness.
High-Pressure Compression Molding
The molds are then set under specialized compression machines, where controlled pressure and temperature are applied. This process allows the material to be fully formed into a durable seal with consistent hardness and elasticity. Strict monitoring ensures every batch meets dimensional accuracy and structural integrity.
Rigorous Quality Inspection
Each batch of seals undergoes rigorous testing after molding. Technicians check for dimensional accuracy, surface smoothness, hardness, and sealing resilience. Any defective products are filtered out, ensuring that only seals with stable performance and long service life proceed to packaging.
Compatibility & OEM Fitment
Our hydraulic seal kits are specifically designed for:
- Bulldozer Blade Cylinders – Ensuring smooth lifting and tilting operations.
- Ripper Cylinders – Withstanding extra force and impact during rock-breaking work.
- Tilt Cylinders – Providing precision in blade angle adjustments.
- Compatible with multiple CAT bulldozer series including D5, D6, D7, D8, D9, and more.
OEM reference numbers available upon request.
| CAT Bulldozers Seal Kits | |||||||
|---|---|---|---|---|---|---|---|
| 7X2658 | 7X2659 | 7X2660 | 7X2661 | 7X2664 | 7X2665 | 7X2675 | 7X2682 |
| 7X2749 | 7X2752 | 7X2766 | 7X2783 | 7X2784 | 7X2798 | 7X2819 | 8T1374 |
| 1315164 | 2292626 | 2440980 | |||||
If you have a specific OEM part number or cylinder code, our team can cross-check and provide the correct replacement kit.
Quality Assurance & Testing
Every batch of seal kits undergoes strict inspection:
- Leakage Test – Ensures zero oil seepage under full load.
- Durability Test – Simulates continuous heavy-duty operations.
- Dimensional Check – Guarantees exact match to CAT cylinder grooves and fittings.
Application Scenarios
- Mining & Quarrying – Ripper and blade operations under high abrasion.
- Construction Sites – Earthmoving, grading, and land clearing.
- Forestry Operations – Withstanding dusty and wet conditions.
- Road Building – Supporting bulldozers in leveling and compaction tasks.
Material Overview for Seal Kits
Each seal kit is crafted from high-grade materials engineered to withstand pressure, heat, and abrasive working environments:
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
These materials are carefully matched to John Deere’s cylinder tolerances, ensuring an exact fit and reliable sealing performance.
Maintenance Tips
- Regularly clean exposed cylinder rods to prevent dirt from damaging seals.
- Replace seals at early signs of leakage to avoid major cylinder failure.
- Store spare seal kits in a dry, dust-free environment to maintain material integrity.
Why Choose Our Seal Kits?
- OEM-quality performance at a competitive price.
- Wide range of CAT bulldozer hydraulic seal kits available from stock.
- Professional technical support for correct selection and installation.
Looking for the right CAT bulldozer hydraulic seal kit?
Contact us today with your machine model and cylinder reference number for a quick quotation.
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.
