At Tonkee Machinery Co., Ltd., we understand that the longevity and efficiency of your heavy machinery are paramount. This is especially true for excavators, which operate under demanding conditions day in and day out. A critical component often overlooked, but vital for optimal performance and preventing costly downtime, is the quality of your seals and back-up rings. These seemingly small parts play a monumental role in maintaining hydraulic pressure, preventing leaks, and protecting internal components from contamination.
We are committed to providing top-tier aftermarket parts that meet or exceed OEM specifications, ensuring your equipment operates smoothly and reliably. Our extensive inventory covers a wide range of excavator models from leading manufacturers, guaranteeing that you can find the exact fit for your specific needs. From high-pressure hydraulic systems to intricate sealing applications, our products are designed to deliver superior durability and performance.

We take pride in offering a diverse selection of seals, seal kits, and back-up rings, meticulously categorized to help you easily locate the right part. Whether you're dealing with a specific model like the ZAXIS190W-3 or a popular series such as the EX2600-7, our parts are engineered for a perfect fit and lasting reliability. Below is a detailed look at some of the key products we offer:
| No. | Part Type | Part Number | Fits For | OEM/Aftermarket |
|---|---|---|---|---|
| 1 | Back-Up Ring | 1115305 | ZAXIS190W-3 EXCAVATOR - ZAXIS | Aftermarket |
| 2 | SEAL | 0885001 | ZAXIS180W EXCAVATOR - ZAXIS | Aftermarket |
| 3 | Seal | 8973767200 | 245GLC EXCAVATOR | OEM Equivalent |
| 4 | SEAL | YA00051431 | EX2600-7 EXCAVATOR - EX -7 | Aftermarket |
| 5 | Seal Kit | FYA00001395 | 130G EXCAVATOR | Aftermarket |
| 6 | Seal | SA9568-00750 | ECR58D EXCAVATOR | Aftermarket |
| 7 | SEAL KIT | 403-02392 | SOLAR 010 CRAWLER EXCAVATOR | Aftermarket |
| 8 | Seal Kit | 0843808 | 50C EXCAVATOR | Aftermarket |
| 9 | BACK-UP RING | 0939910 | EX8000-6B EXCAVATOR - EX-6B | Aftermarket |
| 10 | Back-Up Ring | H178696 | 2154G EXCAVATOR | Aftermarket |
| 11 | RING; BACK-UP | 0133704 | UH172 EXCAVATOR - UH | Aftermarket |
| 12 | Sealing kit | VOE11710882 | EC35 EXCAVATOR | Aftermarket |
| 13 | COVER | K9001182 | DX300LL FORESTRY MACHINE | OEM Equivalent |
| 14 | Ring | FXB00012495 | ZAXIS85USB-5N EXCAVATOR - ZAXIS | Aftermarket |
| 15 | COVER | 3753700796 | SOLAR 220LC-V CRAWLER EXCAVATOR | Aftermarket |
The operational integrity of your excavator heavily relies on the performance of its sealing systems. A compromised seal can lead to hydraulic fluid leaks, reduced system pressure, increased wear on components, and ultimately, significant operational inefficiencies and potential machine failure. Back-up rings work in conjunction with seals to prevent extrusion of the seal under high pressure, extending its lifespan and maintaining consistent performance. Investing in high-quality seals and back-up rings is not just about replacing a worn part; it's about safeguarding your entire hydraulic system and ensuring the reliable operation of your equipment, including the hydraulic pumps that drive your machine.
At Tonkee Machinery, we understand the nuances of excavator spare parts and are dedicated to providing products that meet the highest standards of quality and reliability. Our commitment to excellence ensures that when you choose Tonkee, you're choosing parts that will stand up to the toughest challenges.
Expertise & Experience: With years of experience in the heavy equipment parts industry, we possess in-depth knowledge of excavator components and their precise requirements.
Quality Assurance: All our parts undergo rigorous quality checks to ensure they meet stringent performance and durability standards.
Extensive Inventory: Our comprehensive stock means less waiting time and quicker repairs for your machinery.
Customer-Centric Service: We are dedicated to providing excellent service and support, helping you find the right parts with ease.
Ensure your excavators continue to operate at peak performance with Tonkee Machinery's premium seals and back-up rings. Explore our product range today and experience the difference that quality makes.
© 2025 Tonkee Machinery Co.,Ltd. All Rights Reserved.
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