
Product Maker: | Fulian Machinery Co., Ltd. | |||
Production Capacity: | 50000 PCs/Month | |||
Quality Certification: | ISO 9001:2008 | |||
OEM/ODM Orders: | Β Accept | |||
Delivery Port: | Xiamen, Guangzhou, Ningbo…(Any Port in China) | |||
Lead Time: | 24-48 Working Hours for In-Stock Products (25-45 Days for Bulk Orders) | |||

Robust Construction – 27SiMn hardened cylinder tube 45 hard chrome piston rod, resists >200,000 impact cycles
Precision Sealing – German HNBR seals + PTFE backup rings ensure zero-leakage at 35MPa
Easy Installation – Pre-assembled hydraulic adjuster assy with grease fittings & brackets, no welding needed
Heavy Duty Design – Meets ISO 6402 burst test & IP68 dust/water resistance for long service life
Multi-Brand Fit – CAT track adjuster assy, Komatsu track tensioner assy, Volvo track adjuster replacement, Hitachi adjuster assembly

| Parameter | Specification |
|---|---|
| Max Pressure | 35 MPa (5,000 PSI) |
| Rod Diameter | DN 45mm Hard Chrome Plated |
| Stroke Range | 180-250mm (1mm tolerance) |
| Temp Range | -40C to +120C |
| Seal Material | HNBR + PTFE |
| Service Life | >10,000 Operating Hours |
Fixes track sagging and tension loss on excavators
Prevents undercarriage derailment during high-load operation
Reduces sprocket wear, idler wear, and bottom roller vibration
Eliminates frequent manual track re-tensioning

48H Quick Dispatch Stock ready for CAT, Komatsu, Hitachi, Volvo excavator parts
OEM Replacement Direct fit for popular excavator track adjuster assemblies
1-Year Warranty Covers leakage and deformation under normal use
Engineering Support Installation guide, CAD drawings & technical consultation available
Contact us with your excavator model/year to confirm the correct excavator track adjuster assy!
We provide more than just replacement parts. Our goal is to support your business with reliable service, practical technical assistance, and flexible order solutions.
Our technical team assists you in confirming the correct part based on machine model, OEM reference, dimensions, and working conditions. This helps ensure proper fitment and reduces the risk of installation or performance issues.
We offer flexible MOQ solutions to support distributors, dealers, and project-based orders. Low MOQ is available for selected products, making it easier to test the market or support urgent replacement needs. With fast dispatch in as little as 24 hours and reliable door-to-door delivery, we help you reduce downtime and keep your projects moving on schedule.
Customized specifications are available, including dimensions, materials, heat treatment, and sealing solutions, based on different applications such as construction, mining, or rental operations.
We provide installation guidance, usage recommendations, and troubleshooting support. Our team responds quickly to help resolve technical issues and minimize equipment downtime.
With stable production capacity and long-term export experience, we ensure consistent quality, clear lead times, and dependable supply for global customers.
We work closely with distributors and equipment owners, offering continuous technical advice and service support throughout the full service life of the product.
Our products are designed and manufactured to meet the highest standards, ensuring durability, reliability, and optimal performance under demanding working conditions.
We use premium-grade steel, alloys, and durable rubber compounds, carefully selected for wear resistance and long service life. Every component is tested to withstand heavy loads, extreme temperatures, and harsh working environments.
All parts are produced using precision CNC machinery, forging, and heat-treatment processes. Our manufacturing techniques ensure consistent quality, tight tolerances, and superior mechanical strength.
Unique sealing systems and reinforced structures reduce wear and prevent contamination, extending the lifespan of parts such as rollers, sprockets, and track chains. Every detail is engineered for reliability and performance.
We offer tailored solutions for different machines, working conditions, and industry requirements. Free technical drawings are provided, and sample-based customization is supported, allowing us to match exact specifications. Customized materials, dimensions, and production processes are available for construction, mining, or rental fleets.
Every product is thoroughly inspected before shipment, ensuring 100% compliance with OEM standards. Our quality control system guarantees consistent performance and long-term reliability.
By combining high-quality materials, advanced manufacturing, and rigorous testing, our products provide superior durability, reduced maintenance costs, and improved uptime for your equipment.







π₯ Up to USD 100,000 OFF! π₯
βοΈ Huge savings on top-quality undercarriage parts!
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π Celebrate 2026 with exclusive New Year offers β this month only!
Fulian Machinery β Trusted supplier of excavator undercarriage parts worldwide.

βοΈ Huge savings on top-quality undercarriage parts!
β‘ Donβt miss your chance to upgrade your machines at unbeatable prices!
π Boost performance, reduce downtime, and save big!
π Celebrate 2026 with exclusive New Year offers β this month only!
Fulian Machinery β Trusted supplier of excavator undercarriage parts worldwide.
Looking for premium parts with incredible discounts?
Contact us now before the best deals are gone!

βοΈ Huge savings on top-quality undercarriage parts!
β‘ Donβt miss your chance to upgrade your machines at unbeatable prices!
π Boost performance, reduce downtime, and save big!
π Exclusive year-end deals available only this month!
Fulian Machinery β Trusted supplier of excavator undercarriage parts worldwide.

βοΈ Huge savings on top-quality undercarriage parts!
β‘ Donβt miss your chance to upgrade your machines at unbeatable prices!
π Boost performance, reduce downtime, and save big!
π Exclusive year-end deals available only this month!
Fulian Machinery β Trusted supplier of excavator undercarriage parts worldwide.
Looking for premium parts with incredible discounts?
Contact us now before the best deals are gone!

βοΈ Big discounts on tracks, rollers, sprockets, and more!
β‘ A special thank-you to our customers with the lowest prices of the year!
π Upgrade your machines and boost your business this season!
Fulian Machinery β Excavator parts trusted worldwide.

βοΈ Big discounts on tracks, rollers, sprockets, and more!
β‘ A special thank-you to our customers with the lowest prices of the year!
π Upgrade your machines, boost your business, save big!
π Upgrade your machines and boost your business this season!
Fulian Machinery β Excavator parts trusted worldwide.

βοΈ Huge discounts on tracks, rollers, sprockets, and more!
β‘ Donβt miss your chance to grab top-quality parts at the lowest prices!
π Upgrade your machines, boost your business, save big!
π Unstoppable deals on undercarriage parts all month long!
Fulian Machinery β Excavator parts trusted worldwide.

βοΈ Huge discounts on tracks, rollers, sprockets, and more!
β‘ Donβt miss your chance to grab top-quality parts at the lowest prices!
π Upgrade your machines, boost your business, save big!
π Unstoppable deals on undercarriage parts all month long!
Fulian Machinery β Excavator parts trusted worldwide.

π₯ Up to USD 10,000 OFF! π₯
βοΈ Excavator undercarriage parts designed for heavy-duty digging, less downtime, and stronger performance.
β‘ Miss it now, wait another year!
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π Coupons valid for 1 year + surprise gifts with every order!
Β
Fulian Machinery β Excavator parts trusted worldwide.
Looking for great deals on parts?
Chat with us to get exclusive discounts and a free catalog today!