Carrier Rollers are essential components that support the upper section of a track chain, maintaining stability and smooth operation in tracked machinery. They help balance track tension and minimize wear on other undercarriage parts. Under the USTELLA brand, Kunshan You Star Machinery Co., Ltd — part of the Lei Shing Hong Group — manufactures and supplies premium aftermarket rollers designed for reliability and long service life in demanding construction and mining environments.
Our Carrier Rollers are engineered with advanced precision to meet the rigorous demands of heavy-duty equipment. Each unit undergoes a three-stage quality inspection to ensure consistent performance and durability. With in-house R&D, we continuously enhance our undercarriage components to deliver superior load-bearing capacity and resistance to impact and abrasion. These rollers are built to perform under extreme conditions, helping reduce downtime and maintenance costs.
USTELLA offers a complete range of rollers suitable for excavators, bulldozers, and mining machinery. Options include single flange, double flange, and heavy-duty types, each designed to match specific operating requirements. The table below summarizes key types and their typical applications:
| Type | Description | Typical Application |
|---|---|---|
| Single Flange Carrier Roller | Provides stable support for medium-sized excavators | Caterpillar, Komatsu models |
| Double Flange Carrier Roller | Ensures accurate track alignment under heavy loads | Bulldozers and mining machinery |
| Heavy-Duty Carrier Roller | Designed for high-impact, continuous-duty operations | XCMG, SANY large excavators |
All USTELLA rollers are fully interchangeable with OEM parts from leading brands such as Caterpillar, Komatsu, XCMG, and SANY, ensuring a precise fit and reliable performance.
Our undercarriage rollers are compatible with a wide range of construction, mining, and earthmoving machinery. They integrate seamlessly with OEM track systems, offering equivalent fit, function, and performance. Whether used on crawler excavators, bulldozers, or track loaders, these components help maintain machine stability and efficiency in challenging terrains.
USTELLA stands out for engineering excellence and strong corporate backing from the Lei Shing Hong Group. Customers benefit from:
These advantages make USTELLA rollers a preferred choice for operators seeking dependable aftermarket parts that minimize downtime and extend equipment life.
Choosing the correct roller ensures optimal performance and longevity. Consider factors such as equipment type, operating environment, and load capacity. Properly matched undercarriage components reduce wear and improve efficiency. For expert guidance, contact our technical support team for personalized recommendations.
Kunshan You Star Machinery offers flexible solutions for custom carrier rollers and OEM replacements. With agile production capabilities, we handle both low- and high-volume orders to meet diverse client needs. Each roller is built to OEM-equivalent standards, ensuring perfect fit, consistent performance, and long-lasting durability.
As a globally recognized manufacturer of aftermarket undercarriage parts, USTELLA leverages its worldwide logistics and service network to ensure prompt delivery and responsive after-sales support. Our customers benefit from reliable technical consultation, warranty coverage, and long-term partnership confidence.
A carrier roller supports the upper section of the track chain, maintaining proper tension and smooth movement. This enhances stability and reduces wear on other components.
Yes. Our rollers are precisely engineered to fit major brands such as Caterpillar, Komatsu, XCMG, and SANY, offering OEM-equivalent quality and performance.
Service life depends on usage and conditions, but USTELLA rollers are designed for extended durability and consistent performance in demanding environments.
Absolutely. We provide custom manufacturing options based on your equipment requirements and operational conditions.
Yes. All USTELLA replacement parts, including carrier rollers, come with a comprehensive warranty for quality assurance and customer satisfaction. For detailed specifications or a quote, contact Kunshan You Star Machinery — your trusted global carrier roller manufacturer and supplier.
Our carriers are produced from quality cast iron and tempered to remove any stresses due to processing. You Star Carriers are packaged in chemically treated paper or nylon bags to prevent corrosion during extended storage under unfavorable conditions.