Forged RD441-21702 Lower Roller Track Loaders for Kubota Mini Excavators Replaces KX161-3, KX161-3SCA, KX161-3STCA, KX057-4CA, KX057-4 Sunbelt Track Frame

Here’s our Forged RD441-21702 Bottom Roller Track for Kubota KX161-3, U55-4, KX161-3S, KX161-3ST Mini Excavator. It’s curated from round steel and forging process, allowing robustness and durability to withstand rugged conditions. It is manufactured with exact OEM specifications, enabling seamless compatibility with Kubota mini excavators. Thus providing crucial support needed during excavator operations in agricultural fields. Get the aftermarket replacement today and begin smooth operation.

• Heavy-Duty Construction: We have designed this replacement roller round steel (50Mn). It’s known for its strength and durability, and it can efficiently handle the load of mini excavators. It will provide your machine with the support and smooth movement needed. It will provide your machine with the support and smooth movement needed. It will perform well despite continuous use and operations. However, it has a 600-hour or 1-year life expectancy, and exceeding this limit will affect efficiency.
• Manufactured with Exact OEM Specifications: We have manufactured this bottom roller with exact OEM specifications and part numbers RD441-21702, providing a perfect fit for the Kubota mini excavators. The track roller’s length is 8", outer diameter is 5-1/8", and 1-3/8" shaft diameter.
• NBR Protective Seal: Our mini excavator loader’s bottom track roller includes a protective seal of nitrile butadiene rubber (NBR). During operations, it restricts the entry of environmental elements, such as dirt, debris, and others. Also, ensures the proper lubrication while retaining the oil for smooth functioning and high performance. Our bottom rollers are rust-proof.
• Additional Details: This replacement roller has high wear resistance following acrylic polyurethane coating, providing a smooth ride on uneven and harsh terrains. It has rust resistance and HRC 52-56 surface hardness, reducing your maintenance race and frequent replacements. Also, the working temperature range of this roller ranges from -22°F to 230°F (-30°C to 110°C).
• Compatibility List:
  • Replaces OEM Part No.: RD441-21702
  • Compatibility with Kubota Mini Excavators: KX161-3, KX161-3SCA, KX161-3STCA, KX057-4CA, U55CA, U55-4CA, U55-4, KX057-4 Sunbelt Track Frame.