Bottom Track Roller fits for Caterpillar Hydraulic CAT Replaces OEM 340-8957, 2PK

Check out the addition of our dubbed Cast 340-8957 Track Bottom Roller for CAT 304, 305CR, 305, 305.5 Excavator. Bottom rollers, also called track rollers, are crucial parts of a mini excavator that ensure smooth movement along the track. We have constructed this heavy-equipment roller from robust round steel with a casting process to ensure its durability. It’s the exact replacement for OEM part number 340-8957 and is compatible with Caterpillar mini hydraulic excavators. Learn more about the specifications below:- Durable Construction: Our replacement roller is constructed from highly durable round steel. It will withstand the load of a mini excavator track while supporting and maintaining the weight of the machinery. To ensure robustness, we have crafted the roller from the casting process. It will ensure longevity and efficient operation. The roller has a lifespan of 600 operational hours or 1 year. Dimension & Designs: We have manufactured this bottom roller with exact OEM specifications and standard OEM part number 340-8957, perfectly fitting the Caterpillar excavator. The length, outer diameter, and shaft diameter are 7-1/2 in, 4 in, and 1-1/8 in, respectively. Check out the complete compatibility list below. Restrict Contaminants: This CAT part has a protective seal constructed from nitrile butadiene rubber (NBR). During operations, it restricts the entry of environmental elements, such as dirt, debris, and others. The seal keeps the lubrication intact and retains the oil for smooth functioning and high performance. Also, keep it rust-proof. High Wear Resistance: This replacement roller has high wear resistance, providing a smooth ride on uneven and harsh terrains. It has a surface hardness of HRC 52-56 and acrylic polyurethane coating, reducing your maintenance race and frequent replacements. Compatibility List: Replaces OEM Part No.: 340-8957 Compatibility with CAT 305CR, 306, 305, 305.5, 304.5, 304