The Kubota RC20821904 Assy Roller Carrier is a genuine OEM component designed for various Kubota excavators, including the KX080-3, KX080-3T, KX080-4, U45, U45S, U45ST, U48-4, U55, and U55-4 models. This essential part supports the track system, facilitating smooth and reliable movement of the machine. Manufactured to Kubota's precise specifications, it ensures optimal performance and durability in demanding operating conditions. With a weight of approximately 4.60 kg and dimensions of 260.35 mm length, 196.85 mm width, and 139.7 mm height, this roller carrier is engineered for a perfect fit and long service life.