The Kubota 6877321950 is a genuine OEM lower roller designed for Kubota KX080-3, KX080-3T, KX080-4, U55, and U55-4 compact excavators. This essential undercarriage component supports the track and guides it smoothly, reducing wear and extending the lifespan of the track system. Manufactured to Kubota's stringent quality standards, this lower roller ensures reliable performance and durability in demanding operating conditions. Weighing approximately 5.44 kg, it is a direct replacement part for maintaining optimal machine performance.