The Kubota U50 Excavator Track Roller is an important undercarriage component designed to support the excavator’s track system and maintain smooth crawler movement. As the lower roller carries the weight of the machine, it operates continuously against the track assembly during excavation, traveling and other construction activities.

Xiamen Doozer supplies replacement track rollers for Kubota U50 excavators, suitable for construction, landscaping, earthmoving and general excavation applications. The roller is designed to work with the track chain while helping maintain proper track alignment and weight distribution throughout the undercarriage system.

For the Kubota U50-3, the Kubota parts catalog identifies RD411-2170-0 as the complete truck roller assembly, with 8 assemblies listed for the machine. The catalog also identifies RD411-2174-0 as the roller assembly within the track roller structure. These references should be checked against the machine serial number before ordering.

Aftermarket undercarriage catalogs also list replacement bottom rollers for the Kubota U50-3 and related models. For example, RD411-21740 is listed for the U50-3 together with several Kubota KX and U-series excavators. Because undercarriage configurations can change between model versions and serial ranges, buyers should confirm the exact machine configuration before purchase.

A properly matched track roller can help maintain stable track movement and reduce uneven contact between the track chain and undercarriage components. For replacement applications, customers should confirm the excavator model, serial number, existing roller dimensions or OEM reference.

Xiamen Doozer provides excavator undercarriage components including track rollers, carrier rollers, front idlers, sprockets, track chains and track shoes. Contact us with your Kubota U50 model and part information for fitment confirmation.

• High-Strength Construction – Designed for demanding excavator undercarriage applications.
• U50 Application – Suitable for Kubota U50-series excavator configurations.
• Stable Track Support – Helps support the machine and guide the track assembly.
• Wear-Resistant Design – Suitable for repeated contact with track links.
• Replacement Solution – Suitable for worn or damaged bottom roller replacement.
• Multiple Reference Options – OEM reference can be checked according to machine configuration.
• Factory Supply – Xiamen Doozer supplies construction machinery undercarriage parts worldwide.