Kubota RC348-21302 U25 Idler Assembly

PRODUCT DESCRIPTION

After years of reliable service on the KX71-3 series, the RC348-21302 idler is now compatible with the U25 series. We have supplied this dependable idler for many years, and it now extends to the U25-3 and U27-4 series. It serves as a high-quality aftermarket replacement tensioner idler for the following Kubota mini excavators:
Kubota KX 71-3
Kubota U-25 / U25-3
Kubota U-27-4
Kubota KX030-4 (corresponding part number: RC348-21304)

I. Core Functions
Maintains proper track alignment and guides the track into and out of the track rollers;
Works with other components to support the machine’s weight and adjust track slack and tension, ensuring stable operation.

II. Structure and Installation Features
Comes as a complete assembly, including bearings and mounting arms—no additional assembly required;
Does not include the tensioner. The product shipped is identical to the pictured item, ready for direct installation.

III. Quality and After-Sales Assurance
Maintenance-Free Design: Equipped with sealed bearings, requiring no maintenance throughout the product’s service life, reducing maintenance costs.
Quality Craftsmanship: Manufactured strictly to original specifications with high-quality seals, effectively blocking dust and debris while retaining lubrication to extend equipment lifespan.
Fitment Guarantee: Ensures precise fit and comes with a standard manufacturer’s warranty.

IV. Alternate Part Numbers
Corresponding Kubota dealer part numbers: RC348-21302, RC348-21303, RC348-21304

Whether for classic KX series models or new U series equipment, this idler assembly is a reliable choice to ensure efficient operation of the track system. It offers easy installation and guaranteed fitment!