Description
Overview:
This Bush (455550,T) is a genuine Kubota replacement for high-load pivot points on mini excavators. Manufactured from robust, precision-machined steel with a protective surface finish, it is designed to support the pin, reduce friction, and maintain alignment under demanding site conditions. It is suitable for Kubota KX057-4 and U48-4 machines, among others, and is a direct replacement for OEM No. RD451 66630 (also written RD451-66630). Using the correct bush helps to control wear in linkages and joints, improving service life of surrounding components and keeping machine performance consistent. As a Genuine Part from Kubota, it offers assured fit and compatibility when used with the correct mating pin and lubrication as specified in the machine's maintenance schedule.
Key Features:
- Genuine Kubota part for assured fit, material quality and compatibility
- Direct replacement for OEM No. RD451 66630 / RD451-66630
- Durable steel construction to handle shock loads and continuous movement
- Precision-machined bore for smooth pin rotation and reduced play
- Helps minimise wear on pins and housings, maintaining tight linkages
- Protective surface finish to resist corrosion in wet and abrasive environments
- Suitable for common pivot points such as boom, arm and bucket linkages
- Straightforward to fit with standard workshop tools, aiding fast maintenance turnaround
Typical Applications:
Used during scheduled pin-and-bush maintenance on Kubota mini excavators to restore tightness in boom, dipper, bucket and blade linkages. Ideal when refurbishing worn joints, addressing excess play, or replacing seized components on machines working in construction, utilities, groundwork, and landscaping.
Also known as:
Excavator pivot bush, linkage bush, sleeve bush, boom/arm bush, bucket bush, pivot bushing, linkage bearing sleeve, replacement bush for Kubota mini excavators.
Fits Models:
KX057-4, KX057-5, KX0574, KX0575, U48-4, U48-5, U484, U485, U55, U55-4, U55-5, U554, U555
Alternate Part Numbers:
RD451 66630, RD451-66630, RD45166630
Product Specifications
| L&S Part No. | RD451 66630 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Kubota |
| OEM No. | RD451 66630 |
| Unit of Sale | 1 |
| Applications | KX057-4, KX057-5, KX0574, KX0575, U48-4, U48-5, U484, U485, U55, U55-4, U55-5, U554, U555 |
| Machine Type | Excavators |
| Fits Brands | Kubota |
| Fits Models | KX057-4 | U55-4 | U48-4 | KX057-5 | U48-5 | U55 | U55-5 |
