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2X Bottom Roller RD118-21700 For Kubota KX121-3 Mini Excavator Undercarriage
$349.89
Sale price
$349.89
Regular price
Available to Order
This Bottom Roller is a high-quality aftermarket replacement part compatible with Kubota KX121-3 Mini Excavator and matches OEM Part# RD118-21700.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
This set of two heavy-duty bottom rollers is engineered for the Kubota KX121-3 mini excavator undercarriage. These rollers are designed to support the weight of the machine while providing smooth track movement across various terrains, ensuring operational stability and reducing wear on the track links.
Key Features & Performance
- Heavy-Duty Construction: Forged from high-strength steel to withstand rigorous work conditions.
- Internal Seals: Equipped with high-quality seals to prevent debris entry and retain lubrication.
- Precision Fit: Manufactured to exact tolerances for seamless integration with the existing undercarriage system.
- Extended Life: Heat-treated surfaces provide superior wear resistance for long-term service.
Fitment & Compatibility
- Main Models: Kubota KX121-3
- Equipment Type: Mini Excavator
Technical Specifications
- Part Number(s): RD118-21700
- Component Type: Bottom Roller (Track Roller)
- Quantity: 2
Frequently Asked Questions
- Q: Are these rollers pre-lubricated? A: Yes, these rollers are fully sealed and lubricated, ready for immediate installation.
- Q: Does this package include both rollers? A: Yes, this listing is for a set of two bottom rollers.
Compatibility may vary by serial number. Verify fitment before purchase.