Skip to product information
Usually ships in 2–4 business days.
2X Bottom Roller for Kubota KX121-3 KX121-3S KX121-3ST Rubber Track RD118-21700
$349.89
Sale price
$349.89
Regular price
Available to Order
This 2X Bottom Roller is a high-quality aftermarket replacement part compatible with Kubota KX121-3, KX121-3S, KX121-3ST 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 heavy-duty bottom roller set is designed for maximum performance in demanding environments. Specifically engineered for Kubota mini excavators with rubber tracks, these rollers ensure even weight distribution and smooth track movement to minimize undercarriage wear.
Key Features & Performance
- Reinforced steel construction for increased durability
- Precision-sealed bearings to prevent contamination
- Optimized for rubber track surface contact
- Direct fit replacement for easy installation
Fitment & Compatibility
- Compatible Models: Kubota KX121-3, KX121-3S, KX121-3ST
- Track Compatibility: Rubber Tracks
Technical Specifications
- Part Number(s): RD118-21700
- Component Type: Bottom Roller
- Quantity Included: 2
Frequently Asked Questions
- Q: How many rollers are included in this listing? A: This listing is for a set of two bottom rollers.
- Q: Is any modification required for installation? A: No, these rollers are designed as direct replacements for the OEM part numbers listed.
Compatibility may vary by serial number. Verify fitment before purchase.