C-Block Tracks
C-block rubber tracks built for dependable traction, durability, and daily performance across dirt, gravel, clay, and mixed construction jobsite conditions.
High-grade Kubota KX121-2S rubber tracks and undercarriage parts, engineered to OEM fitment in . Heavy-duty construction for digging, grading and trenching — every order ships free.
Kubota KX121-2S — Track Spec Sheet
- Track size:
- Width: 350 mm
- Pitch: 54.5 mm
- Links: 86
Choose Your Tread
- Directional — Mini-excavator standard — angled lugs for digging, grading and trenching traction.
Kubota KX121-2S Undercarriage Lineup
Every wear part for the Kubota KX121-2S undercarriage, fit-verified and ready to ship:
- Drive Sprocket — OEM Part #RD118-14433
Why TrackTECH
- Endless high-tensile cables — single-cure construction with no weak splice point.
- Precision OEM alignment — a reinforced roller path keeps running smooth and vibration low.
- Continuous steel cord — up to 40% stronger than typical aftermarket tracks, resisting stretch and de-tracking.
- Free freight to the lower 48 — every order ships free, with same-day dispatch on in-stock items.
Upgrade your Kubota KX121-2S today. Order online for free freight, or call (850) 816-7898. Need a hand matching size and guide? Try the Track Finder.
Direct Replacement Rubber Tracks for the Kubota KX121-2S
Direct replacement rubber tracks for the Kubota KX121-2S are built for heavy-duty compact equipment applications where traction, stability, and uptime matter. These tracks are designed for dependable grip, smooth travel, and consistent performance across dirt, clay, gravel, demolition debris, utility work, grading, land clearing, excavation, and mixed jobsite terrain.
Heavy-Duty Construction for Daily Work
Premium virgin rubber compounds help resist tearing, chunking, cracking, dry rot, and premature tread wear under demanding field conditions. Continuous steel cord reinforcement adds internal strength, helps reduce stretching, and supports stable track performance through repeated turning, travel, and loading.
OEM Fit Guarantee
Machine-specific sizing, steel link spacing, and guide lug geometry are built for proper undercarriage engagement on the Kubota KX121-2S. Precision-aligned fitment helps support smooth travel, stable tracking, reduced vibration, and reliable sprocket contact.
Built to Protect the Undercarriage System
A well-built rubber track helps improve machine control while limiting unnecessary stress on rollers, idlers, and sprockets. For contractors running Kubota equipment, that means better ride quality, stronger traction, less downtime, and better value over the life of the track.
Frequently Asked Questions
What size rubber track does the Kubota KX121-2S use?
The Kubota KX121-2S uses a 350x54.5x86 rubber track. Always confirm against your current track or the machine's spec plate, since some units shipped with more than one option.
Will this track fit my Kubota KX121-2S?
Yes — this track is matched to the Kubota KX121-2S by size and tread pattern. If your machine has a serial break or factory option, send the serial number and we'll verify fitment before shipping.
Do Kubota KX121-2S tracks sell in pairs?
Tracks are priced individually; a full machine needs two. Most owners replace both at once so wear stays even.
Are these OEM or aftermarket Kubota KX121-2S tracks?
OEM-grade aftermarket tracks built to factory fitment for the Kubota KX121-2S — same dimensions and guide type, continuous steel-cord belt, at a better price than dealer OEM.
How do I confirm the right track size for my Kubota KX121-2S?
Read the size stamped on the inside of your current track, or measure width x pitch x links. Not sure? Message us and we'll match it.
