Shop Kubota Excavator KX121-3S

About the Kubota KX121-3S Mini Excavator
MWE offers OEM quality replacement tracks and undercarriage for the Kubota KX121-3S Mini Excavator from MWE, Camso, and Bridgestone. Our tracks feature continuous steel (joint-less) cords and are constructed from virgin (non-recycled) rubber, strong enough to handle even the most extreme applications. Our tracks are chunk and tear resistant thanks to natural rubber compounds that minimize vibration and offer a smoother ride, handling, and performance for your Kubota KX121-3S.

Select from a wide range of tread patterns including Block, Multi-Bar, C-Pattern, and Blizzard that can provide both traction and flotation in a wide variety of applications. We have tracks for the Kubota KX121-3S in standard width, in addition to wide and narrow fitments. Choose a wider fitment to extend track life and minimize ground damage or use a narrow fitment for tight spaces.

Whatever your job requires, we have Rubber Tracks and Replacement Undercarriage Parts for your Kubota KX121-3S Mini Excavator at a savings nearly 50% less than dealer pricing. Please check out our products below. If you have any quesitons, our knowledgeable, professional sales team will take the time to evaluate and recommend the right product for your job.
Track Size
Primary Fitment350x54.5x86
Steel FitmentCH101-45-67-46L
Steel Links46
Steel Link TypeCH101-45-67
Front Idler/RollerFIRD118-21300 - FRONT IDLER KX121-3 - SAME AS RD148-21300
SprocketSPRD118-14433 - SPROCKET KX121-3
Bottom RollerTRRD118-21700 - Kubota KX121-3 Track Roller-Same as RD148-21700
***Hardware not included***
Top RollerCRRD411-22900 - CARRIER (TOP) ROLLER
Top RollerCR4392416 - JOHN DEERE 27C, 35C, 50C, 60D CARRIER ROLLER
Alternate Carrier Roller = CR4392416