The Kubota KX121-3ST is a mini excavator, a variant of the third-generation KX121-3. Hydraulic Cylinders, Inc. builds replacement hydraulic cylinders and parts to fit it. Order by 12:00 PM CST for FASTSHIP same-day dispatch, with Buy Now, Pay Later at checkout. Explore the full Kubota lineup, and Demolish Downtime.
Kubota KX121-3ST Replacement Hydraulic Cylinders and Parts
Kubota KX121-3ST FAQ
The Kubota KX121-3ST is a four-ton-class mini excavator used for digging, trenching, and loading on construction, landscaping, and utility jobs. It belongs to the -3 generation of Kubota’s KX excavator line, produced during the 2000s and early 2010s. HCI carries replacement hydraulic cylinders and parts to keep it working.
Every cylinder and part on this page lists its OEM cross-references, so you can match them against the numbers on your old unit. Still unsure? Call our team at 888-771-1894 to confirm fitment — have your serial or the number on the old cylinder ready — or browse the full Kubota catalog to find your model.
Any item that shows the FASTSHIP logo and is marked In Stock ships the same day when you order by 12:00 PM CST, Monday through Friday.
