The Kubota KX121-3 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.