We use precision manufacturing to deliver the highest quality parts Compatible with Kubota Construction & Industrial(s) KX040-4, KX121-3. Compatible with Kubota Mini Excavator(s) KX121-3. Replaces Kubota OEM nos RD118-22310. Replaces Mfg nos RT100801KB. Width: 350 mm. Pitch: 54.5 mm. Links: 86. Tread Pattern: KC. Our rubber tracks deliver enhanced traction, a smoother ride and improved durability through the use of CSC (continuous steel cording) additionally, they are precision-manufactured from a combination of high-quality synthetic and virgin natural rubber, offering superior flexibility and resistance to abrasion and tears with up to 30% more rubber compared to alternative tracks from the same class.