The Kubota 3B29405105 is a genuine OEM Diesel Exhaust Fluid (DEF) tank assembly, weighing approximately 2.5 kg. This critical component is designed for specific Kubota L6060HSTC, L6060HST, MX5400HST, MX6000HSTC, and MX6000HST agricultural tractors. It stores the DEF, which is essential for reducing harmful emissions and ensuring optimal engine performance in compliance with environmental regulations. Constructed from durable materials, this assembly offers reliable and long-lasting service in demanding operational environments.