The Kubota W21TS01589 Shaft is a genuine OEM replacement part designed for various Kubota machinery. This essential component ensures reliable operation in Kubota L-Series Tractors including L3301, L3901, and L4701 models. It is also compatible with RTV-X Series Utility Vehicles such as RTV-X1100CR, RTV-X1100CW, RTV-X1120DR, RTV-X1120DW, RTV-X1140R, and RTV-X1140W. Additionally, this shaft fits ZD-Series Zero Turn Mowers including ZD1011, ZD1021, ZD1211, ZD1211L, ZD1211R, ZD1211RL, ZD1511, ZD1511L, ZD1511LF, ZD1511RL, and ZD1511RLF, providing precise fitment and durability.