The 02574-50160 locking nut is an essential OEM component from Kubota, engineered for high-vibration environments to prevent loosening. This part is commonly used to fasten Roll Over Protection Structures (ROPS), secure rear axle assemblies, and anchor motion or speed control levers in a wide range of Kubota equipment. From compact tractors and zero-turn mowers to ride-on units and industrial loaders, this nut ensures critical components stay secure under tough working conditions.
Primary Uses:
ROPS Systems: Secures protective frames in B2301, B2601, B3350, and more.
Rear Axle Assemblies: Found in GR series models including GR2100, GR2120, GR2020.
Steering Cylinders: Used in L-series tractors like L4350 and L5450.
Speed & Motion Control Levers: Installed in ZD321, ZD326P, ZG20F and other mower units.
Cabin Mounting & Swing Frames: Found in R420S, R520S loaders, BT1000 swing frames.
