The Kubota 1685163822 Gear Ring is an authentic OEM replacement part designed for various Kubota machinery. This component is crucial for the proper function of the drivetrain or transmission system in compatible models. It fits Kubota B-Series compact tractors including B1700D, B1700E, B1700HSD, B1700HSE, B2100D, B2100HSD, B2100HSE, B2400D, B2400HSD, B2400HSE, B2410HSD, B2410HSE, B2410HSDC, B2710HSD, B2910HSD, B7300HSD, B7400HSD, B7500HSD, B7500HSDC, B7600HSD, B7600HSDC, and B7800HSD. It also fits T-Series garden tractors such as T1770, T1870, T2070, T2270, T2370, ZD-Series zero-turn mowers like ZD21, ZD21F, ZD28, ZD28F, and GR-Series ride-on mowers including GR2100, GR2110, GR2120. This genuine part ensures optimal performance and durability for your Kubota equipment.