The Kubota 6C30021210 is a genuine OEM main shaft gear designed for the transmission system of a wide range of Kubota agricultural and compact tractors. This critical component ensures proper power transfer and smooth operation within the gearbox. It is compatible with models including B2320, B2620, B2920, B3000, B3030, B3200, B3300, B7510, B7610, B7800, L3400, L3901, L4701, L3200, L3800, BX1850, BX2350, BX2660, BX2360, BX2670, BX2370, BX2680, and BX2380.