3C051-42300 Ring Gear and Pinion Fits Kubota Tractor M4-071HDC12 M4D-061(1) New Aftermarket Replacement Ring Gear and Pinion Fits Kubota Tractor Model(s): M4 071HDC12, M4D 061, M4D 061HDC12, M4D 071, M4D 071HDC12, M4N 071, M5N 091, M5N 111, M5660, M59, M6040, M6040DT, M6040DT 1, M6040DTC, M6040DTC 1, M6040HD, M6040HD 1, M6040HDC, M6040HDC 1, M6040HDNB, M6040HDNB 1, M6060, M6060HD, M6060HDC, M62, M7040, M7040DT, M7040DT 1, M7040DTC, M7040DTC 1, M7040HD, M7040HD 1, M7040HDC, M7040HDC LTD, M7040HDC 1, M7040HDNB, M7040HDNB 1,