Blade for lawn tractor lawnmower mower CT131 CT141 CT151 CT153 CT154 CTH140 TWIN CTH141 CTH151 CTH163T CTH171 CTH173 CTH191 CTH2038 CTH2238TE LTH152 LTH152 LOWER BLADE A: 500mm B: 5 points C: D: E: 4. 5mm F: 55mm A: diagonal blade length B: Ø centre hole C: Ø positioning holes D: positioning hole spacing E: blade thickness F: blade width HUSQVARNA Part No.: R303937 Original part No.: 532427984 AT