Blade for lawn tractor mower mowers 40BP 40PO 40PO-HQ 40PT 395PB 395PO 400-40 4035PO GBR40 GBR40ECO HB40B MX40BB A: 395mm B: 4 points C: 8mm D: 63.5mm E: 3. 5mm F: 57mm A: Diagonal blade length B: Centre hole dia. C: Positioning hole dia. D: Positioning hole dia. E: Blade thickness F: Blade width MTD Code: R303958 Original part no.: 74204111 AT