single-plate clutch mechanism type pi.vi. compatible with bertolini for walking tractor mower lawn tractor models 315 series 341 series 345 series ferrari for walking tractor (transporter) lawn tractor models 72 1st series mc 68 mc 64 characteristics single-plate 㘠140 3 levers with collar code: 50122 18800000 original code: 81.9032.00 81.9050.00 em