valeo single-disc clutch mechanism compatible with bertolini for walking tractor mower tractor models 450 series diesel (3 cylinders) ferrari for walking tractor (transporter) tractor models 76 2nd series massey ferguson for wheeled tractors models ? 353 354 f 354 s ( n p50186) 354 v 354 s (n p50187 ) 354 v 363 364 f 364 s ( n p50186) 364 s (n p50187 ) 364 v features single-disc clutch 㘠180 mm with diaphragm code: 50187 original part no.: 81.913460 em