... running,with air cleaner and exhaust silencer. Air Cooled Engine Performance CurvesPerfomance measured after 30hrs running,with air cleaner and exhaust ... 60%[60%]Model170F178F186FTypeSingle-cylinder,Vertical,4-stroke,air-cooled diesel engine Combustion system Direct injection Bore*stroke(mm)70*5578*6286 ... -24AH12V-35AHNet weight(kg) 273348Dimensions(mm) L324358392W410421470H416450494 Air Cooled Engine