... /O:YC6L280-30 4.Certificate:ISO9001 YC6L280-30 Vertical\In-liner,Water-cooling,4 Stroke,Direct injection Bus Diesel Engine Model ... -40YC6L330-40YC6L240-30YC6L260-30YC6L280-30YC6L310-30YC6L330-30YC6L310-20YC6L330-20TypeVertical\In-liner,Water-cooling,4 Stroke,Direct injectionValves number24VDisplacement (L)8.4Air ...