... ·The engines are mainly applied to 2-4 T light-duty trucks, 6-8m buses and city buses ... power output,with the features such as compact,light weight,,powerful,fuel-saving,long service life,good ... digital control machinery, so it features good rigidity and light weight. ·Crankshaft is made of alloy-steel forged ... The engines are mainly applied to 2-4 T light-duty trucks, 6-8m buses and city buses ...