S60 engine is a heavy electronic fuel injection diesel engine which is one of the world's earliest developed and put into the market, Detroit Diesel Electronic Control System (DDEC®) is used as electronic control which is an advanced electronic fuel injection and control system.EUI pump nozzle injection technology, in-line 6 cylinders, water cooling, turbocharger, air-to-air cooling, top camshaft, special ceramic injector rocker arm roller, combined piston, turbocharger with wastegate optimized load response. Since it was put into the market in 1986, it has experienced more than 20 years of practical test, and by the end of 2004, the total sales of S60 reached 980,000 units. The electronic control system has been developed to the sixth generation (DDEC VI), and all kinds of cooperative components related to electronic control are perfect. Stable, reliable and durability is the main feature which got the user's positive evaluation, it is widely used in various fields.