Premium Engines

Introduction Message from the CEO_04 | Company History_06 | Premium Engines_10 | Low Speed Diesel Engines_18 | Medium Speed Diesel Engines_20 Diesel Power Plants_22 | Parts Supply & Technical Service_24 | Operational Innovation_28 | Quality Managemant_30 | Warranty Services_32 R & D_34 | Organizational Culture_38 | Environmental & Safety Management_40 | Social Contributions_41

Industry Leader No. 1 Engine in the World The diesel engines built by Doosan Engine are the hearts that beat inside countless large vessels that traverse the seven seas. We have advanced in step with the evolution of diesel engines, taking the lead in next-generation, electronically controlled models. Today, our product quality is second to none, and we are committed, through constant change and innovation, to being the “No. 1 Engine Maker in the World” in the 21st century. DOOSAN ENGINE 2 3

CEO’s Message

Industry Leader No. 1 Engine in the World Doosan Engine: Pillar of Korean Shipbuilding. Doosan Engine has specialized in building very large diesel engines for more than thirty years, playing a key role in Korea’s emergence as the world’s leading shipbuilding nation. Our business lines include low and medium speed marine engines, diesel power plant construction and maintenance, as well as engine parts supply and after-sales services, and our operations are now world-class in every respect. The technology and know-how that we have acquired over the past three decades allowed us to reach the 80...

Company History

Industry Leader No. 1 Engine in the World We are rising fast as the leader of the global diesel engine industry! Technology and quality have powered Doosan Engine's advance toward global engine industry leadership. 1983 Aug. Diesel engine business begun. 1984 Oct. First engine (6L60MC, 9,173 kW) completed. 2000 2007 2002 Jun. Assembly Shop No. 3 completed. Jun. Environment management system ISO 14001 certified. Sep. Gold medal received in National Quality Circle Competition in Mar. Technology R&D center established. Mar. Integrated assembly shop completed. 2003 1994 May Presidential Commendation...

Premium Engines Premium Engines Our development of premium engines is creating a new paradigm in the diesel engine industry. Doosan Engine has earned the loyalty and respect of numerous customers by providing exceptional performance and quality, made possible by technology acquired over many years as well as by very strict production processes and quality standards. Our dedicated people applied excellent proprietary technology and rigorous quality control to create the industry's first vibration-controlled engine. 2011 DOOSAN ENGINE 8 9

What the Premium Engine is... Vibration-controlled Engine Doosan Engine has applied in-house vibration analysis and optimized engineering design to reduce engine vibration greatly, resulting in a premium model. Low Maintenance Cost We use top quality parts from government-certified suppliers and adhere to strict quality control during assembly to improve parts durability and reduce their failure rate. As a result, the cost of engine maintenance is lowered. Exceptional Services Doosan Engine operates a worldwide service network to deliver the services that customers need anywhere and anytime....

Premium Engines We combined know-how acquired over years with an intensive technology development effort to complete a unique premium engine that generates less vibration than conventional models. 2011 DOOSAN ENGINE 10 11 Our Patented Technology We apply unique know-how related to research, engineering design, and production as well as original technologies to build engines of premium quality and performance. Outstanding Technological Expertise Doosan Engine has acquired core technologies and know-how in the process of building large diesel engines for more than 30 years. This expertise has been...

Vibration-controlled Vibration-controlled Design Technology Our inspections are conducted by analyzing the forces that affect the overall vibration of the engine design, including the vibromotive force, natural frequency characteristics, lubrication, explosive forces, and fluid pulsation. Optimized Design We use the results of overall vibration analysis to create the optimal designs and stop excessive vibration at the source. Excess Vibration Inspection Measuring the vibration generated while the engine is in operation enables us to adhere strictly to the permissible standards. (Permissible Vibration...

Premium Engines Doosan Engine has creatively applied technology to build an environment-friendlier vibration-controlled engine that has set a new standard for the industry. Eco-friendly Engines that Comply with NOx Emission Standards Specialized technologies are being applied to raise the pressure of the turbocharged air, adjust camshaft timing and optimize fuel injection in order to satisfy the IMO standard, which goes into effect on January 1, 2011. Efforts to Mitigate GHG Emission Low-emission Technologies 12 We are helping protect the planet by developing ways lower exhaust emissions through...

High-tech Diagnostic System MEASUTAL (Digital Crankshaft Deflection Gauge) Measutal measures crankshaft deflection wirelessly and generates crankshaft alignment data automatically, expediting work processes and providing greater reliability. As such our proprietary digital crankshaft deflection gauge has become an indispensible tool when conducting maintenance and repair work. B-WACS (Bearing Warning and Control System) Our proprietary system measures the wear of the three major bearings in real time via non-contact proximity sensors equipped with a high-speed signal processor and 1/100mm accuracy....

Premium Engines Doosan Engine crafts premium engines that can minimize customers' maintenance and repair costs. Cost-effective Upkeep Expenses 2011 DOOSAN ENGINE 14 Engines are made with outstanding parts produced by suppliers certified by the Korean government The quality of the parts is fundamental to determining the quality of a finished engine. At least 80% of the major parts suppliers for Doosan Engine are certified by the Single PPM Quality program, which is recognized by the Korean government. We accept only the very best parts for the engines we build, and the quality of these parts is...