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A new heavy duty diesel truck engine, the 3306 DITA, has been developed by Caterpillar Tractor Co. The engine is an Inline 6 cylinder covering the 245-270 hp (182-201 kW) range. A primary objective of the development program was a 7-10% reduction in fuel consumption while maintaining the durability, reliability, and serviceability required of a heavy duty truck engine. Manufacturing considerations for high volume tooling were emphasized during the design stage. This paper deals with the design, development and performance aspects of the engine.
LA Thompson (Mon,) studied this question.