In 1984, Caterpillar introduced the 3600 engine family. The diesel engine quickly earned a reputation in the field as a robust performer, a reliable provider of optimized power and low maintenance in high horsepower applications. Recognizing the platform’s potential for gas compression applications, Caterpillar unveiled the first G3600 engine in 1991. The first G3606 featured a horsepower range of 1500‐1666 bhp and NOx level of 0.7 g/hp‐hr. Over the course of the next three years, Caterpillar expanded the model to a series of a four offerings including the G3606, G3608, G3612 and G3616, to account for the industry’s quick acceptance of the platform.