The S4000 was invented in 1990s which is the result of a strategic partnership between MTU and DDC to design. Individual cylinder head with 90o V-type configuration, Charge air intercooler, Separate HT(JW) and LT(CAC) coolant circuits with separate coolant pumps and thermostats. Adopt the German manufacturing process. The electronic control system is DDEC system for the construction and industrial application or MDEC system for the power generation and marine application. Fuel system is the common rail injection system which is the main feature of MTU exclusive technology in large-scale diesel engines application. It greatly improved the reliable, fuel economy and durability. It is widely used in Mining, Oil and Gas, Marine and Powergen application.