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1994-1998 5.9 Cummins 12V

The second generation Cummins diesel engine, also known as the "12-valve," was first introduced in 1989 and was used in Dodge Ram trucks through 1998. The first variation of this engine, which was available in 1994, featured a "p-pump" fuel injection pump, new injectors, a larger intercooler, and a new turbocharger. These additions helped reduce emissions output compared to the previous generation and also improved performance. The engine produced 175 horsepower and 420 lb-ft of torque when equipped with the NV4500 5-speed manual transmission and 160 horsepower and 400 lb-ft of torque when equipped with the automatic 47RH transmission.