now in it's fifth generation. In 2003, the popular heavy-duty truck offered the Cummins third generation of engines, the 5.9-liter inline-six-cylinder diesel. Another change was a switch to 24 ...

5.9-Liter Cummins: Third Generation (24-Valve, 2003-2007, CP3 Injection Pump) Despite its issues, the VP44-equipped 24-valve edition of the 5.9-liter was highly desirable. There are a lot of late ...

The third-generation Cummins 5.9 engine appeared in 2003, with power numbers of 305 horsepower and 555 pound-feet of torque. That wasn't the last round of changes for this indomitable engine ...

Since 1989, RAM (earlier Dodge RAM) has been using engines made by Cummins on their popular pickup trucks. The journey, which started with the first generation 5.9-liter 160 hp turbo diesel ...