Type of Engine System

[Glennman]

I may have asked this before or read about it before here, but how do I determine if my engine or system is DD-15 or DD-III or IV, or other DD? Is it based on the engine serial number or the VIN? Thanks in advance!

[luvrbus]

2002 will have a DDEC IV the IV was from 1998 to 2003  ? DD-15 was a engine that came on the market in 2011 replacing the series 60,If your D4500 has the Detroit series 60 they were 12.7L 400 hp from the factory 

[Glennman]

2002 will have a DDEC IV the IV was from 1998 to 2003  ? DD-15 was a engine that came on the market in 2011 replacing the series 60,If your D4500 has the Detroit series 60 they were 12.7L 400 hp from the factory

Thank you very much luvrbus! Very helpful!