In general, DDEC levels are not interchangeable without significant modifications. This is because they usually have different hardware and software setups. However, some DDEC levels might be swapped with others if the right adjustments are made. To begin with, find out your DDEC Level.
We always suggest replacing your Detroit Diesel engine with an identical DDEC level. Such swaps are generally simpler to install. Additionally, using matching DDEC levels cuts down on labor and part costs. Diesel Sales frequently receives queries regarding Detroit Diesel DDEC compatibility. Hence, we wrote this blog post to help clarify which engines are compatible.
Here are some general guidelines on Detroit Diesel DDEC engine interchangeability: