This is my slammed d-series mod that I've been working on for a while, some features:
-Custom gear frame
-Custom rear suspension
-Air suspension
-Custom
Air tanks -Stacks
- New
5.9L diesel engine (really high power)
Things that I know need fixing: -
The rear suspension behaves strangely ,

YOU WILL NEED Gravel half-wheels
There are 4 configurations (there will be more)