Here is the break down to pick the correct vehicle structure when you see e.g. "2S-4D-4D-2TL" in the vehicle configuration page:


 

#
Axle Type
1SSteer
2DDrive
3TFree Rolling
4SDSteer/Drive
5LLift
6TATag
7TLTrailing Lift
8TSTrailing Steer
9SPSpare Tire



The abbreviations are derived from the English language.