Here are the tutorials made by Cromtec a long time ago, they serve as a guide for exporting vehicles (wheeled and tracked); they have images and references, I suggest combining them with the video tutorials and the various examples you can find on the web.
All the credit goes to Cromtec for writing them, I'm just sharing them here so that more people can have access to them, cheers.
DOWNLOAD LINK: Mediafire.com's+tutorials.rar
If the link doesn't work anymore or you have problems write a comment, I'm not here to explain you how 3ds Max works tho.
Can you make a video version pls