Can I transport an ATV inside a E-150 or E-350?
The alternative is to trailer it behind my Grand Cherokee.
If inside the Van is OK, I might trade Cherokee for Ford Van.

 

Buddy easiest way would be using a ground shipping service. Check here for more detail: <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->https://citizenshipper.com/vehicle-transportation

​​​​​​​Do not rest the rear tire near the tailgate. It will ensure the vehicle doesn’t tip down when opened.