This box truck is from the third tutorial in my 3D Low-Poly Game Modeling for Beginners tutorial series.
This game asset is free for download and free to be used in any commercial and non-commercial game. Attribution is required [Jennifer S. Abbott - http://oldetinkererstudio.com/]
YouTube Tutorial: https://www.youtube.com/watch?v=w3LczgKTjaA
Written tutorial: http://oldetinkererstudio.com/tutorial-how-to-model-a-box-truck-low-poly-modeling-for-beginners/