Food and Entertaining What trucks are considered OBS? What trucks are considered OBS? The abbreviation OBS stands for “Old Body Style” in reference to the boxy and rugged look of trucks from the 1990s. Since enthusiasts are responsible for coining the term, the criteria for an OBS truck is rather loose.12 Feb 2021 What does OBS powerstroke mean? Old body style Related Posts:What is OBS and why do I need it?How much does OBS cost?Can you use OBS on a Mac?Is OBS Studio secure?