Infographic Tanker Sizes and Capacities Share There are five principle sizes of oil tankers. In ascending order based on size, the smallest is the Panamax, Aframax, Suezmax, VLCC and the ULCC. Published March 22, 2018 | Last modified on June 20, 2024 You may also be interested in Infographic LNG & Marine Shipping – 1 Article What Role Does Marine Trade Play In the Arctic? Article How will the TMX Pipeline Affect Marine Shipping in the Salish Sea?