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 2018 Public Opinion Poll: Canadians’ Attitudes Towards Marine Shipping – 3 Infographic Angus Reid Poll, March 2016 Infographic Energy Efficiency of Transportation Modes