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 Article 10 Questions About LNG & Marine Shipping Video Presentation to Working Group: Implementation Scenarios Video 2020 Public Opinion Poll: Canadians’ Attitudes Towards Marine Shipping