B-class contaniership
{{short description|Container ship class}}
| {{Infobox ship begin
| sclass = 2 }} {{Infobox ship image | Ship image = | Ship caption = Berlin Mærsk }} {{Infobox ship class overview | Builders = Hyundai Heavy Industries | Total ships completed = 1 | Total ships scrapped = | Total ships retired = | Total ships lost = | Total ships laid up = | Total ships active = 1 | Total ships cancelled = | Total ships planned = 6 | Operators = Maersk Line | Total ships building = 2 | In service range = 2025– | Built range = | Subclasses = | Class after = | Class before = | Total ships preserved = }} {{Infobox ship characteristics | Hide header = | Ship deck clearance = | Ship crew = | Ship capacity = 17,480 TEU | Ship speed = | Ship sail plan = | Ship propulsion = Methanol (dual fuel) | Ship power = | Ship ice class = | Ship ramps = | Ship decks = | Header caption = | Ship depth = | Ship draft = | Ship draught = | Ship height = | Ship beam = {{convert|60.00|m|ftin|abbr=on}} tbc | Ship length = {{convert|350.59|m|ftin|abbr=on}} | Ship displacement = | Ship tonnage = TBC | Ship type = Container ship | Ship notes = }} |
The new Maersk B class will be a series of 6 container ships built for Maersk Line by Hyundai Heavy Industries. They are the largest container ships run on methanol.{{cite web | url=https://www.maersk.com/news/articles/2025/06/18/new-maersk-vessel-class-to-enter-service | title=New Maersk vessel class to enter service |publisher=Maersk}}
The ships are the second dual fuel container ship class after A-class container ship.
List of ships
| class="wikitable" style="text-align:center"
!Ship !Yard number !IMO number !Delivery !Status !ref |
| Berlin Mærsk
| |9984560 |18 June 2025 |In service |
| Beijing Maersk
| |9984572 | |sea trail |
| 3
| | | | | |
| 4
| | | | | |
| 5
| | | | | |
| 6
| | | | | |