Medium cargo hold
From Cantr II Wiki
This is modestly sized area below decks for cargo storage that can be built aboard a ferry or raker. This hold allows most machines the require a building to be constructed aboard the vessel.
Construction
Object: Small ship cabin
Days needed: 4
Raw materials needed: 5000 grams of wood
Objects: none
Tools needed: stone, bronze or regular hammer
Build/Repair Skill: Shipbuilding
Capacity
People: 5
Weight: 400000 grams