|Position||Holders of various liquids|
Tankers are trucks most commonly used on trains across the Island of Sodor, notably on the North West Railway for carrying various liquids across the island and being brought to British Railways for carrying liquid or being empty themselves.
The tankers come in different types and still carry their own liquids. There are black, white, silver, brown and grey tankers used to carry various liquids. These are rarely depicted with faces coming from the Slate Trucks of the Skarloey Railway. The Sodor Fuel tanker is yellow and carries fuel which is needed to be handled carefully much like ammunition trains that Winston carried in Iron Hero. Oil tankers are black and carry oil, even having to handle it carefully for trains much like the Sodor Fuel tanker. Tar tankers carry tar and is colored black with white signs saying "TAR". Finally, milk tankers are white and has "Tidmouth Milk" on it in light blue. They are used to carry milk.