Sodor and Mainland Railway Numbers 1 and 3

    Sodor and Mainland Railway Numbers 1 and 3   According to The Island of Sodor: Its People, History and Railways, there were three 0-4-0T engines - one of which was Neil - with open cabs and square tanks that operated on the Sodor and Mainland Railway from 1856 until the line went bankrupt. They were then used for different jobs on Sodor, but were eventually scrapped because they were too weak to handle heavier loads.
 * Numbers: 1, 3 & 4
 * Builder: Neilson
 * Configuration: 0-4-0

Basis
The Sodor and Mainland Railway engines are based on Neilson 0-4-0 box tanks, a simple and robust class of engine built in Glasgow and sold all over the world.