This article is about the engine. You may be looking for the freight car.

Emerald is an engine from the Keystone Railway.


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Not much is known about Emerald.


Emerald is based on an LMS Ivatt Class 2MT tank engine developed for the London, Midland and Scottish Railway. Unlike her basis, Emerald lacks a sand dome. Arthur, Amethyst, Citrine, Bloodstone, Domog, and Anubis are also members of this class.


Emerald is painted light green with dark green lining. She has her gem on her coal bunker.

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