Thomas the Tank Engine Wikia
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The Experimental Engines Yard contains a small four-wheeled chassis. The chassis has a cog-driven system similar to that of Theo, albeit with the cogs being separate to the wheels, which are driven by outside cylinders. A vertical boiler is also mounted on top. Despite this, it does not appear to be able to move around under its own power and usually has to be pushed around.

Technical Details[]

Basis[]

The cog machine has no known basis.

Livery[]

The cog machine is painted black all over, with grey wheels and red cogs.

Appearances[]

Thomas & Friends[]

Specials[]

Music Videos[]

Trivia[]

  • The chassis reuses Percy's cylinders, running board, frames and wheels, as well as some of Theo's cogs.

Gallery[]

Thomas & Friends[]

CGI Series[]


* RWS only | ** T&F only
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