Mac

   Mac

 Mac(Often called 'Big Mac') is a Large Articulated Tender Engine.
 * Class: Erie XA Triplex
 * Builder: Baldwin Locomotive Works
 * Configuration: 2-8-8-8-2
 * Arrived on E&A: July 1921

Persona
Mac is something of a legend among the locomotives, for being one of the largest locomotives ever built. He even contends with Bill for the longest train ever hauled. He only hauls passengers on special occasions, though.

Basis
Mac was made using a MTH 2-8-8-8-2 Triplex.