Chicago Burlington and Quincy
Class M2A 2-10-2’S

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Continuing in Challenger's tradition of bringing the modeler the finest in CB&Q steam, we take great pleasure in announcing our forthcoming production of two versions of one of the Burlington's primary heavy hauling locomotives.

First constructed in 1912 by Baldwin and designated as Class M1, the CB&Q's 2-10-2's were, at that time, the heaviest non-articulated locomotives ever built. Despite certain operating difficulties, the successful operation of this type of locomotive led the Burlington to make an additional order delivered in 1914 and classed as M2.

M2's exhibited a number of modifications from the earlier M1's. Subsequently, and to reduce stress on the rails, the locomotives were further modified by, among other things, replacement of all reciprocating parts with new lightweight parts. The modifications proved extremely successful and, now described as Class M2A, these powerful 2-10-2's were converted or manufactured with the modified equipment.

Our two models represent locomotives built by Baldwin between 1915 and 1921 and delivered with lightweight running gear as original equipment. They were destined to last late in the steam era.