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I think OMI imported an NW2 in brass some years ago.    It was about the same time they did the SW1, I think.

 

The readily available alternative is the old All Nation - General Models version.   There are always 2-3 of these available at train shows it seems.    they are diecast bodies and model the original NW2 without louvred doors.    They can be detailed out with a little work but of course won't match brass.   

 

They are very sturdy and generally good runners.   Unfortunately since All Nation closed a few years ago, new parts are no longer availale.

If memory serves, the early EMD SW and NW series had nearly identical dimensions. The difference being a cast frame vs. a welded frame. If Hot Water comments on this he should know, I believe he is a former EMD employee.

 

Now whether the MTH shell mates with the Atlas frame is dependent on if both models are either prototypical correct in size, or the same in error.

 

Originally Posted by PRR Man:

If memory serves, the early EMD SW and NW series had nearly identical dimensions. The difference being a cast frame vs. a welded frame. If Hot Water comments on this he should know, I believe he is a former EMD employee. 

In the beginning, the first "switching" unit was an "SC" model; with the "S" denoting six hundred HP, and the "C": denoting a cast underframe. Then there was the "NC", that being nine hundred HP, with a cast underframe. These were all products on the Electro-Motive Corporation, prior to the "EMD" name.

 

With the pioneering development of welding heavy steel plates, instead of riveting, EMC/EMD began producing welded steel under frames, thus the "SC" became the "SW", i.e. six hundred HP on a welded underframe, and the "NC" became the "NW" series with nine hundred HP on a welded underframe.

 

Over the years, the "SW" simply grew to stand for "switcher", and the "NW2" model name was eventually dropped. From then on "switcher" models advanced into SW7, SW8, SW8, SW900, SW12, SW1200, and into the modern era of SW1001, SW1000, and finally SW1500.  

 

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