Model Railroading > First Generation 6 Axle Road Switchers

I am a Chicago North Western fan and noticed they they tested all the first generation 6 axle 1500/1600 HP road switchers.

Alco RSD-4, Baldwin DRS-6-6-1600, EMD SD7, and Fairbanks Morse H16-66.

Did any other railroad do the same?

Thanks

Tim

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I think that Southern Pacific would be on that list.
Ryan Ballard

That's a pretty wide variety of engines you cite.  UP had a small group of Alco RSC2 units that were meant as branchline power to replace small 2-8-0 steamers.  They were followed by an order of GP7 and then a flood of GP9s.

The Milwaukee Road had them all covered as well as most subsequent versions of the same models. In addition the 4 axle versions were on the roster.

Pennsy?  They seemed to try just about everything in the salesman's catalog.

In the post-WWII period, any new locomotive, steam or diesel, was in demand and railroads sometimes bought what was available; hence the diverse fleets.  There was some sampling of different manufacturers products but the advantages and disadvantages quickly became apparent in day to day service. Roads that were late to dieselize tended to have less variation on the roster.  Some outfits initially favored diesels produced by the companies that built their steamers, like Alco and Baldwin.

The H16-66 limits you to CNW and Milw. The H24-66 opens this up a bit but it is really a locomotive for a different market.

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