ScaleTrains 70037 HO Scale Museum Quality EMD SDL39 (Creme) Wisconsin Central WC 587 21.5 Class In the early 90s

In the early 90s

molded shock reservoirs and more

plus canned and frozen foods

The engineering continues

Not to mention the RX4 housing is a thick-walled

ScaleTrains 70037 HO Scale Museum Quality EMD SDL39 (Creme) Wisconsin Central WC 587 21.5 Class In the early 90sScaleTrains 70037 HO Scale Museum Quality EMD SDL39 (Creme) Wisconsin Central WC 587 When EMD introduced its first road switcher models in 1952, there were two models. The first was the four axle GP7, where GP was short for General Purpose. The second model was the six axle SD7 and SD stood for Special Duty. The first Special Duty handling trains where raw tractive effort was more important than speed. This included working mountain grades, hauling