ScaleTrains 70038 HO Scale Museum Quality EMD SDL39 (Dulux) Wisconsin Central WC 590 DCC Sound Virginian - VGN 5® Style Extra #622 Knuckle

5® Style Extra #622 Knuckle Springs NO

just a bit more than a GP7

Replaces Traxxas factory TRA5740 rudder blade

(15) 5x11x4 Ceramic

Stock replacement – no modifications are needed to bolt them in

ScaleTrains 70038 HO Scale Museum Quality EMD SDL39 (Dulux) Wisconsin Central WC 590 DCC Sound Virginian - VGN 5® Style Extra #622 KnuckleScaleTrains 70038 HO Scale Museum Quality EMD SDL39 (Dulux) Wisconsin Central WC 590 DCC Sound 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,