Rapido 50227 HO Scale EMD SD9 Diesel Burlington Northern BN 6229 Postal Wagon this model puts the most

this model puts the most building in the least space

005 Blue: Medium Rebound Valve

whether it's a staging yard

short-range

Rapido 50227 HO Scale EMD SD9 Diesel Burlington Northern BN 6229 Postal Wagon this model puts the mostRapido 50227 HO Scale EMD SD9 Diesel Burlington Northern BN 6229 The SD7 was General Motors Electro Motive Divisions first foray into 6 axle power. The SD stood for Special Duty, while the 7 was carried over for the 4 axle GP7 series. This new series of locomotives provided extra tractive effort spread and weight distribution across the six axle trucks. Production lasted from May of 1951 to November of 1953. A total of 188 units were built for 17