Rapido 50617 HO Scale EMD SD9 Diesel Baltimore & Ohio B&O 771 with DCC & Sound File Realistic underwater scenes are reproduced

Realistic underwater scenes are reproduced with realistic water surface effect parts

long-travel oil-filled shocks keep the suspension motion in check over rocky terrain

Metal Diff

5x7 mm screw

Car length 15"

Rapido 50617 HO Scale EMD SD9 Diesel Baltimore & Ohio B&O 771 with DCC & Sound File Realistic underwater scenes are reproducedRapido 50617 HO Scale EMD SD9 Diesel Baltimore & Ohio B&O 771 with DCC & Sound 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