Atlas 10004299 Master HO GE Dash 8-40B, Silver, Standard DC, Pan Am Railways MEC #5930Atlas 10004299 Master HO GE Dash 8 40B, Silver, Standard DC, Pan Am Railways MEC #5930 Atlas Item #: 10004299 Built in the late 1980s by GE, the DASH 8 40B diesel locomotives were identified by their dynamic brake gear located along the roof line between the cab and engine compartment, with ventilation provided by large roof top grilles. These four axle, high horsepower engines are still in service today in North America. By the early 1990s the North