Atlas Master Silver Series N Scale DCC-Ready EMD SD40-2 Diesel Locomotive – Norfolk Southern NS #6327, Featuring Ditch Lights (Model No. ATL40005198)

Description

Atlas Master Silver Series N 40005198 DCC Ready EMD SD40E Locomotive with Ditchlights Norfolk Southern NS #6327

EMD introduced the SD-50 in the early 1980s with a 16 cylinder, 3500 h.p. engine to attain the power that they had earlier gotten from a 20 cylinder locomotive. The new, longer frame allowed the dynamic brake resistors to be relocated to a cooler area found between the central air intake and the cab.

The SD-60 varied little from its predecessor visually, the main changes taking place internally with the aging 645F engine being replaced by the 710G. The two locomotives can be distinguished by the door panels; the SD-50 features four latched doors in six door panels whereas the SD-60 has six latched doors in eight door panels.

The ‘wide nose’ or ‘safety cab’ was first offered as an option to US railroads in 1988. Union Pacific received the first units in early 1989. In 1991, the contour of the nose was changed slightly, going from a 3-piece to 2-piece windshield and tapering the sides of the nose to improve visibility for the crew. Burlington Northern was the first recipient of the revised model.

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