Spotting Features
The GP38-2 differs externally from the earlier GP38 only in minor details. Its most distinctive identifying feature is the cooling water level sight glass on the right side of the long hood. The battery box covers of the Dash 2s are bolted down instead of hinged. It can be distinguished from the contemporary GP39-2 and GP40-2 in that its Roots blown engine had two exhaust stacks, one on each side of the dynamic brake fan, if equipped, while the turbocharged GP39-2 and GP40-2 has a single stack. The GP39-2 has two radiator fans on the rear of the long hood like the GP38-2, while the GP40-2 has three. It was also available with either a high-short-hood, common on Norfolk Southern units, or a low-short-hood, which is found on most other railroads.
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NS #5356 (Low short hood) at NS Botsford Yard. (Ex-Conrail)
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NS #5044 (High short hood) at NS Inman Yard. (Ex-Southern)
Read more about this topic: EMD GP38-2
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Or broken its white neck of mushroom stuff
Short off, and died against the windowpane.””
—Robert Frost (1874–1963)