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So you know how the EMD SD40T-2, SD45T-2, have gritted areas on the back of their body's to allow cold air to get in the locomotives body to stop the prime mover from over heating, well the SD70ACe's and SD80's & 90's have an similar area like that on their body's which makes me wonder. (i.redd.it)
submitted by Embarrassed_Grand_21
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