Traction motors don't swim worth a darn!
I recall seeing steam locos easing through flood waters almost up to the driver centers. I would strongly suggest that diesel engineers should NOT try to do the same.
Chuck
check out this video of a amtrak train stuck in texas
http://www.cnn.com/video/#/video/us/2007/07/21/bpr.tx.floods.train.passenger.cnn
there are two different videos so check them out
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