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Old 05-04-2015, 02:41 PM   #15
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Originally Posted by JimThias View Post
I can't. They all look the same to me. What is the difference?
Longer porch, front and back (they're built on a shared frame with the SD45-2), sight glass on the long hood, double set of places to cut out for marker lights on the end of the long hood, dampening bar on the truck.

Of course rebuilds have made much of this not matter that much anymore as Frankenstein versions of everything roll around out there, but those were the basic ID factors we all used in the late 1970s when all SD40s and SD40-2s were un-altered.

Here's a question I don't know the answer to, are there any non Dash 2 SD40s still running today, anywhere? (At least unrebuilt, un altered ones)?
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