Can you give us some more background? Where did they come from and what, exactly, you are trying to determine. Do you just want to know what model of loco they are, or are you looking for manufacturer of the model. Are you looking to sell them, or just want to know for your own edification?
Connecticut Valley Railroad -- A Branch of the New York, New Haven, And Hartford
"We don't stop playing because we grow old. We grow old because we stop playing." --George Bernard Shaw