Take a look at this cable dozer on Ebay. http://cgi.ebay.com/VINTAGE-CLETRAC-DOZ ... dZViewItem (http://cgi.ebay.com/VINTAGE-CLETRAC-DOZER_W0QQitemZ7536800195QQcategoryZ97121QQssPageNameZWDVWQQrdZ1QQcmdZViewItem)
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That sure is a odd looking dozer!! The Tractor is a DG. and looks to be in fairly good shape.
Looking at the pictures it appears a bit small for a DG and also has the front idler wheels on the outside of the track rails liek the A and B's. A really unusual looking tractor.