Is it a Zinger? July 5, 2011 post, updated June 23rd 2013, Yes!

Found on http://chromjuwelen.tumblr.com/

above found on http://truquetructruk.tumblr.com

I just found these 2 photos on http://stiffspeed.tumblr.com to learn that the mini semi that has shown up in no other photos of the Zingers, that it was part of the collection... update Jan 2014, I just found the black and white above