America's Lost Treasures Mack Daddy of Trucks America's Lost Treasures Site Curt checks out a restored Mack Truck. Definitely an American icon, but is it a lost treasure? Info Check your local listings. America's Lost Treasures: Mack Daddy of Trucks Curt checks out a restored Mack Truck. Definitely an American icon, but is it a lost treasure? Share Share this URL: Or you can use the code below to embed the video. The code updates if you change the width/height. Minimum dimensions are 320x211 pixels. <iframe width="640" height="391" src="http://channel.nationalgeographic.com/channel/americas-lost-treasures/videos/mack-daddy-of-trucks/embed/" frameborder="0" scrolling="no" allowfullscreen></iframe> Width: px Height: px 1 comments   Get Livefyre FAQ Sign in + Follow Post comment Link Newest | Oldest rob johnson 5pts I worked for proctor for 10 years and that truck worked everyday hauling cranes and other equipment. I couldn't see it but is the winch still on the back? they also had an old 1930 or so gmc truck which was number 3 off the assembly line.