Found one on Craigslist in OKC...
http://oklahomacity.craigslist.org/cto/1190440704.html
"I bought this truck off the original owner. It was originally ordered by Haliburton back in the 80's(several) and was never picked up. The truck was bought by farmer who also used in some with his roofing business around Altus. After a few years it was parked and drove very little. 350 V8, turbo 400 trans, NO AC and radio delete. I got the truck a month ago and changed out the oil, plugs, wires, valve cover gasket, battery fuel filter, cleaned it up really good, changed out the back tires. Has trailer brake set up. Its rare that its a long step side in this model. A perfect candidate for a flat bed farm truck. Windshield good, good brakes, solid old truck that runs great."