Talked to the owner. All are for sale. He said $10,000 for the 1951 640 series with 4-71 detroit/ GMC diesel. Has a 5553A Spicer 5 spd overdrive he thinks. He has quite a few trucks I didn't see too. The above phone number is not his. If your interested in any let me know and I'll Pm his phone number to you. Jim