U-Pick AZ has a 1989 and a 1992 listed in their yard, have no idea if they are B2200 or B2600 though (some AC lines are different), or if they even have AC. But most of the B-trucks I've seen here DO have AC. I'm not going near there until early May (then I'd be 20 miles away). They charge $14 + $3 core + 9.5% sales tax for each, price list at
http://u-pick-it-arizona.com/upaz/pricelist.php Also admission, need to pack and ship, etc., figure up to an hour to remove. So not such a bargain here if you need several lines. Their Flagstaff branch has a 1988, but that's like 25 miles wrong way out of town, and don't know when I'll be near Flagstaff. Best bet may be to find someone with inoperable AC or someone who took stuff off their own truck.