A bunch of departments in Minnesota have benefited from these surplus USAF refuelers. Some have maintained their 5000 gallon capacity, but like this one, most have been cut down.
1982/1983 Mack DM492S/Kovatch 500/3000 SN#KM403
1982/1983 Mack DM492S/Kovatch 500/3000 SN#KM403