Buying a military cargo truck

Buying a 1997 Stewart and Stevenson flatbed cargo truck:
0:00 intro
4:14 hook up to a flatbed trailer
7:10 Mess up trailer then re-engineer truck hitch
20:30 Successfully tow trailer and do small digging job
27:08 Tow fork lift and get truck stuck (has to be in "mode" for 4x4)
30:25  Hook up to military equipment trailer then fix its brakes
33:15 load shipping container on trailer then try to move it up a muddy driveway, and have the truck stuck for a few hours