The reefer is an "04 Peterbilt 330, 400k miles, 10 speed, 106" sleeper
The other two are "05 freightliners, M2, 200K miles, 6 speed Eatons, 84" sleepers.
Other things being equal, (which they never are) will a reefer generate twice as much income as a non-reefer?
The carrier is Fed-Ex...