Krystal F550 Shuttle Busbuilt on the Ford F-550 cutaway chassis, rystal’s finely crafted mid-size buses feature superb engineering and attention to detail. The exterior design of our buses shows a clean style with an automotive appearance, hile the interior is put together with remarkable fit & finish. TheKrystal F550 Shuttle Busseries of mid-size buses offers seating capacities 28 passengers and includes more amenities as standard equipment than any other mid-size bus manufacturer. These amenities include upgraded electrical systems, M/FM stereo with CD player, ower door locks and windows, pgraded seats and fabric, nd electric passenger sedan styled entry door. video and audio systems, uggage partition, ack-up cameras, eat and fabric upgrades, .0 diesel call me with any questions 917-709-9502