A multiple level elevating cot adapted to be rolled into emergency vehicles,the cot having a wheeled undercarriage supporting a cot frame having a leadingend and a trailing end, and adapted to selectively secure the cot frame in a pluralityof elevational positions. The cot frame includes an improved drop frame havinga wider range of motion to a cot construction. The cot frame is also provided withpatient support features, such as positionable back, leg, and side arm supports.