A powered ambulance cot for transporting a patient above a surface, comprising: a support frame for supporting the patient above the surface; four legs (20, 40), each leg having a wheel (26, 46) for supporting the cot on the surface; a pair of actuators (16, 18), each actuator interconnects the support frame and a respective pair of the legs (20, 40) and effects changes in position of the wheels (26, 46) of each respective pair of the legs relative to the support frame; a motor controller which controls the pair of actuators (16, 18) individually to raise and lower the wheels of each respective pair of the legs with respect to the support frame according to a mode selection from a plurality of mode selections; and characterized in that the powered ambulance cot further comprises: a graphical user interface controller which, via an electrically connected graphical user interface (58, 1005), receives an input of the mode selection from among the plurality of mode selections and outputs a matching image on the GUI of the selected mode, wherein the plurality of mode selections comprises a selection for directly powering both leg pairs (20, 40), a selection for directly powering loading end legs, a selection for directly powering control end legs, a selection for a chair position mode, a selection for setting a load height of the cot, and a selection for a normal operating mode. a support frame for supporting the patient above the surface; four legs (20, 40), each leg having a wheel (26, 46) for supporting the cot on the surface; a pair of actuators (16, 18), each actuator interconnects the support frame and a respective pair of the legs (20, 40) and effects changes in position of the wheels (26, 46) of each respective pair of the legs relative to the support frame; a motor controller which controls the pair of actuators (16, 18) individually to raise and lower the wheels of each respective pair of the legs with respect to the support frame according to a mode selection from a plurality of mode selections; and characterized in that the powered ambulance cot further comprises: a graphical user interface controller which, via an electrically connected graphical user interface (58, 1005), receives an input of the mode selection from among the plurality of mode selections and outputs a matching image on the GUI of the selected mode, wherein the plurality of mode selections comprises a selection for directly powering both leg pairs (20, 40), a selection for directly powering loading end legs, a selection for directly powering control end legs, a selection for a chair position mode, a selection for setting a load height of the cot, and a selection for a normal operating mode. a graphical user interface controller which, via an electrically connected graphical user interface (58, 1005), receives an input of the mode selection from among the plurality of mode selections and outputs a matching image on the GUI of the selected mode, wherein the plurality of mode selections comprises a selection for directly powering both leg pairs (20, 40), a selection for directly powering loading end legs, a selection for directly powering control end legs, a selection for a chair position mode, a selection for setting a load height of the cot, and a selection for a normal operating mode.