An emergency vehicle has a patient compartment and a motor, a generator cooperative with the patient compartment, and a Computerized Tomography (CT) scanner positioned in the patient compartment and connected to the generator so as to supply power to the CT scanner. The CT scanner is releasably affixed to the front wall of the patient compartment. The generator is operable independently of the motor. The front wall of the patient compartment has a receptacle affixed thereto. The CT scanner has at least one pin connector extending toward the front wall. The pin connector is releasably received by the receptacle so as to fix a position of the CT scanner against the front wall.