Steering-gear power unit
Steering-gear power unit means: (i) In the case of electric steering gear, an electric motor and its associated electrical equipment, including motor controller, disconnect switch, and feeder circuit. (ii) In the case of an electro-hydraulic steering gear, an electric motor, connected pump, and associated electrical equipment such as the motor controller, disconnect switch, and feeder circuit. (iii) In the case of hydraulic steering gear, the pump and its prime mover.