6'' AC Brushless Motor Brushless Ac Motor Brushless Motor Ac 220V12K3KW 4''AC Brushless Motor 4.5''AC Brushless Motor 5'' AC Brushless Motor 5''AC Brushless Motor Brushless Motor Ac 220V20k50w Brushless Motor Ac 220V17K500W Brushless Motor Ac 220V17K900W