FANUC 10M DC SEROVO MOTOR A05B-0651-B This motor is sold without the pulse coder installed. It can be used as a B011 or B012 depending on the pulse coder installed by the customer, or can be sold with the correct pulse coder for an additional price. This motor is tested and is in excellent condition. Exchange of your original part is welcome and a core refund may be available if your part is in repairable condition.