This is a Spektrum XAM0750 14-Pole Avian 3521-750KV Outrunner Brushless Motor. Manufacturer: Spektrum. Model Number: XAM0750. MSRP: 57.49. Category 1: Radio Control Toys. Category 2: Radio Control Toys. Availability: Ships in 5 to 10 Business Days. Trainz Product Id: 12649133.
eBay