Tamiya 54612 - OP.1612 Brushless Motor 02 w/Sensor 15.5T OP-1612  [54612]

That is a Next Generation Tamiya Brushless engine. The engine design incorporates sensor technology, makes it possible for the motor to communicate efficiently because of the electronic speed controller (ESC) in your model, allowing efficient performance

Key advantages:

• Provides smooth operation at both low and high rates.
  
• Brushless design creates long motor life and reduced maintenance cycles.
  
• Preferably worthy of use with Item 45066 Tamiya Brushless ESC 03 (Sensored). Also compatible with Item 45047 (TBLE-01S) and Item 45057* (TBLE-02S).
  
• When utilizing Item 54611 (10.5T) with Item 45057 (TBLE-02S), it really is strongly suggested to put in Item 45063 TFU-01 ESC Cooling Fan product to ESC, as ESC's overheat protection function could be activated as a result of excessive load.
  
• Engine timing is adjustable.