The 1400 series fits in applications that require a standard 36mm diameter motor. The 1400 shares the same rotor with the 1500 series motor. This motor is perfect for cars,trucks and buggies that need a 36mm motor. EDF fliers will love this motor as it will fit in the Midi FAN as well as many other fans that require a 36mm motor. The shaft is 5mm. The first available versions are the 1415 but more sizes will follow. The P32 gear drive can be fitted to this motor.