Original Taigen 390 engines 22,000 rpm with pinions and cables
The gearbox fits almost all Heng Long or Taigen gearboxes.
For narrow tanks please check engine length.
Dimensions:
Motor diameter 27.7 mm
Engine length housing: 46.7 mm
Pinion: diameter 7 mm, width 6 mm
Cable length with connector: 16.5 mm
Scope of delivery: 1 pair of motors with pinion and cable with connector
Data Sheet you find under the picture of the motor.