Futaba
Futaba S-U400 For Airplanes (S.BUS)

Manufacturer: Futaba Corporation
Model: S-U400
S.BUS high voltage servo for airplanes, helicopters and cars
This is a high-voltage servo that uses the S.BUS system for airplanes, helicopters, and cars.
Features
High-voltage servo for airplanes, helicopters, and cars.
All resin gears
S.BUS system
Speed: 0.13 sec/60° (7.4V) / 0.14 sec/60° (6.6V)
Torque: 7.9 kgf-cm (7.4V) / 7.1 kgf-cm (6.6V)
Dimensions/weight: 40.0 x 20.0 x 38.1 mm / 39 g.