Futaba S9156 Digital High-Torque Air Servo

Ideal for any heavy duty loads such as control surfaces on 1/3 scale
and larger airplanes and jets as well as boat rudders
Metal gear train eliminates backlash and slop
Aluminum center case helps to dissipate heat
One year warranty

Futaba S9156 Digital Heavy Duty High Torque Servo with Universal
connector

Installing in model and connecting to receiver

Torque: 272 oz/in (19.6 kg/cm) @ 4.8V
340 oz/in (24.5 kg/cm) @ 6V
Speed .21 sec/60° @ 4.8V
.17 sec/60° @6.0V
Dimensions: 1.6 x 0.8 x 1.4" (40 x 20 x 37mm)
Weight: 2.2oz (63g)