This servo falls into between S8911BL and S8955SS.  It produces enough torque yet it keep speed at 0.08 at 8.4V.  It has very good potential to be your almighty servo.


[ Stall torque]43.2 (6.6V)/48.5 (7.4V)/55.0 (8.4V)kg・cm
       600.1 (6.6V) / 672.9 (7.4V) / 763.8 (8.4V)oz・in
[Speed] 0.10 (6.6V)/0.09 (7.4V)/0.08 (8.4V) Sec/60°
[Weight] 79 g / 2.79 in
[Dimension] 40 x 20 x 40.5 mm / 1.38 x 0.79 x 1.59 in
[Cable length] 300mm 
[Operational voltage] 4.5V – 8.5V 
■High performance brushless motor
■Programmable(slow start:ON)
■full metal gear
■full metal case
■wide voltage
■double ball bearings Φ12 / Φ10
■angle:120°/180°(150° can be set by XBUS SERVO PROGRAMMER)
※ servo arm not included

S8944S 2K