PowerHD WH-40KG WP HV Titanium Digital Servo 40.0KG/0.17sec@8.4V

Torque(6.0V): 29.0 kg-cm ( 402.7 oz/in)
Torque(7.4V): 35.0 kg-cm ( 486.1 oz/in)
Torque(8.4V): 40.0 kg-cm ( 555.5 oz/in)
Speed: 0.20 sec (6.0V)¦0.18 sec (7.4V)¦
Speed: 0.17 sec (8.4V)
Operating Voltage: 6.0 ~ 8.4V DC Volts
Weight: 82 g (2.89 oz)
Bearing Type: Ball Bearing x 2
Motor Type: Coreless Motor
Gear Type: Steel & Aluminum
Operating Temperature: -20~60°C
Working frequency: 1520µs / 333hz
Size: 40.7 x 20.5 x 38.5 mm ( 1.60 x 0.81 x 1.52 in)