This is the HS-755MG Giant Scale Metal Gear Servo from Hitec. Hitec’s expansive line-up of servos include the HS-755MG “giant scale” servo with metal gears. Perfect for larger R/C applications and feature dual ball-bearings with a water and dust resistant case. The powerful HS-755MG delivers a whopping 200 oz./in. of torque at 6 volts.

Specifications:

• Speed:
• 4.8V: 0.28 sec/60 deg.
• 6.0V: 0.23 sec/60 deg.
• Torque:
• 4.8V: 166.6 oz/in
• 6.0V: 199.9 oz/in
• Length: 2.32in (59mm)
• Width: 1.14in (29mm)
• Height: 1.97in (50mm)
• Weight: 4.13oz (117g)