This is the Futaba S3010 Standard High Torque Servo.

Features:

• Ideal for high-torque applications requiring a standard size servo
• One bearing pre-mounted on output shaft
• Nylon gears

Specifications:

• Torque:
• @6.0V: 90.3 oz-in (6.5 kg/cm)
• @4.8V: 72 oz-in (5.2 kg/cm)
• Speed:
• @6.0V: 0.16 sec/60°
• @4.8V: 0.20 sec/60°
• Size: 1.57x0.79x1.50 in (40x20x38.1mm)
• Weight: 1.45 oz (41g)
• Power Supply: 6.0 - 7.4V DC
• Bearings: Dual

Includes:

• (1) 1.4" (35mm) diameter round servo wheel
• (1) 1.5" (39mm) diameter 4 point servo wheel
• (1) 1.25" (32mm) diameter 6 point servo wheel
• (4) 2x11mm phillips screws
• (4) rubber grommets
• (4) metal eyelets