This is the Futaba Standard Size High Torque Servo.

This servo can produce high-current draw from your batteries.
If using NiMH or LiPo batteries, make sure they are capable
of delivering approximately 2A for each servo.

FEATURES: Ideal for high-torque applications requiring a standard size servo
Universal connector fits Futaba, Hitec, JR, KO Propo, Airtronics Z,
and Tower Hobbies. Does not fit old Airtronics A plug w/out adapter
Nylon gears
One bearing pre-mounted on output shaft.

INCLUDES: One Futaba standard size high torque servo with . . .
One 1.4"  (35mm) diameter round servo wheel
One 1.5"  (39mm) diameter 4 point servo wheel
One 1.25" (32mm) diameter 6 point servo wheel
Four 2mm x 11mm phillips screws
Four rubber grommets & Four metal eyelets

REQUIRES: Small phillips screwdriver (can use HCAR1070) to mount to surface

SPECS:   Speed: .20 sec/60 deg. @ 4.8V and  .16 sec/60 deg. @ 6.0V
Torque: 72 oz-in @ 4.8V and 90 oz-in @ 6V
5.2 kg-cm @ 4.8V and 6.5 kg-cm @ 6V
Length not including mounting flanges: 1.6"  (40mm)
Length at center of mounting holes:    1.9"  (49.5mm)
Width total:                           0.8"  (20mm)
Width at center of mounting holes:     0.40" (10mm)
Height not including servo horn:       1.5"  (38mm)
Weight:                                1.4oz) (41g)