HS-645MG Hi Torque, Metal Gear Premium Sport

The powerful HS-645MG is one of Hitec’s most popular servos. It’s the perfect choice for those larger sport planes or monster trucks and buggies requiring a durable high torque servo.

Featuring the unique M/P and metal gear train technology, the HS-645MG offers one of the strongest gear trains available in any servo.

Hitec Servo Specification Chart.

Dimensions (LxWxH):	1.59" x 0.77"x 1.48"
Weight:	1.94oz. (55.2g)
Operating Voltage:	4.8-6.0 Volts
Operating Speed (4.8V):	0.24sec/60° at no load
Operating Speed (6.0V):	0.20sec/60° at no load
Stall Torque (4.8V):	106.93 oz/in. (7.7kg.cm)
Stall Torque (6.0V):	133.31 oz/in. (9.6kg.cm)
Current Drain (4.8V):	8.8mA/idle and 350mA no load operating
Current Drain (6.0V):	9.1mA/idle and 450mA no load operating
Bearing Type:	Dual Ball Bearing
Gear Type:	3 Metal Gears and 1 Resin Metal Gear
Motor Type:	3 Pole Ferrite
Potentiometer Drive:	Indirect Drive
Control System:	+Pulse Width Control 1500usec Neutral
Required Pulse:	3-5 Volt Peak to Peak Square Wave
Operating Temperature Range:	-20 to +60 Degree C
Operating Angle:	45 Deg. one side pulse traveling 400usec
360 Modifiable:	Yes
Direction:	Clockwise/Pulse Traveling 1500 to 1900usec
Dead Band Width:	8usec
Connector Wire Length:	11.81" (300mm)