All Hitec D-Series including D-645MW servos have been designed using the brand new, cutting edge, custom engineering. Combining industry leading high-resolution, state-of-the-art ultra-response technology with a 32-bit MCU and 12-bit ADC for unprecedented programmability and flexibility, these servos deliver significantly smoother movement. The speedy, powerful line operates on a wide 4.8 ~ 8.4 voltage range, allowing use with any common battery chemistry without the need for adapters or regulators. Featuring Hitec’s industry standard 25-tooth output spline with 3mm hex screw, each D-Series servo brings monster performance never known before in the market.

D645MW Servo Specifications

Performance Specifications

Operating Voltage Range (Volts DC) 4.8V ~ 6.0V ~ 7.4V

Speed (Second @ 60°) 0.28 ~ 0.20 ~ 0.17

Maximum Torque Range kg. / cm. 8.3 ~ 11.3 ~ 12.9

Current Draw at Idle 30 mA

No Load Operating Current Draw 500 mA

Stall Current Draw 2,650 mA

Dead Band Width 2 µs

Physical Specifications

Dimensions (mm) 40.6 x 19.8 x 37.8

Weight (Gram) 57.0

Circuit Type 32bit Programable Digital

Motor Type 3 Pole Metal Brush Ferrite

Gear Material Metal

Bearing Type Dual Ball Bearing

Output Shaft (type / Ømm) H25T

Case Material Plastic

Dust / Water Resistance N / A

Connector Gauge (AWG) / Strand Count 22 / 60

Radio Control Applications

Sport Plane 12 - 15 lbs.

Sailplane 2 meters and up

3D Performance 12 - 15 lbs.

Scale 12 - 15 lbs.

Electric Helicopter 600mm

Gas Helicopter 50 - 59 Class

On Road 1/10th

Monster Truck 1/10th

Buggies 1/10th

Truggies 1/10th

Short Course / Truck 1/10th

Sail Boat = >1M & Scale

Power Boat 1/10th