.99The metal D-645MW is part of our D-Series servo line. All Hitec D-Series servos have been designed using our 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 oz. / in.
115 ~ 158 ~ 180
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 (Inches)
1.59 x 0.77 x 1.48
Dimensions (Metric)
40.6 x 19.8 x 37.8
Weight (Ounces)
2.11
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
Parkflyer
N / A
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
Crawlers
N / A
Sail Boat
= >1M & Scale
Power Boat
1/10th