Product Description

The steel D-840WP 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 15 tooth HD output spline with 3mm hex screw, each D-Series servo brings monster performance never known before in the market.

D840WP Servo Specifications

Performance Specifications
Operating Voltage Range (Volts DC)	4.8V ~ 6.0V ~ 7.4V
Speed (Second @ 60°)	0.17 ~ 0.14 ~ 0.11
Maximum Torque Range oz. / in.	265 ~ 335 ~ 419
Maximum Torque Range kg. / cm.	19.0 ~ 24.0 ~ 30.0
Current Draw at Idle	30 mA
No Load Operating Current Draw	1,600 mA
Stall Current Draw	9,000 mA
Dead Band Width	2 µs
Physical Specifications
Dimensions (Inches)	2.59 x 1.26 x 2.44
Dimensions (Metric)	66 x 32 x 62
Weight (Ounces)	8.0
Weight (Gram)	227.0
Circuit Type	Digital Amplifier with Mosfet Drive
Motor Type	5 Poles Cored Metal Brush
Gear Material	Steel
Bearing Type	Dual Ball Bearing
Output Shaft (type / Ømm)	Mega 15
Case Material	Plastic / Aluminum
Dust / Water Resistance	IP 67
Connector Gauge (AWG) / Strand Count	20 / 80