Shop By Product

D840WP Servo

  • side view
  • in box
  • included hardware
  • front view
  • back view
1 of 7

Be the first to review this product

$99.99 - $119.99
Sign up for Price Alert
In stock

* Required Fields

$99.99 - $119.99
Sign up for Price Alert
This Product? Share It!


The steel D-840WP is part of Hitec's D-Series dynamo servo line. All Hitec D-Series servos have been designed using Hitec's 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 ~ 8.4V input range, allowing use with any common battery chemistry without the need for adapters or regulators. Featuring Hitec’s 15 tooth HD output spline with M3 hex screw, each D-Series servo brings monster performance never known before in the market.


  • Wide Voltage, Multipurpose Digital Servo
  • Programmable High Response Digital Amplifier with Mosfet Drive
  • Durable Steel Gears with Dual Ball Bearing
  • Water and Dust Resistant (IP67)
  • Heat Sink for Motor

*Programmable features require servo programmer, sold separately (HFP-30, DPC-11).

Dimensions 2.59" x 1.26" x 2.44" (66mm x 32mm x 62mm)
Product Weight 227g (8 oz)
Output Shaft Style 15 tooth (D1) spline
Voltage Range 4.8V - 8.4V
No-Load Speed (4.8V) 0.17 sec/60°
No-Load Speed (6.0V) 0.14 sec/60°
No-Load Speed (7.4V) 0.11 sec/60°
Stall Torque (4.8V) 264 oz/in. (19
Stall Torque (6.0V) 333 oz/in. (24
Stall Torque (7.4V) 417 oz/in. (30
Motor Type Coreless
Internal Feedback Style 5KΩ Potentiometer
Output Shaft Support Dual Ball Bearings
Gear Material Steel
IP Rating IP67

General Servo Information:

Servo Tech Tip Videos:

Product Tags

Use spaces to separate tags. Use single quotes (') for phrases.

Connect With Us
Shop Secure

As Featured In

Copyright 1999-2020 Robotzone, LLC - All rights reserved. ServoCity® is a registered trademark of Robotzone, LLC.