Parts/Radio & control/Servos/Hitec D840WP Waterproof High Speed Steel Gear Large Scale Servo (High Voltage)
Hitec D840WP Waterproof High Speed Steel Gear Large Scale Servo (High Voltage)
Hitec

Hitec D840WP Waterproof High Speed Steel Gear Large Scale Servo (High Voltage)

Part # HRC36840S3.0(1)
Where to buy
$134.99
AMain Hobbies
Seen Oct 12, 2026
$134.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

This is a Hitec High Voltage D840WP Waterproof High Speed Steel Gear Servo, designed using Hitec's redesigned, 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.

Includes:

  • Steel Gear Set | Must be serviced by Hitec Service Dept
  • Metal/Plastic 1st Gear Set | Must be serviced by Hitec Service Dept
  • Plastic/Aluminum Case set | Must be servied by Hitec Service Dept 
  • Applicable Horns
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
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: Yes
Connector Gauge (AWG)/Strand Count: 25/80

Limited Warranty:
Hitec Servo Warranty: Each Hitec servo is backed by a limited two-year warranty from the date of purchase. Hitec RCD USA, INC. shall REPAIR OR REPLACE, at Hitec RCD, INC., defective equipment covered by this warranty, otherwise the purchaser and/or consumer is responsible for any charges for the repair or replacement of the product.

Reviews3.0 · 1 review

Wilbert JonesVerified owneron Hitec D840WP Waterproof High Speed Steel Gear Large Scale Servo (High Voltage)

This servo is to tall for HPI Baja and Losi 5iveT Steering application. Did not have a chance to use the servo.

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