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Hitec D840WP 32-Bit, Multi Purpose, Waterproof, Steel Gear Servo

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On sale: £84.95 (£70.79 exc VAT) £76.49 (£63.74 exc VAT)
Retail Price:£84.95 (£70.79 exc VAT)
You Save:£8.46(10%)
Part Number: 2221302
Availability: In Stock.

Part of Hitec’s D-Series servo range, the steel gear D-840WP features industry leading high-resolution, state-of-the-art ultra-response technology, a 32-bit MCU and a 12-bit ADC for unprecedented programmability and flexibility. The result is a significantly smoother movement and a 4.8 - 8.4 volt range, allowing use with any common battery chemistry without the need for adaptors or regulators. Featuring Hitec’s 15 tooth HD output spline with 3mm hex screw, each D-Series servo offers true value for money with the promise of durability, quality and a monster performance.

  • Ideal for largescale car, boat, aeroplane, UAV and robotic
  • applications
  • Centre heatsink for efficient motor cooling
  • Operates on 3.5-8.4V
  • Programmable high response digital amplifier (features require the Hitec DPC-11 Universal Programming
  • Interface)
  • Durable steel gears with dual ball bearings
  • Water and dust resistance


  • D840WP Servo with 1.6" (39.9mm) Round Servo Horn, 1.8" (46mm) Single
  • Arm, 2.2" (55mm) Double Arm Aluminum Horn. 2.4" (61mm) 4-Point
  • Horn
  • Four each, Grommets, Eyelets and Screws
  • 3mm Servo Horn Screw

Spec check:

Dimensions: 2.59 x 1.26 x 2.44" (66 x 32 x 62mm)
Weight: 8.0oz (227g)
Output Spline: 25 tooth
4.8V 6.0V 7.4V
Speed: 0.17 sec/60° 0.14 sec/60° 0.11 sec/60°
Torque: 264oz-in (19kg-cm) 333oz-in (24kg-cm) 417oz-in (30kg-cm)

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