Servo D840WP very strong jumbo servo, waterproof (30kg)

Waterproof digi Jumbo servo with steel gears, weight 227 g, programmable power supply 4.8-7.4 V; thrust 19, speed 0.17 s / 60 ° at 4.8 V; thrust 30, speed 0.11 s / 60 ° at 7.4 V.


New product


In stock: 9 pcs
Stores and delivery dates
Price with VAT:
(DPH CZ 21%)
109,96 € 103,69 €
Price without VAT
85,69 €

-6,27 €


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Servo Hitec D Series

The new Hitec D series digital servos combine the ultra-fast response, accuracy and high resolution of 4096 steps of HS-8xxx Servers with HS-7xxx Servers. In fact, existing servos far outweigh the 32-bit processor and the 12-bit ADC converter. In addition, they offer the "Wide Voltage" function, allowing the use of battery power in a wide range of rated voltages of 4.8 to 7.4 V.

32bit MCU / 12bit ADC

The new 32-bit Hitec processor coupled with a 12-bit analogue-to-digital converter that converts the signal from the feedback potentiometer offers the best response between servos for RC models so far. You can also use the universal PC interface DPC-11 (applicable to all Hitec programmable servos) to fine tune your D-Series servo drives to maximum performance (scaling, resolution, fail-safe, soft start, etc.) in a wide range of applications.

Wide Voltage

The Hitec "Wide Voltage" technology supports all types of receiver batteries with a nominal voltage of 4.8-7.4 volts. This means that the servo can be powered directly, for example, by NiMH or NiCd batteries, two LiFe, LiPo or Li-ion batteries - Of course, it should be remembered that the thrust and speed of the servo depend on the size of the supply voltage.

Soft start

The soft start protects the servo and the rudder control mechanism when the onboard electronics is switched on - the servo slowly moves to the neutral position after switching on - no sudden twisting


New control algorithm to prevent spontaneous servicing of the servos in "sharp" setting of the servo insensitive band, saving gears and reducing current consumption.

Programmable features

With the new DPC-11 programmer / USB interface, you can set a number of D servo parameters for the perfect servicing of your application's servos." Series D servos have a consistently high resolution; You can set the servo deflection range up to 180 ° with the "EPA" function (with the control signal with 0.9-2.1 ms pulses). Programmable values \u200b\u200bare:

  • Reset to factory defaults
  • Deadband bandwidth (adjustable in 10 steps)
  • Sense of rotation
  • Speed \u200b\u200bof rotation
  • neutral
  • Soft start
  • Displacement size (up to 180 °)
  • Enable or disable fail-safe
  • Setting the fail-safe emergency shift
  • Overload protection (0-50% overload limitation)


Very powerful and fast Jumbo servo with steel gears with output shaft mounted on two ball bearings. Thanks to the dustproof and waterproof housing (International Protection Code IP-67, it completely prevents contact with dust, with immersion in water to a depth of 1 m for 30 minutes of test run) is particularly suitable for large seaplanes, off-road models, And submarines - just to places exposed to dust and moisture, high demands on pulling power and overall mechanical resistance of the servos.

Servos size Max
Servo type digital
Stroke at 4.8V [kg / cm] 19
Stroke at 6.0V [kg / cm] 24
Stroke at 7.4V [kg / cm] 30
Speed \u200b\u200bat 4.8V [s / 60h.] 0.17
Speed \u200b\u200bat 6.0V [s / 60h.] 0.14
Velocity at 7.4V [s / 60st.] 0.11
Servo gears Metal
Ball bearings 2xBB
Highvoltage Yes
Power [V] 4.8 - 7.4
Length [mm] 66
Width [mm] 32
Height [" Mm] 62
Weight [g] 227
Intended for Airplanes, road cars, car parks, sailboats, boats
Resistance to water Waterproof

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