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Hitec D-645MW High Voltage High Torque Digital Metal Gear Servo

3 reviews  | 
Regular price 39.99 $3999

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HRC36645

D-645MW High Voltage High Torque Digital Metal Gear Servo from Hitec - HRC36645

The metal D-645MW is part of Hitec's D-Series servo line. All Hitec D-Series servos have been designed using 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 industry standard 25-tooth output spline with 3mm hex screw, each D-Series servo brings monster performance never known before in the market.

Features:

  • Programmable PWM Digital Amplifier
  • 32-Bit MCU with 12-Bit ADC Circuitry
  • 4096 Resolution
  • 1M Cycle Long Life Potentiometer
  • Wide Operating Voltage (4.8 ~ 8.4 Volts DC)
  • Dual Ball Bearing Supported Output Shaft
  • 25-Tooth Output Spline

Includes:

  • 1x Hitec D-645MW High Voltage High Torque Digital Metal Gear Servo
  • Mounting hardware and horns

Servo Measurement Key

Product Specifications:

Servo Class

Mini

Servo Type

Digital

Gear Material

Metal

Direction

Standard / Normal

Operating Voltage Range

4.8V to 7.4V

Speed (Second @ 60°)

0.28 ~ 0.20 ~ 0.17

Maximum Torque Range oz. / in.

115 ~ 158 ~ 180

Current Draw at Idle

30 mA

Current Draw Operating (No Load)

500 mA

Dimensions (L x W x H)

40.6 x 19.8 x 37.8mm

Weight

57g (2.11oz)

Lead Length

N/A

Product Questions & Answers

NOTE: Questions submitted on this page are answered by customers who have previously purchased this item. If you have a support related question that requires immediate assistance, please visit our Help Center.

Product Reviews

Customer Reviews
5.0 Based on 3 reviews
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GC
06/14/2020
Guy C.
United States United States
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Wow wow wow!!!

Bought these servos for my Nexa F-82. When they say high torque They mean it. Not only are they full metal geared but the torque on the servo arms are ridiculous. I can’t wait to get this plane maidened, they react so quick you would think they were designed for 3D large planes. Wow wow wow!! I normally don’t do reviews but these servos have impressed the snot out of me.

FR
03/12/2020
Frank R.
United States United States
  • How would you rate the overall quality of the product? Very LowLowOkayGoodVery Good
  • How would you rate the value of the product for the money? Very LowLowOkayGoodVery Good
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Hitec 645 MW

These servos seem to work very good, my only complaint is no other Hitec arms fit these servos

CP
12/05/2019
Charles P.
United States United States
  • How would you rate the overall quality of the product? Very LowLowOkayGoodVery Good
  • How would you rate the value of the product for the money? Very LowLowOkayGoodVery Good
  • How difficult or easy is the product to assemble, use, or operate? Very DifficultDifficultAverageEasyVery Easy
  • How well does the product perform / function? Very WeakWeakOkayGoodVery Good
Great High Torque, High Voltage Servo

I have used these HiTec D-645MW servos in several larger aircraft, where a minimum of 100 oz-in of torque was required and where I also wanted to run the receiver bus directly from a 2S LiPo (thus deleting the need for a BEC or voltage regulator). I am using these servos in a 17-lb A-26, and the servos have been working flawlessly. Another benefit of using HiTech servos is that HiTech stands behind their product and offer repair services at good prices. I'd ******* up and stalled two of my servos during the initial configuration of my A-26. I contacted HiTech, and they repaired the servo very inexpensively, much cheaper than buying a new servo. I'm sold on this servo and am using it for all of my warbirds that need standard sized servos. I highly recommend this servo.

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