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Hitec

Hitec HS-645MG Standard 9.6kg Metal Geared Servo

Part no. HRC32645S

1 in stock5.0
1 review

$78.73

or 4 fortnightly payments of $19.68 with afterpay or PayPal, or zip

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  • 1 in stock · Ships Wednesday · order by Wednesday

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  • 60-day returns · 12,000+ 5-star reviews · 03 5292 1101 ·

Overview

The powerful HS-645MG is one of Hitec's most popular servos. It's the perfect choice for those larger sport planes or monster trucks and buggies requiring a durable high torque servo. Featuring our unique M/P and metal gear train technology, the HS-645MG offers one of the strongest gear trains available in any servo.

Note

Servos are powered by the ESC's output to the receiver. If you're using a higher-strength servo than the ESC can support (usually greater than 20kg), you may experience 'brown-outs' where the radio signal can be interrupted and cause erratic driving. This can be helped by plugging a Glitch Buster into the receiver smoothing the current delivery. However, in some cases, you may need to install an external BEC.

Features

  • High Torque
  • Strong Three-Pole Ferrite Motor
  • Heavy Duty Metal Gear Train Featuring our Revolutionary Metal/Plastic First Gear (MP Gear)
  • Dual Ball Bearing-Supported Output Shaft

Specifications

Total Height (A)40mm
Body Width (B)38mm
Below Mount (C)24mm
Above Mount (D)11mm
Total Length (E)51mm
Total Width (F)17mm

Servo

Servo
SizeConventionally sized servo namesStandard
Gear MaterialMetal
Servo Spline Count24Tooth
Waterproof CasingNo
Case MaterialPlastic
Height (A)40mm
Body Length (B)38mm
Bottom to Under Mount (C)24mm
Top to Under Mount (D)11mm
Length (E)51mm
Width (F)17mm
Drive Motor TypeBrushed
Rotational Degrees120° (Normal)
6V Torque kg/cmKilograms of torque at 25mm away from the center of the spline9.6
6V Sec/60 DegreesSeconds per 60 degrees of rotation0.24
Signal TypeAnalog

Reviews (1)

5.0

Based on 1 review

  • 5 stars1
  • 4 stars0
  • 3 stars0
  • 2 stars0
  • 1 star0
  • Andrew C

    Verified buyer

    10 May 2025

    Easy to install awsome product

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