Hitec HS-645MG Hi Torque, Metal Gear Premium Sport (HRC32645S)
$56.99
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Hitec HS-645MG Hi Torque, Metal Gear Premium Sport (HRC32645S)
$56.99
In Stock
High Torque Output
133 oz-in at 6.0V
Metal Gear Train
Maximum durability under heavy loads
Dual Ball Bearing
Smooth and precise output operation
Unmatched Steering PowerHeavy-duty servo performance for enthusiasts
The Hitec HS-645MG is one of the most trusted high-torque servos in the RC industry, delivering impressive holding power and accuracy. Designed for demanding applications like large RC sport planes, 1/10 scale monster trucks, and off-road buggies, this RC servo handles tough conditions effortlessly. Upgrade your control response and steering strength with legendary Hitec metal gear durability.
Engineered for Extreme LoadsRobust gear technology and precision control
Built using Hitec's specialized metal gear train technology, the Hitec HS-645MG high torque servo offers incredible gear strength and resistance to stripping under heavy stress. Featuring a robust 3-pole ferrite motor and dual ball bearings, this RC car servo ensures ultra-smooth operation, reduced slop, and excellent centering. Operating reliably between 4.8V and 6.0V, the Hitec HS-645MG produces up to 133.31 oz-in of stall torque, making it an essential upgrade for high-stress RC aircraft control surfaces and heavy-duty steering setups.
Technical SpecificationsExact measurements and operating parameters
Part Type
Standard High Torque Servo
Operating Voltage
4.8V - 6.0V
Stall Torque (4.8V)
106.93 oz-in / 7.7 kg-cm (force)
Stall Torque (6.0V)
133.31 oz-in / 9.6 kg-cm (force)
Operating Speed (4.8V)
0.24 sec/60 deg at no load
Operating Speed (6.0V)
0.20 sec/60 deg at no load
Bearing Type
Dual Ball Bearing
Gear Type
3 Metal Gears and 1 Resin Metal Gear
Motor Type
3 Pole Ferrite
Dimensions
1.59 in x 0.77 in x 1.48 in
Weight
1.94 oz / 55.2g
Connector Wire Length
11.81 in / 300mm
Key Performance FeaturesBuilt for strength and longevity
High Torque OutputProduces up to 133.31 oz-in of torque at 6.0V
Metal Gear TrainCustom metal gear technology prevents gear stripping under load
Dual Ball BearingsSupported main output shaft delivers smooth motion and longevity
Wide Application SupportPerfect for large RC airplanes, monster trucks, and buggies
Reliable Motor Drive3-pole ferrite motor ensures consistent power delivery
Long Connector CablePre-installed 11.81-inch lead simplifies installation
Frequently Asked QuestionsEverything you need to know
What applications is the Hitec HS-645MG servo recommended for?
The Hitec HS-645MG is ideal for large RC sport planes, 1/10 scale monster trucks, buggies, and any RC vehicle requiring a durable, high-torque steering or control surface servo.
What is the torque rating of the Hitec HS-645MG?
The Hitec HS-645MG delivers 106.93 oz-in (7.7 kg-cm) of stall torque at 4.8V and 133.31 oz-in (9.6 kg-cm) at 6.0V.
What type of gears are used inside the Hitec HS-645MG?
The Hitec HS-645MG features a hybrid metal gear train containing three metal gears and one resin-metal gear for maximum durability and reduced wear under load.
Does the Hitec HS-645MG support dual ball bearings?
Yes, the Hitec HS-645MG includes dual ball bearings on the output shaft for smooth operation, slop reduction, and stability.