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Hitec 32645S HS-645MG High Torque 2BB Metal Gear Servo

4.4 out of 5 stars 62 customer reviews
| 32 answered questions

Price: $29.84 & FREE Shipping on orders over $49. Details
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Ships from and sold by Amazon.com. Gift-wrap available.
  • Motor Type: 3 Pole
  • Bearing Type: Dual Ball Bearing
  • Speed (4.8V/6.0V): 0.24 / 0.20
  • Torque oz./in. (4.8V/6.0V): 107 / 133, Torque kg./cm. (4.8V/6.0V): 8.0 / 10.0
  • Size in Inches: 1.59 x 0.77 x 1.48, Size in Millimeters: 40.39 x 19.56 x 37.59, Weight ounces: 1.94, Weight grams: 55
51 new from $24.33

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$29.84 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

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Frequently Bought Together

  • Hitec 32645S HS-645MG High Torque 2BB Metal Gear Servo
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Total price: $43.74
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WARNING:
CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

Product Specifications

Assembly Time 2 days
Main Language(s)Italian
Model NumberHRC32645S
Number of Puzzle Pieces1000
Assembly RequiredNo
Batteries Required?No
Batteries Included?No

Product Information

Product Dimensions 1.6 x 0.8 x 1.5 inches
Item Weight 1.9 ounces
Shipping Weight 2.4 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
ASIN B003T6RSVQ
California residents Click here for Proposition 65 warning
Item model number HRC32645S
Manufacturer recommended age 15 years and up
Best Sellers Rank #20,073 in Toys & Games (See Top 100 in Toys & Games)
#3 in Home Improvement > Electrical > Electric Motors > Mounts & Accessories > Accessories
Customer Reviews
4.4 out of 5 stars 62 customer reviews

4.4 out of 5 stars

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Product Description

Product Description

Key Features

  • Unique M/P
  • Metal Gear Train Technology
  • Durable High Torque Servo
  • Perfect for larger sport planes or monster trucks and buggies

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.

Detailed Information

From the Manufacturer

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.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
This is highest torque analog servo in Hitec product line.
I bought this one for 30$, and digital servo for 70$ to compare them for robotic arm application. This one is nearly silent, and has a very strong torque, nearly as much as 70$ digital one. I would even say, that I really like the way this servo sounds while working.
Digital servo for 70$ has very loud, high-pitch sound, which is very unpleasant to everybody around, and people asked me many times to switch off the robotic arm, as they did not want to hear this sound.
So I am now using only HS-645MG in all robotic arms. Strong work horse servo, reliable metal gears.
Highly recommend this product to anyone, good job, Hitec guys! And if you can, please silence you digital servos, because acoustics is the reason we cannot use them often :)
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Verified Purchase
This is a great all around servo. It is metal geared, inexpensive, ball bearing, fast, strong, and reliable. I trust them all around on my $600 model airplane. They also make great servos for walking robots, much cheaper than the purpose built ones that cost several hundred.
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Verified Purchase
It's been my experience that HPI doesn't use very strong servos in their electric RC vehicles, and my HPI Wheely King was no different. However, after I converted it into a rock crawler, the stock servo could just barely move the steering linkage. I bought and installed this servo, and I got my steering back, even with the crawler's flexible plastic parts used in the steering linkage. Highly recommended if you need a good strong servo.
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Verified Purchase
Great servo, I'm using it for steering my brushless converted Jammin CRT.5 with bigger wheels. Torque is alright though I do wish it had a bit more speed. But it's no slouch either. I won't be replacing this unless it breaks or something strips inside. It does come with a good amount of servo horns which I can appreciate.
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Verified Purchase
This is a great servo from a respected name in R/C components. The metal gears are tough and it has plenty of torque.
A fantastic choice for a robotics project or a car where weight is not the primary concern.
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Verified Purchase
This is a good servo but is a little hard to control. The first one I received went crazy and destroyed itself. It was replaced and the second one has been better but is susceptible to noise, both receiving and generating. It is a strong motor with good torque.
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Verified Purchase
We use these in Remote Control Sailboats and have held up well. About the size of a standard servo but more than twice the strength. We recommend these for a Victoria Thunder Tiger and I have one even in a Fairwind 900.
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Verified Purchase
This servo by hitec is not only cheep but it works extremely well in my hotbodies truggy,no complaints and it can handle some pretty tough driving and bashing(metal gears,ball bearings and quick enough with a 6 volt battery for steering).
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