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KST X20-7.4-M-820-1 Digital Brushless Servo HV 8.4V 0.13s 38kg.cm 538oz.in

$200

In stock at buddyrc.com

The KST X20-7.4-M-820-1 is a digital brushless servo designed for use in robotics and model making. With an operating voltage range of 6.0 to 8.4 V, it has a stall current of 4.95 A and a nominal current of 1.25 A at 7.4V. It can produce a stall torque of 38kg.cm and a nominal torque of 7.1kg.cm at 7.4V, with an…

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KST X20-7.4-M-820-1 Digital Brushless Servo HV 8.4V 0.13s… at a glance

BrandBuddy RC
Price$200
TypeServo
AvailabilityIn stock at buddyrc.com
ReturnsItems can be returned within 30 days of receipt with an RMA code requested by email.…

Price check

At $200, the KST X20-7.4-M-820-1 Digital Brushless Servo HV 8.4V 0.13s 38kg.cm is toward the top of Buddy RC's price range, whose 4,520 listed products run $1 to $9,999.

Similar items from other brands we track run $88 to $189.99.

About this product

From Buddy RC's product listing:

The KST X20-7.4-M-820-1 is a digital brushless servo designed for use in robotics and model making. With an operating voltage range of 6.0 to 8.4 V, it has a stall current of 4.95 A and a nominal current of 1.25 A at 7.4V. It can produce a stall torque of 38kg.cm and a nominal torque of 7.1kg.cm at 7.4V, with an actuating time without load of 0.09s/60° and a nominal actuating time of 0.17s/60° at 7.4V. The servo has an adjustment range of +/- 50° at 1000-2000 us and +/- 100° at 500-2500 us. It operates within a working temperature range of 10°C to 65°C and has a width of 20.0mm, length of 40.0mm, height of 40.0mm, and weight of 75.0g. The motor type is brushless, with a gear type of 25T-6 and a metal bearing type of 6BB teeth. The signal it uses is PWM, and it has a position sensor of Hall sensor. The KST X20-7.4-M-820-1 is not waterproof and is manufactured by KST.

Buying from Buddy RC

Buddy RC is a strong pick for RC pilots who need specific parts, power systems or helicopter spares from a US warehouse with same-day dispatch. Skip it if you want generous returns, since shipping is never refunded and returns that aren't in new condition carry a 10 to 20% restock fee. Confirm the exact part number and motor or frame compatibility before ordering, because most of the catalog is model-specific.

Shipping
Orders placed before 2 p.m. EST usually ship the same business day from Columbus, Ohio, by USPS or UPS, with most packages arriving in 2 to 5 business days. Orders over $100 may ship free within the US, excluding most airplanes, and LiPo batteries ship only by UPS Ground.
Returns
Items can be returned within 30 days of receipt with an RMA code requested by email. Returns in new condition with original packaging have no restock fee; others are charged 10 to 20%, and shipping fees are not refunded.
Warranty
Products older than 30 days may be exchanged under warranty but aren't eligible for a refund. Specific warranty terms aren't published in the policy text.

Read our full Buddy RC review and shop all products →

Frequently asked questions

How much is the KST X20-7.4-M-820-1 Digital Brushless Servo HV 8.4V 0.13s 38kg.cm?
Buddy RC lists it at $200 on buddyrc.com. We refresh prices throughout the day, but always confirm the final price at checkout.
Is there a discount on the KST X20-7.4-M-820-1 Digital Brushless Servo HV 8.4V 0.13s 38kg.cm?
Buddy RC publishes these ways to save: Loyalty points with an account. Buddy RC sets the terms, which can change; our Buddy RC coupons page has the details.
What is Buddy RC's return policy?
Items can be returned within 30 days of receipt with an RMA code requested by email. Returns in new condition with original packaging have no restock fee; others are charged 10 to 20%, and shipping fees are not refunded.
How long does Buddy RC take to ship?
Orders placed before 2 p.m. EST usually ship the same business day from Columbus, Ohio, by USPS or UPS, with most packages arriving in 2 to 5 business days. Orders over $100 may ship free within the US, excluding most airplanes, and LiPo batteries ship only by UPS Ground.
Does the KST X20-7.4-M-820-1 Digital Brushless Servo HV 8.4V 0.13s 38kg.cm come with a warranty?
Buddy RC's published warranty terms: Products older than 30 days may be exchanged under warranty but aren't eligible for a refund. Specific warranty terms aren't published in the policy text.
Where can I buy the KST X20-7.4-M-820-1 Digital Brushless Servo HV 8.4V 0.13s 38kg.cm?
The KST X20-7.4-M-820-1 Digital Brushless Servo HV 8.4V 0.13s 38kg.cm is sold directly by Buddy RC on buddyrc.com. The Shop now button on this page goes straight to the product there.
Is the KST X20-7.4-M-820-1 Digital Brushless Servo HV 8.4V 0.13s 38kg.cm in stock?
Yes. Buddy RC lists it as in stock on buddyrc.com as of our latest check. Stock and prices refresh throughout the day.
Is Buddy RC a legit store?
Buddy RC is a strong pick for RC pilots who need specific parts, power systems or helicopter spares from a US warehouse with same-day dispatch. Skip it if you want generous returns, since shipping is never refunded and returns that aren't in new condition carry a 10 to 20% restock fee. Confirm the exact part number and motor or frame compatibility before ordering, because most of the catalog is model-specific. Our full Buddy RC review covers shipping, returns and what to check before ordering.
Is the KST X20-7.4-M-820-1 Digital Brushless Servo HV 8.4V 0.13s 38kg.cm expensive?
At $200 it is toward the top of Buddy RC's range ($1 to $9,999 across 4,520 products), and similar items from other brands run $88 to $189.99.

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