More from Buddy RC →SunnySky V4006 High Efficiency Brushless Motors
$55.20
In stock at buddyrc.com
The SunnySky V4006 is a flat, high-efficiency brushless motor for long-endurance multirotors, offered in 320, 380 and 740 KV. The KV320 version weighs 66g and runs on 4S to 6S. It uses Japanese EZO bearings and a hollow-cut bell to save weight. It suits builders chasing long flight times.
See all 4,621 Buddy RC products·Visit buddyrc.com
Price and stock from buddyrc.com, refreshed daily. We may earn a commission if you buy.
Highlights
- KV options: 320, 380, 740
- Stepped, knurled design to keep the motor from loosening
- Japanese EZO bearings
- Dynamically balanced, performance held within 3%
- Thrust data tables in the listing
Best for
Multirotor builders focused on endurance over speed.
Things to consider
- Full specs are shown only for KV320
- KV320 is rated for single take-off weight up to 600g per motor
- Props are not included
Key specs
| Price | $55.20 |
|---|---|
| KV options | 320, 380, 740 |
| Stator (KV320) | 40mm x 6mm |
| Weight (KV320) | 66g |
| Cells (KV320) | 4S to 6S |
| ESC (KV320) | 20-30A |
| Max power (KV320) | 375W |
Our take
An efficiency-focused flat motor for long-flight multirotors.
SunnySky V4006 High Efficiency Brushless Motors at a glance
| Brand | Buddy RC |
|---|---|
| Price | $55.20 |
| Type | Motor |
| Options | 3 KVs |
| Availability | In stock at buddyrc.com |
| Returns | Items can be returned within 30 days of receipt with an RMA code requested by email.… |
Price check
At $55.20, the SunnySky V4006 High Efficiency Brushless Motors is toward the top of Buddy RC's price range, whose 4,618 listed products run $0.25 to $9,999.
Similar items from other brands we track run $59.99 to $189.99.
Frequently asked questions
Which KV should I pick?
Lower KV like 320 suits larger props such as EOLO CN15 or CN17 on 4S to 6S. Check with Buddy RC for 380 and 740 data.
Are props included?
The listing doesn't mention props, so plan to buy them separately.
How much is the SunnySky V4006 High Efficiency Brushless Motors?
Buddy RC lists it at $55.20 on buddyrc.com. We refresh prices throughout the day, but always confirm the final price at checkout.
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 SunnySky V4006 High Efficiency Brushless Motors 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.
What options does the SunnySky V4006 High Efficiency Brushless Motors come in?
KV: 320, 380, 740.
Where can I buy the SunnySky V4006 High Efficiency Brushless Motors?
The SunnySky V4006 High Efficiency Brushless Motors is sold directly by Buddy RC on buddyrc.com. The Shop now button on this page goes straight to the product there.
Is the SunnySky V4006 High Efficiency Brushless Motors 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 SunnySky V4006 High Efficiency Brushless Motors expensive?
At $55.20 it is toward the top of Buddy RC's range ($0.25 to $9,999 across 4,618 products), and similar items from other brands run $59.99 to $189.99.
