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> Servos & Parts > HXT Servo
> Servos & Parts > Micro Servo 5-10g

  RATED:

HXT900 Micro Servo 1.6kg / 0.12sec / 9g

HXT900 Micro Servo 1.6kg / 0.12sec / 9g
HXT900 Micro Servo 1.6kg / 0.12sec / 9g

HXT900, one of the most famous and the best value micro servos available.
Used by tens of thousands of hobbyiests world wide. The HXT900 is the #1 trusted low cost 9g servo.

Features:
• Plastic Bushing
• 25cm wire
• Coreless motor
• Servo arms & screw included

Specs:
Size : 21x12x22 mm / 0.74x0.42x0.78 in
Voltage : 3v ~ 6v
Weight: 9g / 0.39oz
Speed : 0.12 sec/60(4.8V)
Torque : 1.6kg-cm
Working Temp : -30C~60C
Gears: Nylon White type

WARNING
Similar looking servos can be found on eBay and other asian sellers, however be warned, they do not contain Taiwan/Japan components. HexTronik (the manufacturers of these servos) have two standards, one is for local sale, and the other is export quality with imported connectors and resin gears from Taiwan and Japan.
Our HXT500 and HXT900 are export only, and not built for the domestic market. You will not find the same quality servo for less, anywhere!



PRODUCT ID: HXT900

Weight (g) 9
Torque (kg) 1.6
Speed(Sec/60deg) 0.12
A(mm) 29
B(mm) 23
C(mm) 26
D(mm) 12
E(mm) 32
F(mm) 16
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Customer Data

Shipped from:
International Warehouse

Price

$2.69

acc.
  • HXT900 (POM) Replacement Servo Gear Set

    Combo Price: $0.75   IN STOCK
    Add to Cart



Further discounts available for registered & logged-in customers.
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Estimated factory delivery date;
 Customer rated
55147
crowns
  
 
Total of 655 discussions.
handyjap  771 points - 4/28/2016
 
I found a T o w e r P r o sticker on the inside bottom of the case in one of my servos. Any body else had the same?
 __Nmut 109 points
I think the the servos are the same, you can exchange the parts. The only difference I see is the cable length...
BEST ANSWER CREDIT AWARDED
 EstebanT 997 points
Funny thing!
skyfox60  1347 points - 4/23/2016
 
Hi Grg, a real good alternativ Servo is this one: HK15178, that one: HKSCM9-6 and also this small thing here is very good: HKSCM12-5 ( The last one only for 5V ) I have them all, and they are as good as the HXT-900, in some point of view they are even better. The HKSCM9-6 is a digtal one that is really precise and you wont regred trying that one. Hope that helps for your decision.
Greg  1 points - 4/16/2016
 
Can someone give me the second best option to these please as they are out of stock.
 HobbyShun 239 points
These are similar: Turnigy™* TG9e Eco Micro Servo 1.5kg / 0.10sec / 9g PRODUCT ID: TG9e Just ordered myself, can't tell yet how good they are.))
 Joel 4 points
They are good and reliable but not so crash resistant.
 skyfox60 1347 points
Hi Greg, see my answer above in separate statement.
RonRC  4377 points - 3/18/2016
 
Hi all, If you have some of these that are busted, don't toss them. Here is what I've been doing with these little servos if they strip out or something.
 RonRC 4377 points
I used some of these servos I rebuilt from those I had and made a couple to drive my scratch built camera gimbal. They worked amazingly well!
 RonRC 4377 points
Two of these functioned really well in my 88mph F-22 prop jet too.
Hakan Sabri  8 points - 3/16/2016
 
Come On HK!!! What a hobbyshop must have at stocks most? of course SERVO!! i want to buy 7 items from HK and 5 of them backorder! for almost month!!!! Are you gonna shut down business or what?
 handyjap 771 points
These are the servos I use as well. Try a back order and wait for it. It might be worth your while.
 RonRC 4377 points
in stock now!
 andreas13 135 points
600pcs servos (hxt900 last day) just backorder in 2 day .... wow ..
Customer Reviews
Create an account
Overall Rating
Saurabh
19807 likes
ValueUNRATED
QualityUNRATED
456 thumbs up!
One of the best and MOST HOT selling servos... These come into stock and within 3 days are again out of stock... HOT SELLING Item. The performance of this servo is extremly good and fast. Very accurate and there are no centering issues. The gears are resin/plastic and for the money totally worth it.
I have been using these on my foamies for a long time now. A bit noisy but torque is good. Highly recommended. Buy them before they go OUT OF STOCK AGAIN.


20 comments. Reply..

Overall Rating
Anders Höglund
likes
ValueUNRATED
QualityUNRATED
129 thumbs up!
These gems are fast and strong, a bit noisy perhaps.

There is a downside of beeing strong and fast, they draw quite a bit of current.
I measured about 550mA when exercising one HXT900 without load. This is an average, it seems to require more peak current. If used together with a linear BEC it will cause voltage drops.

I tried 2 HXT900 with a 1.5A BEC and a Spektrum AR6200 Rx. I could not exercise those two without loosing power to the Rx and cause it to a "BrownOut Reboot".
With four servos connected, I could not even touch the control stick. The BEC circuit also got so hot it melted its plastic sleeve. Still works though, did not fail completely.

I tried with a larger ESC, having a 2A linear BEC, and it worked much better. But I could still force a "brownout reboot" by wildly excerise all four servos. I dare not fly my Pitts this way.

So, with four servos or more and an AR6200 Rx, I think you must use a larger switch mode BEC capable of 3A at least.

This is a combined problem of high current surge, poor power supply and voltage sensitive Rx. And maybe poor filtering of the powerline.
Not really a problem with the servos as such.
/A


27 comments. Reply..

Overall Rating
Anthony Manti
likes
ValueUNRATED
QualityUNRATED
84 thumbs up!
Alot of flyers in the area are just loveing these. Similar, and in some aspects superior performance to the famous HS-81 at one quarter the price.

Here's some stats from the forums here at Hobby City:

Results in degrees/sec.:

@4.8V 450
@6.0V 560
Results in sec/60degrees.:


@4.8V 0.13

@6.0V
0.11

Torque Centering
1.3 .2



3 comments. Reply..

Overall Rating
Quinton Marais
likes
ValueUNRATED
QualityUNRATED
77 thumbs up!
These HC babies kick Hitec HS-65HB's into the weeds starting with a massive 6:1 price ratio saving and ~identical physical size26.8hx23.2Lx12w mm at 9g. They use their own horn spine type however and good quality copper servo wire, and make a similar noise. My tests show very slightly higher power drain than a HiTec HS-65HB
@4.8v smooth flying/hard reversals/stalls @/speed
HXT900 160ma/290ma/690ma/0.14-60° (side-by-side with Hitec)
HS-65HB 135ma/260ma/545ma/0.14-60°
I have bought more than 30 of these and never did one give a problem with normal park flying/crashes and they work fine at 6v but be aware the current will rise to 190ma/370ma/690ma for your BEC. This servo allows you to own and operate 6 models where Hitec would limit you to one model. You decide. My recommendation is get more for less - they are basically the same spec. Sure we all have a few models that we like to run expensive servos on, but these HXT900 are the base to build a big pyramid on, and spend the money you save on buying more airplanes and helicopters. I don't consider them anything like a HS55 which = HXT500. 5 star performance for a 10 star price.


6 comments. Reply..

Overall Rating
Sergio.
237 likes
ValueUNRATED
QualityUNRATED
62 thumbs up!
These are really nice servo, and you get seven of them included shipping, for the price of one in Portugal.
These servant are fast and very accurate, and the price is fantastic.
Five stars.


8 comments. Reply..

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