Hitec HS-311 Standard – Supermodified Servo

$85.00

The perfect servo for inexpensive apps!

Hitec HS-311 Standard – Supermodified Servo

The HS-311 is a perfect match for the Supermodified Servos . We have modified many 311’s and are ready for you. Each modified servo is documented over an integration protocol so you know exactly its capabilities. Every shipped HS-311 supermodified has an INDIVIDUAL integration report that let you know exactly its characteristics. Also in our lab we have investigated the correct P,I,D (at no load) so you get the optimal repeatability! Note that the Hitec HS311 is modified to continuous rotation and we offer 2-year warranty.

  • Modified for continuous rotation (360 degrees) with 32768 ticks/rev!
  • Continuous Rotation WITHOUT DEAD BAND and 3.7 kgcm torque (@6V)
  • Selection of communication bus: I2C, RS485 and Legacy PPM offered.
  • Nylon Gears & Plastic bushing support.
  • 64 bit position measurement.
  • Positioning repeatability up to 50 ticks.

HS-311 Supermodified Specs

Control System: SMS V3.0
Operating Voltage: 4.8-6.0 Volts
Operating Temperature Range: -20 to +60 Degree C
Operating Speed (4.8V): 0.19sec/60° at no load
Operating Speed (6.0V): 0.15sec/60° at no load
Stall Torque (4.8V): 42 oz/in (3.0 kg/cm)
Stall Torque (6.0V): 51 oz/in (3.7 kg/cm)
Current Drain (4.8V): 4 mA/idle, 700mA under load
Current Drain (6.0V): 4 mA/idle, 800mA under load
Direction: Multi-directional (64 bit revolution counter)
Motor Type: Cored Metal Brush
Position Feedback: MagENC Low Rev
Bearing Type: Top Resin Bushing
Gear Type: Nylon
Continuous Rotation:
Wire Lengths: 4inch (~100mm)
Weight: 1.52oz (43g)

Note that the Hitec HS311 is modified to continuous rotation and we offer 2-year warranty.

Additional information

Weight 0.09 lbs
Dimensions 1.57 × 0.78 × 1.43 in

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Product Manuals

If applicable, the Product Documentation, Reference Materials, CAD design(s),.STEP file(s) and/or other drawing files, Manuals, and Tutorials will be available for download upon purchase. The order confirmation email will include a downloadable link to the product file(s), which can also be downloaded from the My Account section if needed.


01TM Mechatronics is a company founded by engineers and robotics enthusiasts. Our extensive experience has been the driving force behind the design of our products. We aim at providing essential products and tools for the robotics engineer and enthusiast of the future. Until today we have shipped our amazing products rapidly and reliably to over 30 countries worldwide.  They are being used effectively on successful applications such as manipulation of cameras and onboard drones, integration on Unmanned Aerial Vehicles (UAVs) and on Unmanned Ground Vehicles (UGVs) from southern hemisphere, Australia and Indonesia extending to Canada and Nordic countries.

Shipping Policy

We ship to USA, Canada and Europe

Return Policy

EXCHANGE POLICY: Oz Robotics wants you to be happy with your new purchase. However, we abide by the exchange policy of our suppliers because we do not manufacture these products; our suppliers do. Please read the product exchange policy defined by each supplier for their own listed product(s), which can be found under the Shipping tab on each product page. Once you have used the product, our supplier(s) and we have the right not to issue a refund. Still, they will offer an exchange for the wrongly purchased items or products with serious and irreversible defects or technical problems (s). If wrongly purchased products or any other similar issues, the buyer will pay the shipping fee. If the product you purchased is defective, please email us at support@ozrobotics.com with some photos or a video of the defective parts to evaluate before you send it. Click HERE for more on Refund and Replacement Policy

REFUNDS/RETURNS: Oz Robotics accepts returns on a minimal basis unless there is a manufacturing defect. For any electronic items, returns are only accepted on devices with serious and irreversible problems; meanwhile, the customer must apply for the returns within 7 days from the delivery date. Before a refund acceptance, please include images or a video and any other material proof of the defect. However, we abide by the exchange policy of our suppliers because we do not manufacture these products; our suppliers do.

Other than our supplier’s default policy, once a return is agreed upon, then you can ship your defective item to the provided return address that you should receive from us first. Please ship the order in original packaging with all the accessories and additional parts. If the Required Parts are not sent back, they will be billed for or expected to be shipped at a later stage. And only once all items have arrived as a full system can we check the returned product for testing. Include in your package a signed letter stating the reason for your return and the original receipt as well as any mentioned proof of defect, images, or a video, etc. This will help us to speed up the process on your behalf.

The purchaser (customer/buyer) is responsible for all shipping costs when returning an item. However, upon receiving the returned order, we will assess the product. If it is determined that there is, in fact, a manufacturing defect, then we will refund the shipping costs as well as repair or replace or refund the full amount to the purchaser if the product is not fixable.

If you wish to return an unused product, please do so within 7 days from the ship date for a refund on the purchase price, minus shipping, handling. Refunds will be credited to the original credit card use for payment in 24-48 HOURS after receiving the product back. We will charge 50% restocking fee.

Once your return is received and inspected, and if agreed for a refund, refunds will be credited to the original credit card used for payment in 24-48 hours. Please note that we will charge a 50% restocking fee if you want to return a product without any defect.

Once your refund is processed, then PayPal will return the money to the card that was used. It may take at least 5 business days (depending on the bank and credit company) before your refund is officially posted in your bank account and statements. Contact Us if you still have not received your refund after 5 business days.

Do not return your product to our New York office. For any exchange or refunds, please email us first at support@ozrobotics.com for us to provide you with the steps that need to be followed. Any product you return must be in the same condition you received and returned in the original packaging without being used. Please keep the original receipt. More on Refund and Replacement Policy.

Shipping costs

Country State Postcode Cost
Canada Any Any $85.00
United States (US) Any Any $85.00
United Kingdom (UK) Any Any $29.00
Switzerland Any Any $76.00
Belgium Any Any $26.00
Slovenia Any Any $30.00
Poland Any Any $23.00
Bulgaria Any Any $28.00
Cyprus Any Any $17.00
Czech Republic Any Any $23.00
Germany Any Any $28.00
Italy Any Any $28.00
Finland Any Any $28.00
Spain Any Any $28.00
Sweden Any Any $28.00
Norway Any Any $85.00
Russia Any Any $85.00
India Any Any $85.00
Turkey Any Any $85.00

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