We carry a wide variety of servos, from ultra-high-torque monster servos with up to 1600 oz-in of torque, to sub-micro servos weighing less than 3 g (0.11 oz), to continuous rotation servos that are great actuators for beginner robotics projects, and all of our servos are compatible with our servo controllers.
Whatever your application, we probably have a servo for it! Our parametric search of our assortment of servos can help you find the servo you’re looking for.
Note: Servos must be connected to a servo controller, RC receiver, or microcontroller to be used. Except where specifically noted otherwise, our servos have female JR connectors, which are compatible with male JR connectors and male Futaba connectors as well as 1×3 0.1" male header pins.
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The DSP33 from Power HD is a very fast sub-micro servo with digital control electronics for increased performance. At just 3 g, it is one of the smallest and lightest servos we carry, making it a great tiny actuator for robotic or RC mechanisms that need to be quick and very light. This servo features a light, 3"-long cable terminated by a special 1.5mm-pitch ZH-style JST connector intended for very small RC receivers. Servo horns and associated hardware are included.
Key specs at 6 V: 0.07 sec/60°, 5 oz-in (0.35 kg-cm), 3 g.
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This generic sub-micro servo is one of the lightest servos we carry, weighing just 3.7 g (0.13 oz) without the lead. It is intended for use between 4.8 and 6 V (i.e. with 4- or 5-cell NiMH or NiCD battery packs). Servo horns and associated hardware are included.
Key specs at 6 V: 0.07 sec/60°, 6 oz-in (0.4 kg-cm), 3.7 g (0.13 oz).
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The HD-1440A analog servo from Power HD is one of the smallest servos we carry and is a great, inexpensive, tiny actuator for a small robot mechanism. Servo horns and associated hardware are included.
Key specs at 6 V: 0.10 sec/60°, 14 oz-in (1.0 kg-cm), 4.3 g.
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The HD-1600A analog servo from Power HD is a great general-purpose micro servo at a great price. Servo horns and associated hardware are included.
Key specs at 6 V: 0.10 sec/60°, 17 oz-in (1.2 kg-cm), 6.0 g.
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The DSM44 digital servo from Power HD is a micro servo with digital control electronics for enhanced performance and metal gears for increased durability. It is a great tiny actuator for robotic or RC mechanisms that need to be light, quick, and strong. Servo horns and associated hardware are included.
Key specs at 6 V: 0.07 sec/60°, 22 oz-in (1.6 kg-cm), 6 g.
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The DS65HB digital servo from Power HD is a micro servo with digital control electronics for increased performance. It offers a good blend of speed and torque in a very small package. Servo horns and associated hardware are included.
Key specs at 6 V: 0.08 sec/60°, 21 oz-in (1.5 kg-cm), 6.5 g.
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The HD-1800A analog servo from Power HD is a great general-purpose micro servo at a great price. Servo horns and associated hardware are included.
Key specs at 6 V: 0.08 sec/60°, 18 oz-in (1.3 kg-cm), 8.0 g.
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The HD-1900A analog servo from Power HD is a great general-purpose micro servo at a great price. Servo horns and associated hardware are included.
Key specs at 6 V: 0.08 sec/60°, 21 oz-in (1.5 kg-cm), 9.0 g.
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The HD-1581HB digital servo from Power HD is a micro servo with digital control electronics for increased performance. Servo horns and associated hardware are included.
Key specs at 6 V: 0.16 sec/60°, 36 oz-in (2.6 kg-cm), 12.3 g.
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The HD-1810MG digital servo from Power HD is a miniature servo with digital control electronics for increased performance. The output shaft is supported by a ball bearing, and the gear train and part of the case are metal for increased durability. Servo horns and associated hardware are included.
Key specs at 6 V: 0.13 sec/60°, 54 oz-in (3.9 kg-cm), 16 g.
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The HD-1160A is an inexpensive, general-purpose miniature analog servo from Power HD. Servo horns and associated hardware are included.
Key specs at 6 V: 0.11 sec/60°, 37 oz-in (2.7 kg-cm), 16 g.
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The HD-1705MG high-speed mini servo from Power HD is one of the fastest servos we sell. This mini servo has the same output spline as standard servos, making it compatible with standard-sized servo horns. The gear train is made primarily of metal gears and the output shaft is supported by a ball bearing. Servo horns and associated hardware are included.
Key specs at 6 V: 0.05 sec/60°, 28 oz-in (2 kg-cm), 17.5 g.
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The HD-1711MG from Power HD is a miniature-sized servo with the same output spline as standard servos, making it compatible with standard-sized servo horns. The gear train is made primarily of metal gears and the output shaft is supported by a ball bearing. Servo horns and associated hardware are included.
Key specs at 6 V: 0.11 sec/60°, 49 oz-in (3.5 kg-cm), 19.5 g.
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The 3688HB digital servo from Power HD, a high-quality, miniature servo with digital control electronics for increased performance, is one of the fastest servos we carry. The output shaft is supported by two ball bearings. Servo horns and associated hardware are included.
Key specs at 6 V: 0.07 sec/60°, 35 oz-in (2.5 kg-cm), 26 g.
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This digital servo offers exceptional speed without sacrificing torque, delivering standard-servo torque in a miniature size. The output shaft is supported by two ball bearings for decreased friction. Servo horns and associated hardware are included.
Key specs at 6 V: 0.07 sec/60°, 58 oz-in (4.2 kg-cm), 26 g.
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The 6001HB is a low-cost, standard analog servo from Power HD that gives you plenty of torque without sacrificing speed. Two ball bearings help reduce friction and improve performance. This servo is a replacement for—and upgrade over—the original HD-2400A servo. Servo horns and associated hardware are included.
Key specs at 6 V: 0.14 sec/60°, 93 oz-in (6.7 kg-cm), 43 g.
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The 3001HB is a great, general-purpose, low-cost standard analog servo from Power HD. Two ball bearings help reduce friction and improve performance. This servo is a replacement for—and upgrade over—the original HD-2360A servo. Servo horns and associated hardware are included.
Key specs at 6 V: 0.12 sec/60°, 61 oz-in (4.4 kg-cm), 43 g.
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The 1501MG is a metal-geared analog servo from Power HD that delivers extra-high torque normally associated with much more expensive or larger servos. This servo is a replacement for—and upgrade over—the original HD-2550A servo. Servo horns and associated hardware are included.
Key specs at 6 V: 0.14 sec/60°, 240 oz-in (17 kg-cm), 60 g.
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The HD-9150MG digital servo from Power HD delivers extra-high torque and features digital control electronics for increased performance. The output shaft is supported by two ball bearings, and the entire gear train is metal for increased durability. Servo horns and associated hardware are included.
Key specs at 6 V: 0.18 sec/60°, 220 oz-in (16 kg-cm), 61 g.
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The SM-S4303R is a standard-sized servo that has been built by SpringRC specifically for continuous rotation, making it an easy way to get your robot moving. It features two ball bearings on the output shaft for reduced friction, and it offers easy access to the rest-point adjustment potentiometer. This is the strongest (and most popular) continuous rotation servo we carry.
Key specs at 6 V: 70 RPM (no-load), 67 oz-in (4.8 kg-cm), 44 g
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The GWS35 continuous rotation servo is a standard-sized servo that has been built by GWS for continuous rotation. Since servos have their own integrated control circuitry, this unit gives you an easy way to get your robot moving.
Note: We do not have an estimate for when this will be back in stock. Please consider the Spring RC continuous rotation servo as an immediately available alternative.
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The Parallax continuous rotation servo is a Futaba S148 servo that has been modified for continuous rotation. Since servos have their own integrated control circuitry, this unit gives you an easy way to get your robot moving.
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The GWS PICO Sub-Micro Servo is the smallest GWS servo we carry, and it is the perfect tiny actuator for a small robot mechanism. Even the leads are extra thin to keep weight down.
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The GWS NARO+ F HP BB Micro Servo is a small, quick, 22.2mm x 11.00mm x 22.85mm servo, recommended for use at 4.8 V.
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The GWS NARO PRO Sub-Micro Servo is among the fastest servos we carry; it is recommended for use at 4.8 V.
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The GWS PARK L Mini Servo would have been considered a micro servo until the recent introduction of extremely tiny servos like the PICO and NARO. This miniature servo has almost the same power as a standard servo, and the transparent case makes it especially well suited for science projects and demonstrations.
Key specs at 6 V: 0.10 sec/60°, 39 oz-in (2.8 kg-cm), 17 g
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The GWS PARK HPX F Mini Servo would have been considered a micro servo until the recent introduction of extremely tiny servos like the PICO and NARO. This miniature servo has almost the same power as a standard servo, and the transparent case makes it especially well suited for science projects and demonstrations. The PARK HPX F is more powerful than the PARK L and is almost twice as fast.
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The GWS PARK HPX Mini Servo is a small servo that has about the same power as a standard servo, runs faster, and has a transparent case that makes it especially well suited for science projects and demonstrations.
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The GWS MINI servo is slightly smaller and lighter than a standard servo, but it delivers the performance of a standard servo. Best of all, you get a mini servo at the price of a cheap standard servo.
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The GWS MINI L servo delivers the performance of a standard servo in a smaller and lighter package. The MINI L is slightly smaller, faster, and more powerful than the MINI.
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The GWS S03N Standard Servo is the higher-torque option between the S03N models we carry, providing 56 oz-in at a speed of 0.18 seconds per 60 degrees of motion at 6 V.
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The GWS S03N 2BB Standard Servo has two ball bearings on the output shaft. These ball bearings decrease internal friction and allow for slightly increased torque over the GWS S03N.
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The GWS S03N XF Standard Servo is the faster option between the S03N models we carry, providing 34 oz-in at a speed of 0.12 seconds per 60 degrees of motion at 6 V.
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The GWS S03T STD servo is a standard-sized servo with an extra-high gear ratio that provides almost double the torque of a typical servo. The servo is 4 mm taller than most standard servos.
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The GWS S125 1/2T 2BB Sail Winch Servo is a unique servo that has a wider rotation range than typical hobby servos. It rotates 180° over the standard 1-2 ms servo pulse range output by many RC receivers (typical hobby servos turn 90° over this pulse range).
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The GWS S125 1T 2BB Sail Winch Servo is a unique servo that has a wider rotation range than typical hobby servos. It rotates one full turn (360°) over the standard 1-2 ms servo pulse range output by many RC receivers (typical hobby servos turn 90° over this pulse range).
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The GWS S04 BBM Large Servo is a great value: a heavy duty, giant servo that packs over 180 oz-in!
Note: We do not have an estimate for when this will be back in stock. Please consider the Power HD High-Torque Servo 1501MG as an immediately available, higher-performance alternative.
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For projects that require brute strength, look no further than the S689-2BB/MG. This giant-scale servo from GWS delivers extremely high torque, and it doesn’t sacrifice speed to do it. The output shaft is supported by two ball bearings, and the gears are metal for increased durability. Servo horns and associated hardware are included.
Key specs at 6 V: 0.128 sec/60°, 400 oz-in (30 kg-cm), 160 g.
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The GWS S777CG 6BB Giant Servo is our largest, heaviest-duty GWS servo, weighing it at 6.7 oz and providing 583 oz-in of torque. If you need plenty of torque, the S777 will deliver.
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The i00600 Torxis is an ultra-high-torque servo that can deliver 1600 oz-in (115 kg-cm) of torque. This monster servo is controlled via the standard radio-controlled hobby servo interface and can travel 90 degrees in 1.5 seconds. The Torxis servo’s strength makes it suitable for applications that are too demanding even for giant-scale servos, and its 0.125"-thick mounting flange and aluminum main housing make it rugged enough for the rigors of a factory environment.
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The i00800 Torxis is an ultra-high-torque servo that can deliver 800 oz-in (57 kg-cm) of torque. This monster servo is controlled via the standard radio-controlled hobby servo interface and can travel 90 degrees in 0.75 seconds. The Torxis servo’s strength makes it suitable for applications that are too demanding even for giant-scale servos, and its 0.125"-thick mounting flange and aluminum main housing make it rugged enough for the rigors of a factory environment.
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