Mechanical Components »

RC Servos

We carry a wide variety of servos, all of which are compatible with our servo controllers. The sizes range from an ultra-high-torque monster servo with up to 1600 oz-in of torque to a sub-micro servo weighing less than 0.15 ounces (3.7 g). We also offer several unique servos:

The GWS S35 STD continuous rotation servo is a servo that has been designed for continuous rotation, making it a great actuator for beginner robotics projects.
The BCM servo has a rotating arm in the body of the servo in addition to the typical output shaft at the top of the servo.

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: The servos must be connected to a servo controller, RC receiver, or microcontroller to be used. All of the servos have Futaba or Futaba-compatible cable connections.

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Pololu item #: 1040
Price: $9.95

Power HD Sub-Micro Servo HD-1440A

The HD-1440A analog servo from Power HD is one of the smallest servos we carry, making it a perfect 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.

Pololu item #: 1053
Price: $8.95

Sub-Micro Servo 3.7g (Generic)

This generic sub-micro servo is the lightest servo we carry, weighing just 3.7 g (0.13 oz) without the lead, which makes it a great tiny actuator for a small robot mechanism or radio-controlled models. Servo horns and associated hardware are included.

Key specs at 4.8 V: 0.12 sec/60°, 8 oz-in (0.6 kg-cm), 3.7 g (0.13 oz).

Pololu item #: 1049
Price: $9.95

Power HD Micro Servo HD-1800A

The HD-1800A analog servo from Power HD is a great general-purpose micro servo at a great price. It is smaller and 11% lighter than the HD-1900A micro servo, but it provides 13% less torque. Servo horns and associated hardware shown in the product picture are included.

Key specs at 6 V: 0.08 sec/60°, 18 oz-in (1.3 kg-cm), 8.0 g.

New!
Pololu item #: 1050
Price: $9.95

Power HD Micro Servo HD-1900A

The HD-1900A analog servo from Power HD is a great general-purpose micro servo at a great price. It provides 15% more torque than the HD-1800A, but it is a little larger and weighs 13% more. Servo horns and associated hardware shown in the product picture are included.

Key specs at 6 V: 0.08 sec/60°, 21 oz-in (1.5 kg-cm), 9.0 g.

Pololu item #: 1042
Price: $17.29

Power HD Micro Digital Servo HD-1581HB

The HD-1581HB digital servo from Power HD is a micro servo with digital control electronics for increased performance. The output shaft is supported by a ball bearing, and some of 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: 0.16 sec/60°, 36 oz-in (2.6 kg-cm), 12.3 g.

Pololu item #: 1046
Price: $9.95

Power HD Mini Servo HD-1160A

The HD-1160A is a great general-purpose miniature analog servo from Power HD.

Key specs at 6 V: 0.11 sec/60°, 37 oz-in (2.7 kg-cm), 16 g.

Pololu item #: 1047
Price: $19.95

Power HD Mini Digital Servo HD-1810MG

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.

Key specs at 6 V: 0.13 sec/60°, 54 oz-in (3.9 kg-cm), 16 g

New!
Pololu item #: 1055
Price: $29.95

Power HD High-Speed Mini Digital Servo DS-3688HB

The DS-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, and some of the gears are metal for increased durability. Servo horns and associated hardware are included.

Key specs at 6 V: 0.07 sec/60°, 40 oz-in (2.8 kg-cm), 25 g

New!
Pololu item #: 1058
Price: $9.95

Power HD Standard Servo HD-3001HB

The HD-3001HB is a great, general-purpose, low-cost standard analog servo from Power HD. 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.

New!
Pololu item #: 1056
Price: $12.95

Power HD Standard Servo HD-6001HB

The HD-6001HB is a low-cost, standard analog servo from Power HD that gives you plenty of torque without sacrificing speed. 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.

New!
Pololu item #: 1057
Price: $19.95

Power HD High-Torque Servo HD-1501MG

The HD-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.

Pololu item #: 1048
Price: $49.95

Power HD High-Torque Digital Servo HD-9150MG

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 a ball bearing, and the entire gear train is metal for increased durability.

Key specs at 6 V: 0.18 sec/60°, 220 oz-in (16 kg-cm), 61 g

On sale!
Pololu item #: 1054
Price: $16.95 ~~$22.95~~

High-Torque Servo with Metal Gears (Generic)

This standard-size generic servo can deliver quite a bit of torque using a geartrain comprised entirely of metal gears. Servo horns and associated hardware are included.

Key specs at 6 V: 0.16 sec/60°, 140 oz-in (10.2 kg-cm), 56 g (2.0 oz)

On sale!
Pololu item #: 948
Price: $12.95 ~~$13.49~~

GWS S35 STD Continuous Rotation Servo

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.

Pololu item #: 536
Price: $13.95

Parallax (Futaba S148) Continuous Rotation Servo #900-00008

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.

Pololu item #: 986
Price: $11.95

BCM Servo

This servo is a generic version of the Joinmax Digital servo and is the same one used in the BCM Gripper. The unique arm on the output shaft allows for mounting options not available with traditional servos. The rotation range is 10° to 170° and the servo can operate from 4.5 to 6 V.

Pololu item #: 501
Price: $15.95

GWS PICO Sub-Micro Servo

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.

Pololu item #: 520
Price: $17.95

GWS NARO+ F HP BB Micro Servo

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.

Pololu item #: 521
Price: $12.95

GWS NARO PRO Sub-Micro Servo

The GWS NARO PRO Sub-Micro Servo is among the fastest servos we carry; it is recommended for use at 4.8 V.

Pololu item #: 505
Price: $15.95

GWS PARK L Mini Servo

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.

Pololu item #: 649
Price: $16.95

GWS PARK HPX F Mini Servo

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.

Pololu item #: 1649
Price: $16.95

GWS PARK HPX BB Mini Servo

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.

Pololu item #: 506
Price: $11.95

GWS MINI Mini Servo

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.

Pololu item #: 692
Price: $12.95

GWS MINI L Mini Servo

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.

Pololu item #: 519
Price: $11.95

GWS S03N Standard Servo

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.

Pololu item #: 693
Price: $14.95

GWS S03N 2BB Standard Servo

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.

Pololu item #: 518
Price: $11.95

GWS S03N XF Standard Servo

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.

Pololu item #: 507
Price: $11.95

GWS Servo S03T STD

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.

Pololu item #: 522
Price: $19.95

GWS S125 1T 2BB Sail Winch Servo

The GWS S125 1T 2BB Sail Winch Servo is a unique servo (typically used for radio control sail boats) that can rotate a full 360 degrees, rather than the typical range of less than 180 degrees for most servos.

Pololu item #: 517
Price: $19.95

GWS S04 BBM Large Servo

The GWS S04 BBM Large Servo is a great value: a heavy duty, giant servo that packs over 180 oz-in for less than $20!

Pololu item #: 516
Price: $79.00

GWS S777 6BB Giant Servo

The GWS S777 6BB Giant Servo is our largest, heaviest-duty servo, weighing it at 6.7 oz and providing 583 oz-in of torque.

Pololu item #: 1390
Price: $289.00

Invenscience Torxis Servo 1600 oz.in. 1.5 sec/90 deg

The 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.

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