Linear & Brushless Servo Actuators for UAVs, Robotics & Unmanned Systems

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Hitec is a leading designer and manufacturer of high-quality servo actuators for unmanned systems and robotics. Our mission-critical actuation technologies are used in UAVs, UGVs, AUVs and ROVs worldwide.

High Performance Servo Actuators

Servo Actuators for ROVs UAVs roboticsOur precision motion control solutions deliver unrivalled reliability, power, speed, and durability. Our off-the-shelf and custom actuators are designed for challenging and demanding industrial and commercial applications, such as military retrieval ROVs, UAVs/RPAS, Autonomous Vehicles and Robotics.

Precision Linear Actuators

Linear actuators for UAVs, robotics and unmanned vehicles

The HLS12 series of precision linear actuators features accurate repeatability and a range of versatile programmable functions in three different stroke lengths.
Linear Actuators for UAVs, Robotics

30mm50mm100mm
Operating Voltage Range4.8 – 7.4 VDC
No Load Speed10mm/s @ 4.8V, 13mm/s @ 6.0V, 15mm/s @ 7.4V
Idle Current45 mA @ 4.8V, 50 mA @ 6.0V, 55 mA @ 7.4V
No Load Current75 mA @ 4.8V, 80 mA @ 6.0V, 90 mA @ 7.4V
Load Speed @ 1.7Kg (17N)8mm/s @ 4.8V, 11mm/s @ 6.0V, 13mm/s @ 7.4V
Load Speed @ 3.1Kg (31N)4mm/s @ 4.8V, 7mm/s @ 6.0V, 12mm/s @ 7.4V
Load Speed @ 4.2Kg (42N)3mm/s @ 4.8V, 5mm/s @ 6.0V, 9mm/s @ 7.4V
Load Current @ 1.7Kg (17N)200 mA @ 4.8V, 210 mA @ 6.0V, 220 mA @ 7.4V
Load Current @ 3.1Kg (31N)290 mA @ 4.8V, 300 mA @ 6.0V, 310 mA @ 7.4V
Load Current @ 4.2Kg (42N)390 mA @ 4.8V, 400 mA @ 6.0V, 410 mA @ 7.4V
Max Static Load200 N
Repeatability±0.2mm±0.3mm±0.5mm
Dimensions82 x 15 x 18mm
3.23 x 0.60 x 0.70 in
102 x 15 x 18mm
4.02 x 0.60 x 0.70 in
152 x 15 x 18mm
5.98 x 0.60 x 0.70 in
Weight34g / 1.20 oz40g / 1.41 oz56g / 1.98 oz

Learn more: Linear Actuators

SG Series Brushless Actuators

With high performance DC motors

Magnetic Encoder Brushless SeriesThe SG actuator series features high-performance brushless DC motors with the option of either steel or titanium gears.

Encased with a rugged, IP67 rated anodized aluminium alloy casing, these actuators are capable of 360 degree proportional rotation and are ideal for a wide range of rotary applications within UAVs and robotic platforms.

SG29SG33
Operating Voltage Range9 – 15 VDC
No Load Speed0.17 – 0.14 seconds per 60°
61 – 74 RPM
364° – 444° deg/sec
0.20 – 0.17 seconds per 60°
49 – 60 RPM
295° – 360° deg/sec
Max Torque Range1035 – 1265 oz./in.
74.5 – 94.1 kg/cm
731 – 893.5 Ncm
1843 – 2253 oz./in.
132.7 – 162.2 kg/cm
1301.6 – 1590.9 Ncm
Idle Current45 mA45 mA
No Load Current630 mA500 mA
Dimensions64 x 29 x 97 mm
2.52 x 1.14 x 3.82 in
64 x 33 x 95 mm
2.52 x 1.30 x 3.74 in
Weight380g/13.40 oz400g/14.41 oz

Brushless Series Actuators

20mm high performance actuators with steel or titanium gears

Advanced Brushless Drone ActuatorsThe Brushless Series of high-performance 20mm actuators for robotics and unmanned systems features programmable 12-bit PWM Digital Circuitry, low power consumption for energy efficiency, and constant torque output across the entire voltage range.

Brushless Series Actuators – Steel Gears:

HSB-9465SHHSB-9475SHHSB-9485SH
Voltage6.0-7.4V
No Load Speed111-143 RPM77-100 RPM56-67 RPM
Max Torque Range132 Ncm190 Ncm255 Ncm
Dimensions40.0 x 20.0 x 37.0 mm
1.58 x 0.79 x 1.48 in
Weight62g/2.19 oz

Brushless Series Actuators – Titanium Gears:

HSB-9360THHSB-9370THHSB-9380THHSB-9381THHSB-M9381THHSR-M9382TH
Voltage6.0-7.4V
No Load Speed133-167 RPM83-100 RPM59-71 RPM59-71 RPM59-71 RPM59-71 RPM
Max Torque Range167 Ncm265 Ncm383 Ncm383 Ncm383 Ncm383 Ncm
Dimensions40.0 x 20.0 x 38.0 mm
1.58 x 0.79 x 1.50 in
Weight68g/2.40 oz

MD Series Actuators

Heavy-duty actuators for robotics and unmanned systems

The MD Series of IP65-rated heavy-duty actuators for robotics and unmanned systems features high-resolution programmable 32-bit digital circuitry, magnetic encoder position sensors, and a wide variety of protocol capabilities including CAN Bus (2.0A or 2.0B), UAVCAN, RS-485, PWM & TTL.

MD-Series IP65-rated heavy-duty actuators

MD Series Actuators – 10-13mm:

MD145SWMD65MGMD70MHMD85MGMD89MW
Size10mm12mm12mm13mm13mm
Voltage4.8-7.4V4.8-6.0V4.8-7.4V4.8-6.0V4.8-6.0V
No Load Speed47-71 RPM47-71 RPM67-83 RPM59-77 RPM59-91 RPM
Max Torque Range47-72 Ncm54-84 Ncm
Dimensions30 x 10 x 37mm
1.18 x 0.39 x 1.45 in
23.6 x 11.6 x 25.8mm
0.92 x 0.45 x 1.12 in
23.6 x 11.6 x 30mm
0.92 x 0.45 x 1.18 in
29 x 13 x 3mm
1.14 x 0.51 x 1.18 in
Weight27.7 g
0.98 oz
11.9 g
0.42 oz
14.1 g
0.49 oz
25.0 g
0.88 oz

MD Series Actuators – 15-20mm:

MD250MWMD245MWMD485HWMD950MWMD980TW
Size15mm17mm20mm20mm22mm
Voltage
No Load Speed50-77 RPM59-91 RPM50-67 RPM44-72 RPM36-59 RPM
Max Torque Range48.1-73.5 Ncm41.2-62.8 Ncm47-73 Ncm255-431.5 Ncm
Dimensions35x15x33mm
1.40×0.60×1.30in
32.4×16.8×32.8mm
1.30×0.66×1.30in
39.8×19.8x38mm
1.57×0.78×1.50in
40x20x38mm
1.57×0.79×1.50in
43.8×22.4x40mm
1.72×0.88×1.57in
Weight31.0 g
1.09 oz
34.0 g
1.2 oz
45.0 g
1.59 oz
68.0 g
2.4 oz
79.0 g
2.79 oz

MD Series Waterproof Actuators

Rugged IP67-rated actuators

The MD Series Waterproof additionally features IP67 rated casings:

MD-Series Waterproof IP67-Rated Actuators

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