MD Series Actuators
Rugged IP67-rated waterproof actuators
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 Actuators - 10-13mm:
MD145SW | MD65MG | MD70MH | MD85MG | MD89MW | |
Size | 10mm | 12mm | 12mm | 13mm | 13mm |
Voltage | 4.8-7.4V | 4.8-6.0V | 4.8-7.4V | 4.8-6.0V | 4.8-6.0V |
No Load Speed | 47-71 RPM | 47-71 RPM | 67-83 RPM | 59-77 RPM | 59-91 RPM |
Max Torque Range | 47-72 Ncm | 54-84 Ncm | |||
Dimensions | 30 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 | |
Weight | 27.7 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:
MD250MW | MD245MW | MD485HW | MD950MW | MD980TW | |
Size | 15mm | 17mm | 20mm | 20mm | 22mm |
Voltage | |||||
No Load Speed | 50-77 RPM | 59-91 RPM | 50-67 RPM | 44-72 RPM | 36-59 RPM |
Max Torque Range | 48.1-73.5 Ncm | 41.2-62.8 Ncm | 47-73 Ncm | 255-431.5 Ncm | |
Dimensions | 35x15x33mm 1.40x0.60x1.30in | 32.4x16.8x32.8mm 1.30x0.66x1.30in | 39.8x19.8x38mm 1.57x0.78x1.50in | 40x20x38mm 1.57x0.79x1.50in | 43.8x22.4x40mm 1.72x0.88x1.57in |
Weight | 31.0 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 |
The MD Series of waterproof actuators additionally features IP67 rated casings.

MD845WP and MDR845WP (Continuous Rotation) | MD1100WP | |
Size | 32mm | 33mm |
Voltage | 4.8-7.4V | 11.1-14.8V |
No Load Speed | 56-67 RPM | 38-53 RPM |
Max Torque Range | 318.7-490.3 Ncm | 824-1078 Ncm |
Dimensions | 66.0 x 32.0 x 62.0 mm 2.6 x 1.26 x 2.44 in | 64.0 x 33.0 x 73.0 mm 2.52 x 1.30 x 2.87 in |
Weight | 227 g 8.01 oz | 363 g 12.8 oz |