MB Dynabloc

Backlash from 10 to 30 arcmin (40 arcmin for Mb4202)
Ratios from 5 to 90 (623 for Mb4202)

Mb Dynabloc is a range of compact, versatile geared servo motors for applications requiring standard backlash.

The worm gearbox provides quiet operation even at high torque. The space-saving right angle design and wide choice of mounting forms, output shafts and operating positions enables easy integration into different machines.

The models MB 4101 and Mb 4202 are fitted with compact Unimotor hd servo motors. All other Mb Dynablocs are fitted with Unimotor fm flexible servo motors making them ideal for applications with high inertia loads where continuous torque is required.


  • Economical solution
  • Compact size
  • Space-saving right angle output
  • Quiet operation
  • Universal mounting (fitted with a standard motor)

Main Characteristics

Rated torqueN.m30 to 750
Max acceleration torqueN.m1890
Gearbox ratio5 to 90 (623 for Mb 4202)
BacklasharcminSTANDARD: 10-30
MotorUnimotor hd (Mb 4101, Mb 4202) Unimotor fm
Motor speedrpm3000
Efficiency%Depending on size
Output shaftSolid shaft with key or hollow shaft with key
MountingFoot, flange or torque arm