Planetary Gear Set Trainer

SKU: EM-1100

The EM-1100 Planetary Gear Set Trainer is a simple planetary gear assembly that consists of 3 primary components: The ring gear (the outer most gear in black), 3 planet gears (green gears) that are housed by a carrier assembly (green circle) and a sun gear (the yellow gear in the center of the gear set). It allows the demonstration of the seven different gear ratios available with the planetary gear set.

Spec Sheet


Educational Advantages

  • Easy student visualization of planetary operation;
  • Sun, ring gear and carrier can be held, driven or allowed to react;
  • Demonstration of seven gear ratios is available;
  • Table top portability;
  • Optimal size for classroom.



  • Dimensions: H 27.13” x W 21.25” D 9.38” (69 x 54 x 23.8 cm) / H 29.13” x W 23.25” D 11.38” (74 x 59 x 28.9 cm) w/packaging
  • Weight: 28 lb (12.7 kg) / 31 lb (14 kg) w/packaging
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