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GEM Gearbox - One Stage, 3.67:1 (am-0449)
GEM Gearbox - One Stage, 3.67:1 (am-0449)
Note: This item is no longer available, please see the CIM SPORT.
Price: $89.00

Stock Status:(Out of Stock)

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Note: This item is no longer available, please see the CIM SPORT.

Product Overview:
This GEM gearbox is a modular, epicyclic gearbox featuring a single-stage 3.67:1 reduction. This gearbox is shipped with one stage as part of the base housing. Theoretically, an infinite amount of stages could be stacked on this gearbox. This gearbox is designed to be used with the CIM Motor (am-0255) (not included).

  • Output Speed: 1170 RPM
  • Stall Torque: 6.56 ft-lbs
  • Weight: 1.8 Lbs
  • Body Material: 6061 Aluminum
  • Output Shaft Size: 1/2" with 1/8" Keyway
  • Output Shaft Material: 4140 Steel (used as the same piece as the planet carrier)
  • Mounting Holes: 1/4-20
Loose Hardware Shipped with Gearbox for CIM Mounting:
Gear Ratios:
  • Each stage has a ratio of 3.67:1
  • Base Stage: 3.67:1
  • Two Stages: 13.5:1 (with 1 Stage Added)
  • Three Stages: 45.4:1 (with 2 Stages Added)
  • Four Stages: 181.4:1 (with 3 Stages Added)
  • Material: 4140 Steel
  • DP: 20
  • Pressure Angle: 14.5
  • Face Width: 0.30"
*** NOTE ***: When utilizing only 1 stage of this gearbox combined with a CIM motor, the shaft of the CIM motor must be cut off right past the Sun Gear. A GEM Bracket is available for mounting purposes.

Made in the USA:
Bearings and screws were not made in the USA. All other components were designed, manufactured and assembled in the United States of America.

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