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AM Planetary Gearbox (am-0002)
AM Planetary Gearbox (am-0002)
Price: $75.00

Stock Status: In Stock

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Product Usage:
All AndyMark gearboxes require grease for proper operation and long life. We suggest using our red tacky grease, am-2768. We also encourage that the user powers the gearbox continuously for 30 minutes without grease to allow the gear teeth to wear in. While we do design with short run times in mind, this 'run in' period for smooth gearbox operation, is recommended. Once this is completed, thorough grease of the gear teeth periodically to ensure smooth operation.

Product Overview:
Single speed planetary gearbox, with the same mounting and output interface as a 2.5" CIM motor. Each planet gear has its own bearing to spin freely on the carrier plate pins.
A 2.5" CIM Motor may also be used as the motor input, but requires this pinion gear ( am-0556) and a CIM Spacer (am-0555).
Additional Stages:
Additional individual stages (am-2491) can be purchased to add to the overall reduction of this gearbox. Two stage (am-2546) and three stage (am-2547) assembled AM Planetary can also be purchased.

  • Weight: 0.63 pound
  • Outside dimension: 2.5 inches
  • Shaft diameter: 0.313 inch, with 2mm keyway
  • Materials: body is aluminum, shaft is 4140 steel
  • Reduction: 3.67:1
  • Two - #10-32 clearance holes (2), on a 2" bolt circle for attaching a CIM motor to the back
  • Mounting Holes: #10-32 tapped holes (2), on a 2" bolt circle to attach at output shaft
Motor Input:
  • 9015 motor fits on this gearbox, after the stock pinion gear is removed
  • 2.5" CIM Motor can be mounted, with a bored-out sun gear and a spacer
Included Hardware:
  • Two - 8mm id ball bearings, (19mm od, 22mm od) supporting output shaft
  • One - Steel planet and sun gears, 32 dp, 20 degree p.a.
  • Five - Planet gears (12 tooth)
  • One - 15 tooth sun gear, with 0.125 inch bore
  • One - 40 tooth ring gear
Performance Data:
(with the input being a 9015 Fisher-Price motor)
  • Input voltage: 12 volts
  • Stall Torque: 1.12 ft-lb.
  • Free speed: approximately 4,000 rpm
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.
Assembly Tip:
Install the aluminum plate to the face of the motor BEFORE pressing the pinion gear onto the motor shaft, so the assembly looks like this.

Average Customer Review: 4 of 5 Total Reviews: 5 Write your own review!

  0 of 0 people found the following review helpful:
March 14, 2018
Reviewer: Dean Dekovic from Zagreb, Croatia  
The mounting instructions aren't available for mounting this gearbox with the adapter to the CIM motor. Screws for CIM motor aren't included with CIM adapter for this gearbox.The hex ring gear is moving a little bit inside the housing.

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  0 of 1 people found the following review helpful:
Gives Lots of Options March 28, 2012
Reviewer: Stuart Nishimura from Honolulu, HI United States  
Converting a FP or AM motor with gear reduction to CIM mounting gives us a lot of options.  I used this in our shooter this year, prototyped with the new AM Worm drive and even used to test new transmission ideas.  Thanks AM!!!!!

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  0 of 0 people found the following review helpful:
March 21, 2012
Reviewer: Ronald Borden from Rochester, NY United States  

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  0 of 0 people found the following review helpful:
, February 29, 2012
Reviewer: Pat O'Cain from Kincardine, ON Canada  

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  0 of 0 people found the following review helpful:
February 6, 2012
Reviewer: David Banister from Pittsford, NY United States  

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