Product Overview:
Single speed planetary gearbox, with the same mounting and output interface as a 2.5" CIM motor.

Specifications:

• 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

Motor Input:

• 9015 Fisher-Price 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
• Two - #10-32 mounting holes, on a 1 inch radius from center

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

Assembly Tip:
Install the aluminum plate to the face of the Fisher-Price motor BEFORE pressing the pinion gear onto the motor shaft, so the assembly looks like this.

• CAD file (.stp)
• AM Planetary Assembly file (.pdf)