Cartridge Details
Last updated
Last updated
Nominal gear ratios are used to reference the product name for ease of use for the following chart. For actual gear ratios please reference the .
When building your gearbox make sure the highest gear reduction is closest to the motor. Asterisked cells are omitted as they have a lower gear reduction closer to the motor.
Nominal gear ratios are used to reference the product name for ease of use for the following chart. For actual gear ratios please reference the .
Part Number
Product Name
Nominal Gear Ratio
Actual Gear Ratio
REV-41-1601
UltraPlanetary Cartridge 3:1
3:1
84:29 (2.89:1)
REV-41-1602
UltraPlanetary Cartridge 4:1
4:1
76:21 (3.61:1)
REV-41-1603
UltraPlanetary Cartridge 5:1
5:1
68:13 (5.23:1)
