> For the complete documentation index, see [llms.txt](https://docs.revrobotics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.revrobotics.com/ion-build/build-guides/maxplanetary-gearbox-assembly.md).

# MAXPlanetary Gearbox Assembly

The REV Robotics MAXPlanetary comes with the gearbox deconstructed, allowing for the user to modify the total reduction needed for the application. Each cartridge is pre-assembled and lubricated, allowing for easier customization. Below are links to the steps for assembling a two-stage gearbox for specific motors.

## Build Guide Shortcuts by Motor Type:

* [NEO Vortex with Vortex MAXPlanetary Input Kit - Assembly Instructions](/ion-build/build-guides/maxplanetary-gearbox-assembly/neo-vortex.md)
* [NEO Brushless V1.1 and Other 500-sized motors - Assembly Instructions](/ion-build/build-guides/maxplanetary-gearbox-assembly/neo-and-other-500-motors.md)
* [NEO 550 and 550-sized motors - Assembly Instructions](/ion-build/build-guides/maxplanetary-gearbox-assembly/neo-550-and-550-sized-motors.md)
* [775 Sized Motors - Assembly Instructions](/ion-build/build-guides/maxplanetary-gearbox-assembly/775-sized-motors.md)

{% hint style="success" %}
If adding a Brake Cartridge to your gearbox, see our [MAXPlanetary 1:1 Brake Cartridge Tips](/ion-build/motion/maxplanetary-system/assembly-tips-and-tricks.md#maxplanetary-brake-cartridge-tips) section for more information about assembly!
{% endhint %}