Find Input Part OEM number or machinery model COMMAND Select model COMMAND Caterpillar parts: For full view, you need register - COMMAND - AT6 (2018) - CM4 (2012) - CM5 (2018) - MXY (2013) - MXZ (2018) - RCC (2015) - RCS (2015) online parts diagram catalog Search for genuine and aftemarket cat parts.