ASR is a tool that removes all of the complications and wasted time when updating your CUMMINS Inline 6 drivers manually. Recommended: (Download ASR) (recommended for Windows) users who are inexperienced in manually updating missing/out-of-date drivers. How to Automatically Update CUMMINS Drivers: The built-in driver supports the essential functions of CUMMINS Inline 6 hardware. CUMMINS Inline 6 drivers are typically built-in (included with your Windows® Operating System) and are also accessible through most Windows® updates.