Those Cummins execs mentioned may not make the DEF systems but they can facilitate the fix with the EPA much quicker than we could. If they get enough emails:
"Enough is enough
Enough is enough. It seems we erred when we tried to “play ball” with Cummins and pull their executive contact information. We’re now restoring it. It’s time to email Cummins and the EPA. Here’s that list of Cummins executives, and a little background information on them.
Chief Executive Officer: Tom Linebarger. According to Securities and Exchange Commission (SEC) filings, this well-fed executive cashes in a $17,291,581check annually. That’s what? Over $47,000 every day, 7 days a week. Send him your fan mail at.
Vice Chairman: Tony Satterhwaite. Satterhwaite takes home $4,607,396 annually (2020 figures). His email is:
Cummins’ Chief Financial Officer is Mark Smith. Mark’s annual paycheck (in 2020) was $4,000,096. Email him at
Finally, there’s President and Chief Operating Officer, Jennifer Rumsey. She’s new to the company, so we don’t have an SEC filing to learn about how much she’s taking home. You can email her at Jennifer.firstname.lastname@example.org
" quote from RV TRAVEL article.
My 600ISX does not have DEF but I sympathies with those that do.