Cat Engine Regenerating Every 120 Miles, Engine Rebuilds & Oil Analysis Tips | Kevin Rutherford

Profit more. Feel better. Join the Tribe. First Mile — $5/mo. Sign up now: https://www.letstrucktribe.com/landin... This week, Kevin Rutherford and the team discuss what's happening in the shop, including multiple engine rebuilds, a Caterpillar engine that's regenerating every 120 miles after an ECM update, and the warning signs drivers should watch for before a check engine light ever appears. They also cover: •Detroit, Cummins, Caterpillar, and PACCAR engines currently in the shop •What frequent regens, regen duration, and DEF usage can tell you •How oil analysis can reveal hidden engine issues •When high-zinc (ZDDP) oil additives make sense—and when they don't •Practical shop tips, diesel diagnostics, and listener Q&A Whether you're an owner-operator, fleet owner, or diesel enthusiast, this episode is packed with real-world maintenance advice to help keep your truck on the road and out of the shop. #LetsTruck #KevinRutherford