Recent content by Sevey

Thanks for the inquiry. So, there are a number of references related to this issue and frankly I have found Cummins response lacking for clarification. We service the Cummins engines in both truck and marine applications. All this started when our field rep, after looking at the 2022 RAM 3500 HD...

OOPS, yes typo should have been 5w-40. Sorry. While there are a number of oils out there, Cummins has instructed us that they want the 8600 series Valvoline. Next time I'm at the plant or the rep is here, I'll get more clarification for you all as I've used Shell for years with no problems so...

Good evening, all, Some things that should be looked at and considered if you're the "proud" owner of one of these engines. As a servicing dealer, Cummins has upgraded the oil requirements for the engine to insist that Valvoline Super Blue 8600 series 10W-30 SYN Blend or preferably Full...