
Best and worst Cummins ISL 400 engine years - iRV2
Sep 5, 2022 · I’m looking to buy an ISL 8.8 or 8.9 engine with the common rail fuel system and without the DEF system. What are the best and worst years to buy? Also, any...
Cummins Oil | RamForum.com | Dodge Ram Forum for Truck Owners …
Sep 15, 2025 · I have a 2025 RAM 2500 with the 6.7L Cummins engine and I want to make sure I use the right motor oil and I've always used Shell Rotella. I looked in the owner's manual and searched …
Successfully did a DPF regen on 2022 with 6.7 diesel. Wahoo!
Oct 30, 2024 · Hi Everyone, I got a lot of help from this forum - thank you all - so I've created an account and am posting this to give back. My vehicle is a 2022 RAM 2500 with the 6.7 Cummins Diesel. Like …
2022 Cummins Regen Issues - RAM FORUM
Jun 28, 2023 · I have a new '22 Ram with the 6.7 Cummins with 13K miles on it. It has been in and out of the shop for the last few weeks for a check engine light. The code refers to regen issues. The …
Oil Type for 6.7L Cummins T Diesel - RAM FORUM
May 30, 2019 · The 2019 CGI Cummins doesn't call for 15W40 at all. I assume this is because of the hydraulic roller lifters, instead of the old reliable flat tappets. I plan to run either Rotella T6 5W40 or …
Cummins crank but no start - RAM FORUM
Mar 13, 2024 · I bought my 2011 Ram 6.7 truck last October and it ran fine, except no cruise control. Within two weeks I put a new stereo and Viper alarm in it. In the next two weeks it started …
Best Motor Oil For the 3500 High Output Cummins 6.7
Aug 29, 2020 · Since my purchase of a new 2019 Ram 3500 High Output Cummins 6.7 I have yielded to the Dealership's Service Dept's advise that Shell Rotella 10w30 be used...
6.7 Cummins lifter issues 2019 3500 - ramforum.com
Nov 1, 2013 · 18CrewDually Senior Member Joined Nov 17, 2019 Posts 2,371 Reaction score 3,271 Location U.S.- New Jersey Ram Year 2018 Engine Cummins 6.7 H.O.
The new Cummins oil requirements - RAM FORUM
Nov 9, 2014 · So I had a Gen4 cummins. Now I have a Gen5 6.7L cummins in my new 2500. So I see that the recommended oil is now either 10w-30, or 5w-40. The thing is I have a lot of the rotella 15w …
New Cummins oil change question - ramforum.com
Dec 1, 2020 · Just bought a 2024 2500 with the 6.7l Cummins. It’s my first diesel. It has 4000 miles on it, question is what are your thoughts on what oil to use, Manual says 10w-30 rotella above 0* ambient …