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  1. Ram cummins reliability | Cummins Diesel Forum

    Nov 18, 2024 · Hey all, I stumbled across a thread here regarding lifter failures on 2019+ rams. I was not aware of this when I bought this truck 2023 Ram on Nov '23. It's June '23 built truck and I'm coming …

  2. Grid heater death bolt | Cummins Diesel Forum

    Jun 30, 2023 · Hello. Been reading about this stupid bolt that breaks or what have you in the grid heater causing engine failure. What are the affected years? Having a hard time finding that specific …

  3. New 7.2L Cummins revealed | Cummins Diesel Forum

    Mar 5, 2025 · There are three new Cummins engines coming: B6.7 Octane (gasoline) Cummins B6.7H hydrogen Cummins B7.2 Diesel Cummins The new B6.7 Octane Cummins gasoline engine and the …

  4. 2025 cummins returns to cast iron block | Cummins Diesel Forum

    Feb 15, 2025 · So Cummins went back to the cast iron block for 2025. The research I could find indicates the CGI block was weak in the main bearing areas and was causing...

  5. 5.9 overheating nightmare | Cummins Diesel Forum

    Dec 21, 2024 · 2005 3500 dodge ram with a 5.9 cummins. Overheats. Temp fluctuates from 200 then down to 180 then back up , and eventually heats to 260. We have replaced, waterpump, head and …

  6. Factory fill 10w30 or 5w40 info sharing | Cummins Diesel Forum

    Mar 2, 2023 · This is not another oil thread about what to use but info I'm sharing after getting back my oil report from Blackstone. No one has been able to answer with proof from cummins or stelantis …

  7. Oil recommendations for the HD 6.7 Cummins

    Aug 3, 2025 · Time to change the oil, and I'm seeing 5W40, 15W40, conventional vs synthetic, lots of options. I change the oil in my Cumminz'z every 5000 miles whether they need it or not - I feel there's …

  8. What is the best year/generation of the 5.9? | Cummins Diesel Forum

    Sep 19, 2024 · What is your favorite year of the 5.9 Cummins? This is specifically related to the engine, not including the rest of the drivetrain or vehicle in which...

  9. Any major changes 25 to the 26 model year? | Cummins Diesel Forum

    Jul 16, 2025 · From what I've seen, the '25 Ram 2500 got a pretty significant refresh, and the '26 model is mostly a carryover with some tweaks. New Trims: The big news for 2026 is the addition of two new …

  10. Understanding the fuel shut off solenoid | Cummins Diesel Forum

    Nov 7, 2025 · Hey all, I am new here and looking for someone to help explain the fuel shut off solenoid. The previous owner of my 96 ram , 12 valve have an aftermarket airdog fuel filter and pump installed …