
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 6.7 ISB Oil Capacity Confusion: 12, 15, or 17 Quarts?
Feb 20, 2026 · Members with the Cummins 6.7 ISB engine on Freightliner chassis report confusion over oil capacity, as the manual often lists 12 quarts, but the dipstick reads low even after filling to that …
Cummins ISL9 engines....Good, Bad or Ugly? - iRV2
Jun 22, 2025 · The **Cummins ISL 425 HP** (often the ISL9 or ISL 8.9L, depending on year) is generally a **strong, reliable engine**, but like any heavy-duty diesel, it has some known issues …
Cummins ISB 6.7 question | iRV2 Forums
Sep 1, 2021 · In this case, I have the 6.7 Cummins engine, 340hp, Allison 2500 transmission. My 40' RV weighs in at 29500, and I towed a Jeep Wrangler for 7 years, now nearly 4 years towing a Jeep …
Fuel filters on XC chassis Cummins 5.9 | iRV2 Forums
Jan 7, 2017 · 2005 Damon Ultrasport 3465 300hp isb cummins 5 speed allison Freightliner xc chassi Thanks for the reply, the inline strainer isn't too hard to change if you have long arms and can do it …
6.7 Cummins lifter issues 2019 3500 - ramforum.com
Nov 1, 2013 · 18CrewDually Senior Member Joined Nov 17, 2019 Posts 2,421 Reaction score 3,411 Location U.S.- New Jersey Ram Year 2018 Engine Cummins 6.7 H.O.
Oil quantity in cummins 8.9L 450 Hp 1250 Lb. torque - iRV2
Mar 3, 2024 · There are probably several ways to find the oil quantity in QuickServe but if you go to: Troubleshooting and repair manual > Specifications > Lubricating Oil System, you will find the …
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 …
Finding Replacement Exhaust Manifold for 2008 Cummins 5.9 with EGR
Feb 23, 2026 · Members are troubleshooting a significant exhaust leak on a 2008 Holiday Rambler with a 5.9 Cummins engine, which is unusual for that model year. The original poster is seeking …
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 …