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...

Feb 13, 2010 · 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 …

Jan 3, 2026 · I have a 2000 Damon Escaper w 8.3 Cummins. All pre-start electronics are on. Glow plug lights and fuel pump pressure are sequenced but it Just won’t crank. Has new batteries. Other post …

Jan 27, 2025 · Hello fellow RAM owners. Steelbob611 / Texas here. I am new to this forum and a first time RAM truck owner after a lifetime of being a GM truck and SUV owner. Made the switch and …

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 …

The primary Cummins recommendation is to use SAE 15W40 oil for normal operation at ambient temperatures above 5°F (-15°C). Consult the Owners Manual or a Cummins distributor for …

Feb 28, 2016 · The cummins rep told me you never know it's happening if everything is working right. While test driving a 425hp we pulled over to change drivers and a high exhaust warning came on.

Nov 1, 2013 · 18CrewDually Senior Member Joined Nov 17, 2019 Posts 2,412 Reaction score 3,380 Location U.S.- New Jersey Ram Year 2018 Engine Cummins 6.7 H.O.

Jan 9, 2026 · SA DE Cummins 8.3 isc Caps issue deanfitz Oct 2, 2025 Cummins Engines Replies: 1 Views: 553 Oct 2, 2025 jacwjames Cummins ISL9 oil pressure question

Jul 8, 2017 · Not to bring up an old problem with Cummins ISL 400 engines, but I didn't know it was an old problem until we recently (June 2017) experienced catastrophic engine failure and started …