Jan 27, 2026 · The Cummins® Turbo Diesel engine is equipped with several features designed to assist cold weather starting and operation: The engine block heater is a resistance heater installed in the …

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...

Nov 8, 2018 · It wasn't till the 2019 Cummins (new CGI block) you started hearing about engine failures. What “engine failures” are you hearing/posting about? I have had my ‘24 Ram 2500 w/6.7 CTD six …

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 …

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.

Feb 13, 2023 · Looks great! I'm digging the vent tank, I use a Cummins Fleetguard crankcase ventilation system on mine, but my vintage engine doesn't have a crankcase filter. Shame that Cummins didn't …

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 …

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 …

Oct 22, 2019 · Cummins Engines Replies: 12 Views: 2K Jan 13, 2026 RP827 RP DE Cummins 8.3 isc Caps issue deanfitz Oct 2, 2025 Cummins Engines Replies: 1 Views: 810 Oct 2, 2025 jacwjames HO …

Aug 2, 2025 · From AI : Onan generator fault code 36 indicates the engine stopped without a shutdown command from the control panel. This often points to a fuel delivery issue, low oil pressure, or sensor …