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...

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 …

Nov 4, 2025 · Members are seeking ways to increase the power of a Cummins ISB 6.7 (300hp) engine for better hill performance while towing a stacker trailer, with a focus on remaining legal in California. …

Jun 23, 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 …

Jun 29, 2025 · Here is a troubleshooting guide I printed off from Cummins Quickserve. Starting on page 7 is a No Start guide. It does give guidance on what to check but the best option is to get fault codes.

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 …

A complete list of all fault codes for Cummins engines with CAPS fuel system. at your engine has a problem. Every sensor and circuit on your engine has a certain expect d reading and voltage signal. …

Jan 27, 2013 · Anybody have this engine in their motor home ? Good, bad indifferent? Only 3300 miles on it. Bank Repo on motor home.

Apr 9, 2025 · Jake brake denotes Cummins exhaust brake. Are you meaning the Cummins engine brake by any chance? Jake brake is a companies name, they build the original engine brakes and now …

Nov 21, 2019 · We have a 17 Ram 3500 with 6.7 Cummins with 800 ft/lbs of torque redline is 3000 RPMs when loaded with equipment trailer the pedal is to the medal, no difference with our MH with …