Cummins engine site lists for the ISB 6.7L No load governed RPM at 2800 . Max exhaust brake HP as 182 at 3200 RPM NOTE: Exceeding 3200 rpm could ( should ) result in a transmission up shift at an inopportune time you want to keep RPM below that by using the service brakes . Still looking for oil pressure , but I'm sure you'd be seeing a lot of warning lights and engine shut down if 20 psi was ...
Members are troubleshooting a 2002 Bounder 39R with a Cummins ISB engine that cranks but won’t start, showing a low voltage code on the fuel pump relay. The original poster has already replaced the under-dash ignition relays and confirmed that the chassis batteries are new and fully charged. Several experienced RVers suggest checking battery voltage under load, as even new batteries can be ...
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 worth factoring in—especially at higher mileages.
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 purchased RAM 2500 Crew Cab 6.7 L Cummins Diesel. Delivered October 2024. I have put about 1600 miles of gentle break...
Transfer Case Seal Failure - 2024 RAM 2500 6.7 L Cummins Diesel
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 for the correct motor oil that meets the proper specifications. Shell Rotella 10w-30 T6 lists every spec except...