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 spec.
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...
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
Cummins Oil | RamForum.com | Dodge Ram Forum for Truck Owners & Enthusiasts
Members with extensive experience on the 5.9 Cummins engine generally agree that valve adjustments are rarely needed before 100,000 miles, especially if the engine is running smoothly and regular oil changes are performed. Several RVers shared that when they checked their valves at or beyond the recommended interval, clearances were typically still within spec, and adjustments were unnecessary ...