How long will a Cummins 6.7 last? A real-world look
If you're wondering how long will a Cummins six. 7 last , the short response is that many owners expect to see at least 300, 000 to 400, 000 miles before any major internal work is required. But honestly, if you hold out in any diesel forum or talk to guys which haul for a living, you'll listen to stories of these things hitting five hundred, 000 and even a million miles along with the original wedge and rotating set up. It's a beast of an engine, but like anything else with a lot of relocating parts, that longevity isn't just presented with to you on a silver platter—you've have got to earn it. ...