How to Make Your Super Duty Last Over 400k Miles Without Any Major Repairs

I’m breaking down the Ford Super Duty maintenance habits that can help an F-250 or F-350 have its best shot at reaching 400,000 miles without an engine or transmission replacement. 📘 FREE Ford Longevity Checklist 👉 https://fordscope.com After working on Fords for more than 20 years, I’ve seen how two trucks with the same mileage can be in completely different mechanical condition. Towing, hauling, extended idling, engine hours, and severe duty use all change what your truck actually needs. In this video, I cover the maintenance areas Super Duty owners often overlook, including the 6.7 Power Stroke fuel system, water separator, severe duty oil intervals, DPF regeneration, U joints, wheel bearings, cooling systems, spark plugs, turbo cooldown, and the major service differences between the 6R140 and 10R140 transmissions. The goal isn’t to avoid every repair forever. It’s to catch the cheap, preventable problems before they turn into expensive engine, transmission, fuel system, or emissions repairs. If you own a Ford Super Duty and plan to keep it for the long haul, this is the maintenance knowledge worth knowing. 📖 MODEL GUIDES — best and worst years, every engine's weak points, maintenance, towing, and an inspection checklist that works right on your phone. 🛻 F-150 👉 https://fordscope.com/f150 🏎️ Mustang 👉 https://fordscope.com/mustang 🚚 Super Duty 👉 https://fordscope.com/superduty 📙 Ford Longevity Blueprint (Full System) 👉 https://fordscope.com/blueprint If you want everything organized in one practical reference: maintenance priorities, common failure patterns, and a long-term ownership strategy, the Ford Longevity Blueprint brings everything from the channel together in one place. 🔔 Subscribe for honest mechanic advice, maintenance tips, and DIY repairs that help your Ford last longer. ❓ Got a question? Leave it in the comments → RJ reads every one. - 🔧 OBDLink MX+ (works with FORScan) → https://amzn.to/4vHJ8jo 🔋 NOCO Boost GB70 Jump Starter (V8, EcoBoost)