5,000 Mile Review: 2026 Ram 3500 6.7L Cummins

We’ve put over 5,000 miles on our 2026 RAM 3500 with the 6.7L High Output Cummins and new ZF 8-speed transmission—and after living with it as a full-time RV tow vehicle, we’ve discovered some serious problems. So is the 2026 RAM 3500 a good truck for RVers? Our answer after 5,000+ miles might surprise you. In this video, we cover: • 2026 RAM 3500 High Output Cummins performance • New ZF 8-speed transmission • Real-world towing and fuel economy • Trailer brake problems • Parking sensor problems • Uconnect and software issues • RAM telematics and vehicle privacy • 8-foot bed vs. short bed for RVing • 2500 vs. 3500 suspension differences • 50-gallon fuel tank • Diesel maintenance and fuel filters • DEF usage and regeneration • Why we chose the Bighorn over the Laramie • Which options we'd recommend—and which we'd skip • What we'd change if ordering another truck • Whether we recommend the 2026 RAM 3500 for RV towing We're not sponsored by RAM or any of the dealerships mentioned in this video. This is our real-world experience after using the truck as an RV tow vehicle. #RAM3500 #Cummins #RamTrucks #RVing #FullTimeRV #RVLife #TruckReview #DieselTruck #TowVehicle #RVTravel Welcome to Cozy Living Machine, our daily vlog where we enjoy and explore full-time RV living, boondocking, off-grid adventures, solar power, and e-bike travel. Join Joel, Emma, and Colt as we embrace freedom, independence, and adventure on the open road in our Escape 24 travel trailer. Looking at *Escape Trailers?* Check them out and receive an exclusive discount here: _http://share.escapetrailer.com/6G7J2G_ Become a *channel member* for exclusive content, past live streams, and more: _https://www.youtube.com/channel/UCrDjxH0a1XOT5_WGXAk9F1A/join_ *Must-Have RV Gear* 20K Trailer Shocker Hitch | _https://amzn.to/3Ux7EHa_ Inverter RV A/C (Use code: COZYLIVINGMACH for 10% off): _https://www.turbro.com/products/greenland-13500-btu-inverter-rv-air-conditioner-with-heat-pump/COZYLIVINGMAC_ Redodo Batteries (Use code: Cozy_Living) | _https://www.redodopower.com/?ref=cozylivingmachine_ LiTime Batteries (Use code: CLM6) | _https://www.litime.com/?ref=CLM6_ Affordable Solar Panels | _https://www.santansolar.com/?ref=CozyLivingMachine_ Veloctric E-Bikes: _https://velotricebike.pxf.io/cozy_ RV-rated E-Bike Rack (Use code: Cozy15 for $15 off) : _https://forcomeecommerceinc.sjv.io/ra7Yz3_ Our top gear recommendations on Amazon: 🛒 _https://amzn.to/4ritJUC_ Our Entire Skoolie Solar Build | _https://lennythebus.wordpress.com/solar/_ *Connect with CLM* Donate to Emma's coffee habit: _https://www.paypal.com/paypalme/cozylivingmachine_ Current wish list: _https://www.amazon.com/registries/gl/guest-view/3QPQOWFU10OWF_ Our video equipment: _https://amzn.to/47kaWA7_ Spotify Roadtrip Playlist: _https://open.spotify.com/playlist/6GWMLyM9ExUGSoMXVD453T?si=b819f4093e7446df_ Disclaimer: When you use our affiliate links, we may earn a small commission at no extra cost to you. We only recommend products we use, enjoy and trust. Thanks for supporting our channel! _____________________________________________________________________________________ We share: • RV living vlog - Our honest, daily lives and experiences on the road • RV & Travel Trailer Reviews – Escape Trailer insights and full rig tours • Boondocking Tips & Hacks – stay 100% off-grid anywhere • Solar Power & Lithium Battery Systems – energy independence for RVs and vans • E-Bike Adventures – fun and cheap mobility on the road • Practical RV Lifestyle Tips – space-saving, organization, and maintenance advice Whether you’re planning your first RV trip, dreaming of off-grid solar living, or looking for the best RV gear, e-bikes, and lithium batteries, our channel is packed with insights, tutorials, and reviews. Subscribe and hit the notification bell, and we'll see you on down the road! 00:00 - Introduction & 5,000-Mile Overview 00:50 - Exterior Walkaround & Front Design 02:21 - Big Horn Trim, Wheels & Tires 03:34 - Forge Blue Paint & Chrome Trim 05:04 - Keyless Entry, Auto-Fold Mirrors & Cab Style 06:24 - 8ft Long Bed, Toolbox & Solar Setup 07:33 - Bed Liner, 50-Gallon Tank & Lighting Mods 09:25 - Outlets, 4WD & Suspension vs. 2500 11:45 - Rear Cab Setup & Wheel Liners 14:08 - Interior, Shifter & 8.4-inch Screen Choice 16:29 - Reverse Camera & Display Quirks 17:40 - Telematics, Privacy & Parasitic Battery Draw 19:42 - Testing the Parking Sensor Issue 21:05 - Integrated Trailer Brake Module (ITBM) Glitch 23:16 - 6.7L Cummins Engine & Fuse Box Setup 25:32 - Maintenance Changes: Oil & Fuel Filter Access 27:16 - Glow Plugs, Fumoto Valve & SCR Exhaust Updates 28:40 - DEF Consumption & Towing Fuel Economy 30:31 - Dealership Warranty & Service Experience 34:44 - ZF 8-Speed Transmission Performance 35:25 - Ram vs. Ford & GM Heavy-Duty Comparison 37:52 - Final Verdict & Purchase Recommendations