2026 RAM 3500 Big Horn Crew Cab 4x4 8 Box: The Ultimate Heavy-Duty Workhorse

When you are pulling a heavy trailer through the Cajon Pass or navigating the industrial corridors of Fontana, CA, you need more than just a pickup; you need a tool that refuses to quit. The 2026 RAM 3500 Big Horn Crew Cab 4x4 8 Box is engineered for those who view their vehicle as an essential partner in their daily operations. Whether you are hauling equipment to a job site in San Bernardino, CA or managing a large-scale project that requires the stability of a dual rear wheel setup, this truck provides the physical presence and mechanical fortitude to handle the Inland Empires most demanding tasks. This isn't just about getting from point A to point B; it is about having the confidence that your equipment can handle the weight of your ambitions without breaking a sweat.

Living and working in Southern California requires a vehicle that can transition from the open highway to tight staging areas. The Crew Cab configuration ensures that your entire team travels in comfort, while the 8-foot box offers the expansive cargo capacity necessary for professional-grade hauling. From the moment you climb into the cabin, you realize that this RAM 3500 was built to dominate the landscape, providing a commanding view of the road and a level of utility that few other vehicles can match. It is a truck designed for those who build our cities and keep our local economy moving forward.

Performance & Capability

At the heart of this 2026 RAM 3500 is the legendary Cummins High Output 6.7L I-6 diesel direct injection engine. This intercooled turbo diesel powerhouse is specifically tuned to deliver 430HP, providing the relentless torque required for heavy-duty applications. Whether you are climbing the grades toward the high desert or merging onto the busy freeways of West Covina, CA, the 8-Speed TorqueFlite HD Automatic Transmission ensures that power delivery is smooth, efficient, and always available when you need it most. The Four Wheel Drive system features a Part-time 4WD transfer case, allowing you to engage maximum traction only when the terrain demands it, while the Mechanical limited slip differential helps maintain grip on uneven surfaces.

The mechanical foundation of this truck is built for longevity and extreme duty. It features an Iron engine block and an Engine retarder system to assist with braking on long descents, preserving your service brakes during heavy hauls. The heavy-duty cooling system and Dual 730 Amp Maintenance Free Batteries ensure that the Cummins High Output 6.7L I-6 remains at optimal operating temperatures even during the peak of a Southern California summer. With a 3.42 Axle Ratio and a 6000# Front Axle w/Hub Ext, the chassis is tuned for stability. The suspension utilizes a Multi-link front suspension with a rigid axle and a Leaf spring rear suspension, a combination that provides the necessary support for massive payloads while maintaining a composed ride when the 8-foot box is empty. Every aspect of the powertrain, from the Lock-up transmission to the Selectable mode transmission settings, has been calibrated for professional-grade performance.

Technology & Connectivity

In todays fast-paced environment, staying connected is just as important as having the right hardware. The 2026 RAM 3500 Big Horn is equipped with the RADIO: UCONNECT 5 NAV W/12.0-INCH DISPLAY, providing a massive, high-resolution interface for all your essential functions. This 12 inch primary display features a Primary monitor touchscreen that is intuitive and responsive, serving as the nerve center for the vehicles cabin. With Integrated navigation system with voice activation, finding your way to a new job site in a developing area becomes a seamless experience. The Smart device integration via Apple CarPlay and Android Auto smart device wireless mirroring allows you to bring your favorite apps and contacts directly onto the screen without the clutter of cables.

Communication is handled safely and effectively through Handsfree Uconnect w/Bluetooth handsfree wireless device connectivity and Voice activated audio controls, ensuring your focus remains on the road. The cabin is outfitted with 9 USB ports, providing more than enough charging points for your entire crews devices. For those who appreciate high-quality audio during a long commute, the 10 speakers including Alpine speakers and a subwoofer deliver a rich, immersive sound experience. The Gauge cluster display size: 3.50 inches provides vital vehicle information at a glance, while the Exterior temperature display and Compass keep you informed of your surroundings. Whether you are utilizing the Wireless streaming for music or relying on the Connected Travel & Traffic Services for real-time updates, this RAM 3500 keeps you ahead of the curve.

Comfort & Interior

The interior of the Big Horn trim is designed to be a mobile office that doesn't compromise on comfort. Featuring Black Premium cloth front seat upholstery, the cabin is both durable and inviting. The Bucket front seats include an 8-way directional controls for the driver and Power 2-way driver lumbar adjust, allowing you to find the perfect position for long stints behind the wheel. On those chilly mornings, the Heated Seats and Wheel Group provides immediate warmth with Heated driver and front passenger seats and a Heated steering wheel. The Dual-zone front climate control and Automatic climate control ensure that both the driver and passengers remain comfortable regardless of the weather outside.

Practicality is woven into every corner of the cabin. The Full Length Upgraded Floor Console provides ample storage for tools and personal items, while the Folding Flat Load Floor Storage and 2nd Row In Floor Storage Bins offer clever ways to secure gear out of sight. The Rear 60/40 Folding Seat allows you to customize the interior space based on your needs, whether you are carrying extra passengers or sensitive equipment that needs to stay out of the elements. High-end touches like Piano black and chrome interior accents and a Leatherette steering wheel elevate the environment, making it a pleasant place to spend your workday. With 3 12V power outlets and 2 interior 120V AC power outlets, you have the ability to power laptops, tools, or mobile devices directly from the truck's electrical system.

Safety & Driver Assistance

Safety is paramount when operating a vehicle of this magnitude, and the 2026 RAM 3500 is packed with advanced features to protect you and your cargo. The Forward Collision Warning-Plus and Front Collision Mitigation systems act as an extra set of eyes, alerting you to potential hazards and even applying the brakes if necessary. For long highway stretches, the Adaptive cruise control with stop and go maintains a safe distance from the vehicle ahead, reducing driver fatigue during heavy traffic. The Surround View Camera System and ParkSense front and rear parking sensors are invaluable when maneuvering this long-wheelbase truck into tight spots, providing a comprehensive view of your surroundings.

Visibility and awareness are further enhanced by Blind Spot & Cross Path Detection, which is essential when changing lanes with a trailer in tow. The Trailer Reverse Guidance and CTR Stop Lamp w/Cargo View Camera make hitching up and monitoring your load easier than ever. The truck is also equipped with an Emergency Vehicle Alert System (EVAS) and a Rear Seat Reminder Alert to ensure the safety of all occupants. With a total of 6 airbags, including Curtain first and second-row overhead airbags, and a robust frame featuring side impact beams, the RAM 3500 is built to provide peace of mind. The Trailer brake controller and Trailer Tire Pressure Monitoring System ensure that your trailer is operating as safely as the truck itself, making every haul a more secure endeavor.

Exterior & Design

The 2026 RAM 3500 Big Horn makes a bold statement with its Bright White Clearcoat exterior and the aggressive Night Edition styling. This package replaces traditional chrome with Black Exterior Truck Badging, a Body Color Grille Surround, and Gloss Black Nostrils. The 17 inch Black Machined Aluminum DRW Wheels not only provide the necessary footprint for heavy hauling but also add a custom, high-end look to the profile. The Painted Front Bumper and Painted Rear Bumper complete the monochromatic theme, while the LED Headlights and LED front fog lights provide exceptional illumination for nighttime operations.

Functionality is integrated into the design with features like the MOPAR spray-in pickup bed liner and LED in-box lighting, which make the 8-foot box a more usable workspace. The MOPAR Deployable Bed Step provides easy access to the cargo area, and the Power folding door mirrors with Power extendable trailer mirrors ensure you always have a clear view of your trailer. The 5th Wheel/Gooseneck Towing Prep Group means this truck is ready to work from day one, featuring the necessary mounting points for the heaviest loads. With Cab clearance lights and Exterior mirror mounted clearance lights, this dually is easily visible to other drivers, emphasizing its status as a serious heavy-duty machine.

Key Highlights

The 2026 RAM 3500 Big Horn is a masterclass in capability and modern truck design, offering a suite of features that cater to the professional.

• Cummins High Output 6.7L I-6 Diesel - Massive torque for the toughest jobs.
• 12.0-Inch Uconnect 5 Navigation - High-tech interface with wireless smartphone integration.
• Dual Rear Wheels (DRW) - Maximum stability for heavy payloads and towing.
• Night Edition Package - Sleek blacked-out exterior accents and 17-inch black wheels.
• Heated Seats and Steering Wheel - Enhanced comfort for early morning starts.
• Adaptive Cruise Control - Intelligent speed management for long-distance driving.
• Surround View Camera - 360-degree visibility for easier maneuvering.
• 5th Wheel/Gooseneck Towing Prep - Factory-installed hardware for heavy trailers.
• MOPAR Spray-In Bedliner - Durable protection for the 8-foot cargo box.
• 9 USB Ports - Comprehensive connectivity for the entire crew.
• Alpine 10-Speaker Audio - Premium sound quality with a dedicated subwoofer.
• Remote Start System - Pre-condition the cabin from your home or office.
• ParkSense Front/Rear Sensors - Precision parking assistance for a large vehicle.
• 3.42 Axle Ratio - Optimized for a balance of pulling power and highway efficiency.
• 50 Gallon Fuel Tank - Extended range for long-haul productivity.

Visit Us

Experience the sheer power and sophistication of the 2026 RAM 3500 Big Horn Crew Cab 4x4 8 Box for yourself. At Fontana Chrysler Dodge Jeep Ram, we are proud to serve our neighbors from Riverside, CA and Rancho Cucamonga, CA with a dedicated team that understands the specific needs of heavy-duty truck buyers. Whether you are looking to upgrade your fleet or need a personal powerhouse for your weekend adventures, our staff is here to provide a professional and transparent experience.

We invite you to visit our showroom located at 16263 S Highland Ave, Fontana, CA 92336. You can explore our extensive inventory of New Vehicles or browse our selection of Used Vehicles to find the perfect fit for your lifestyle. If you are ready to take the next step, you can Apply For Financing online or Value Your Trade to see how much your current vehicle is worth. For any questions or to schedule a test drive, please Call us at 909-675-1186. We look forward to helping you get behind the wheel of this incredible RAM 3500. For those coming from the surrounding areas, you can easily Get Directions to Fontana Chrysler Dodge Jeep Ram and see why so many drivers trust us for their automotive needs.

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