The Winnebago ARKA Overland Adventure Truck was engineered for roads rarely traveled and places not yet defined. The ARKA is built on a lifted RAM 5500 crew cab chassis with a Cummins 6.7L turbo diesel platform with 800 lb. ft. of torque and 15,000 lbs. of towing capacity. Optimized approach, breakover, and departure angles, along with the absence of underbody components that reduce clearance, allow you to take on rugged terrain with confidence. Its structural integrity is designed to handle bending, water fording, and vibration, giving you the capability to turn off-road into off the map. Each component, from the roof and sidewalls to the flooring and cabinetry, has been designed for exceptional durability, thermal efficiency, and long-term performance.
One-Piece Injection Molded Fiberglass Roof
One of the most distinctive aspects of the ARKA is its one-piece injection molded fiberglass roof, developed in partnership with the team that manufactures Chris-Craft boats. The roof is manufactured by injecting fiberglass, insulation, and resin into a precision mold, creating a single-piece shell that offers exceptional strength. This monocoque-style construction distributes loads across the entire roof structure while eliminating seams that can become potential leak points later. By limiting the design to just three roof penetrations, the skylight, technology tower, and powered bathroom vent, Winnebago minimizes potential leak points while maintaining essential functionality. With an impressive R-15 insulation value and reinforced branch guards, the ARKA’s roof is engineered to perform in demanding environments and all four seasons.
Sidewall Construction
The one-piece roof is mounted onto the sidewalls of the ARKA using anchor points and roof sealing plates. The sidewalls are 2-inches thick and insulated, designed to provide greater strength and thermal efficiency. Much like the construction of a premium cooler, the thick wall assembly helps maintain comfortable interior temperatures in both hot and cold environments. To further improve thermal performance, the aluminum structural framework is positioned along the exterior of the sidewalls to minimize thermal transfer into the living area. The sidewall insulation has an R-12 insulation value and when combined with the durable Raptor Guard Tough Paint finish that protects against scratches, chips, and the demands of off-road travel, the ARKA’s sidewalls are built for lasting performance.
Heated Flooring
The flooring in the ARKA features an independently controlled heated floor zone powered by the Timberline 2.0 XT hydronic heating system. This is one of four heating zones throughout the ARKA. The floor is constructed with durable vinyl flooring, an Azdel composite layer, and high-density foam insulation, while hydronic glycol lines are housed within steel channels and topped with steel plates to provide structural stability and evenly distribute heat. With an R-15 insulation value and a rear gear zone capable of supporting up to 1,000 lbs. of cargo, the ARKA’s floor will withstand demanding adventures without sacrificing comfort.
High Performance Insulation
Designed for all-season adventure, the Winnebago ARKA utilizes a high performance insulation system perfect for temperatures from -10 degrees Fahrenheit to 120 degrees Fahrenheit. Each ARKA is built to a Grade I (Class 1) standard, ensuring insulation fills every cavity with minimal gaps or compression to maximize thermal performance. In addition to this insulation, the composite walls, insulated roof, and heated flooring reduces heat transfer, improves energy efficiency, and helps create a comfortable interior environment whether traveling through winter conditions or the summer heat.
Durable All-Aluminum Cabinetry
Built to withstand years of rugged travel, the Winnebago ARKA features all-aluminum cabinetry that delivers exceptional strength, durability, and long-term reliability. Unlike traditional wood cabinetry, aluminum is naturally resistant to moisture, warping, and the wear associated with demanding outdoor environments. Each cabinet is equipped with compression latches to help keep doors securely closed while traveling over uneven terrain, while soft-close drawer glides provide smooth, quiet operation and a refined residential feel.
Every detail of the Winnebago ARKA reflects a commitment to thoughtful engineering and uncompromising build quality. From its structural design and premium insulation to its durable finishes and expedition-ready components, the ARKA is built to provide confidence in even the most demanding environments. Designed for those who seek destinations beyond the ordinary, the ARKA offers the strength, capability, and craftsmanship to help you establish your own “somewhere.”
Winnebago ARKA Overland Adventure Truck Inventory
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