The 2026 Keystone Montana High Country 397FB is a 43-foot luxury fifth-wheel RV known for its spacious living areas and family-friendly accommodations, which include two full bathrooms and a front bunkhouse suite. This model emphasizes residential comfort, with features like solid surface countertops, a fireplace, and an 18-cubic-foot residential refrigerator. 

Key features

• Accommodations: A king-size bed in the rear master suite and a separate front bunkhouse with four beds, which can sleep up to ten people. The bunkhouse is also equipped with desks, making it a flexible space for remote work or studying.

• Bathrooms: The floor plan includes two full bathrooms. The rear master bath features dual sinks, while the bunkhouse has its own full bath.

• Kitchen and living area: The main living space features opposing slide-outs to create a wide-open feel. It includes a large kitchen island, a residential-size refrigerator, a 24-inch Furrion stove, and three separate pantries for storage.

• Climate control: The Four Season Living Package ensures all-weather capability, with a 35,000 BTU furnace, a quiet A/C system with a 16,500 BTU heat pump, and heated holding tanks.

• Electrical and technology: The RV is equipped with a SolarFlex solar power system, an exclusive KeyTV multisource signal controller, and an omnidirectional rooftop antenna with 4G LTE/WiFi prep.

• Exterior features: Two power awnings with LED lights, a rear towing hitch, and an extra-large pass-through storage compartment add to the outdoor convenience.

• Chassis and suspension: A smooth and stable ride is provided by the MORryde CRE3000 suspension and 7000 lb. Dexter Gladiator thick-wall axles. 

Dimensions and capacities

• Length: 43’

• Exterior height: 13’ 4”

• Dry weight: 14,695 

• Fresh water: 75 GALS

• Gray water: 135 GALS

• Black water: 96 GALS