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The 2026 Keystone Montana High Country 381TB is a family-oriented fifth-wheel RV known for its two full bathrooms, two private bedroom suites, and lofted sleeping area. It features four slide-outs to maximize living space and comes equipped with a residential refrigerator.
Floor plan and sleeping capacity
Dual bedroom and bath: The layout includes a private bedroom and full bathroom in both the front and rear of the RV.
Lofted sleeping area: An additional loft provides extra sleeping space above the rear bedroom, bringing the total sleeping capacity to up to 10 people.
Private rear entry: The rear master bedroom has its own exterior entrance.
Main living area: The kitchen and living area are centrally located, and the kitchen includes an island and a hutch.
Dimensions and specifications
Length: 42’5”
Exterior Height: 13’ 4”
Dry Weight: 14,451 lbs
Fresh Water Capacity: 75 gals
Gray Water Capacity: 135 gals
Black Water Capacity: 98 gals
Key features
Exterior: Includes two power retractable awnings, a fully walkable roof, and a MaxTurn™ front cap with KeyShield™ automotive-grade paint.
Leveling system: Features Ground Control® four-point electric auto-leveling with hitch memory.
Suspension: Comes with MORryde CRE3000 suspension for a smoother ride.
Solar power: Equipped with SolarFlex™ solar power systems.
Interior: Has Thomas Payne Collection furniture, premium solid-surface kitchen countertops, and a Smart HDTV.
HVAC: Features a 35,000 BTU automatic heater and a 15,000 BTU automatic air conditioning unit.
Appliances: Includes a residential refrigerator and a 24-inch range.
Storage: The master bedroom includes multiple closets and under-bed storage.
| Stock # | 8750 |
| Location | Boutte |
| Year | 2026 |
| Make | Keystone |
| Model | Montana High Country |
| Trim | 381TB |
| Condition | NEW |
| Status | AVAILABLE |
| Vin | 4YDFHMU21TA740688 |
| General | |
|---|---|
| Exterior Color | WHITE |
| Class | FIFTH WHEEL |
| Length (FT) | 42' 5" |
| Total Gray Water Tank Capacity (GAL/L) | 135 GAL |
| Number Of Slideouts | 4 |
| Max Sleeping Count | 10 |
| Total Black Water Tank Capacity (GAL) | 98 GAL |
| Dry Weight (LBS) | 14451 LBS |
| Height (IN) | 13'4" |
| Sleeps | 6 and Above |
| Shop By Payment | $500 to $749 |
| Shop By Weight | Over 10000 |
| Floorplan | Bunkhouse, Front Bath, Front Bedroom, Rear Bath, Rear Bedroom, Two Bedrooms |
| Other Features | 2 or more AC's, King Bed, Two Full Baths, Washer / Dryer, Solar Prep, 50 Amp |
| Other Specifications | |
|---|---|
| Inventory Options | DECOR - HC MONTANA - ARLINGTON EXTERIOR DECOR - HC MONTANA - MYSTIC WHITE OZARK SHADOW EDITION HIGH COUNTRY RESIDENTIAL LIVING PKG HIGH COUNTRY FOUR SEASON LIVING PKG SOLAR FLEX PROTECT 2ND POWER AWNING AUTOMATIC LEVELING SYSTEM REFRIGERATOR - RESIDENTIAL - 18CF 3RD 15K A/C FREE STANDING DINETTE AND CHAIRS RVIA SEAL-GO CAMPING |
| Total Fresh Water Tank Capacity (GAL/L) | 75 GAL |
| Hot Deals |
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