New 2025 Keystone MONTANA 3915 TB

2025 Keystone Montana 3915TB – Luxury for the Long Haul
The 2025 Montana 3915TB is the ultimate fifth wheel for those who need maximum space, high-end finishes, and full-time living capability. With two full bedrooms, two full bathrooms, and expansive shared living areas, this floorplan is ideal for families, long-haul travelers, or RVers who regularly host guests.
From the open-concept living room to the dual private suites, every square inch is crafted for durability, comfort, and style.
Designed for Life on the Road - For more than two decades, Montana has defined luxury in the fifth wheel market. The 3915TB continues that tradition with:
  • Superior build quality and insulation for long-term use
  • High-grade finishes and thoughtfully designed living spaces
  • A rare dual-bathroom layout that redefines family-friendly RVing
  • Four-Season Confidence
This Montana is equipped to handle all climates with the Four-Season Living Package:
  • Heated and enclosed underbelly to protect water systems
  • 12V electric tank heaters for sub-zero performance
  • Dual high-efficiency A/Cs with heat pump for year-round comfort
  • Dual pane windows
SolarFlex 220 Power System - Stay energized off-grid with Keystone’s SolarFlex 220 package:
  • Factory-installed 220W solar panel
  • Integrated solar charge controller
  • Inverter prep for seamless expansion
Interior Features & Layout
  • Rear Living Room: Theater seating, hide-a-bed sofa, large smart TV, and electric fireplace
  • Center Kitchen: Solid surface countertops, stainless residential appliances, deep pantry, and premium cabinetry
  • Primary Bedroom: King-size bed, wardrobe slide, washer/dryer prep, and private access to a full bathroom
  • Second Bedroom: Perfect for kids or guests, with separate storage and direct access to the second full bathroom
  • Dual Full Bathrooms: Both bathrooms include full-size showers and vanities—ideal for full-timers and families
Road-Ready Exterior Features
  • Road Armor Pin Box & Suspension: Smooth, stable towing performance
  • Dual Pane Frameless Windows & Fiberglass Sidewalls: Sleek, modern, and highly durable
  • Rear Ladder & Backup Camera Prep: For added safety and convenience
  • 2" Rear Towing Hitch: Bring along a bike rack, cargo tray, or small trailer
Specifications & Packages
  • Shipping Weight: 15,222 lb
  • Carrying Capacity: 2,778 lb
  • Hitch Weight: 2,780 lb
  • Length: 43 ft 0 in
  • Height: 13 ft 4 in
  • Tire Size: 215/75R17.5H
  • Fresh Water Capacity: 70 gal
  • Gray Water Capacity: 137 gal
  • Waste Water Capacity: 98 gal
  • Sleeping Capacity: 6
  • Propane Capacity: 60 lb (two 30 lb tanks)
  • Refrigerator Size: 18 cu. ft. 12V
Whether you’re embracing full-time RV life or simply need room for the whole family, the 2025 Keystone Montana 3915TB delivers the perfect balance of spacious living, premium technology, and all-season capability—so you can travel without compromise.
Retail Price
$199,995
Arrkann RV Price
$174,999
Stock # 17217
Location Carstairs
Year 2025
Make Keystone
Model MONTANA
Condition NEW
Status AVAILABLE
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Specifications

General
Class FIFTH WHEEL
Length (FT) 43' 0"
Hitch Weight (LBS) 2780 LBS
Dry Weight (LBS) 15222 LBS
Sub Class Bunk Beds
Shop By Length 40 and Over
Shop By Weight Over10000 LBS
Total Fresh Water Tank Capacity (GAL/L) 70
Total Gray Water Tank Capacity (GAL/L) 137
Total Black Water Tank Capacity (GAL/L) 98
Total Propane Tank Capacity (GAL/LBS) 60
Inventory Options DRY WEIGHT:15130 LBS
HITCH WEIGHT:2780 LBS
GREY WATER HOLDING TANK:137 GAL
BLACK WATER HOLDING TANK:98 GAL
FRESH WATER HOLDING TANK:70 GAL
Other Specifications
Exterior Color WHITE
Hot Deals
2025 Keystone Montana 3915TB – Luxury for the Long Haul
The 2025 Montana 3915TB is the ultimate fifth wheel for those who need maximum space, high-end finishes, and full-time living capability. With two full bedrooms, two full bathrooms, and expansive shared living areas, this floorplan is ideal for families, long-haul travelers, or RVers who regularly host guests.
From the open-concept living room to the dual private suites, every square inch is crafted for durability, comfort, and style.
Designed for Life on the Road - For more than two decades, Montana has defined luxury in the fifth wheel market. The 3915TB continues that tradition with:
  • Superior build quality and insulation for long-term use
  • High-grade finishes and thoughtfully designed living spaces
  • A rare dual-bathroom layout that redefines family-friendly RVing
  • Four-Season Confidence
This Montana is equipped to handle all climates with the Four-Season Living Package:
  • Heated and enclosed underbelly to protect water systems
  • 12V electric tank heaters for sub-zero performance
  • Dual high-efficiency A/Cs with heat pump for year-round comfort
  • Dual pane windows
SolarFlex 220 Power System - Stay energized off-grid with Keystone’s SolarFlex 220 package:
  • Factory-installed 220W solar panel
  • Integrated solar charge controller
  • Inverter prep for seamless expansion
Interior Features & Layout
  • Rear Living Room: Theater seating, hide-a-bed sofa, large smart TV, and electric fireplace
  • Center Kitchen: Solid surface countertops, stainless residential appliances, deep pantry, and premium cabinetry
  • Primary Bedroom: King-size bed, wardrobe slide, washer/dryer prep, and private access to a full bathroom
  • Second Bedroom: Perfect for kids or guests, with separate storage and direct access to the second full bathroom
  • Dual Full Bathrooms: Both bathrooms include full-size showers and vanities—ideal for full-timers and families
Road-Ready Exterior Features
  • Road Armor Pin Box & Suspension: Smooth, stable towing performance
  • Dual Pane Frameless Windows & Fiberglass Sidewalls: Sleek, modern, and highly durable
  • Rear Ladder & Backup Camera Prep: For added safety and convenience
  • 2" Rear Towing Hitch: Bring along a bike rack, cargo tray, or small trailer
Specifications & Packages
  • Shipping Weight: 15,222 lb
  • Carrying Capacity: 2,778 lb
  • Hitch Weight: 2,780 lb
  • Length: 43 ft 0 in
  • Height: 13 ft 4 in
  • Tire Size: 215/75R17.5H
  • Fresh Water Capacity: 70 gal
  • Gray Water Capacity: 137 gal
  • Waste Water Capacity: 98 gal
  • Sleeping Capacity: 6
  • Propane Capacity: 60 lb (two 30 lb tanks)
  • Refrigerator Size: 18 cu. ft. 12V
Whether you’re embracing full-time RV life or simply need room for the whole family, the 2025 Keystone Montana 3915TB delivers the perfect balance of spacious living, premium technology, and all-season capability—so you can travel without compromise.
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