Frame & Structure
Sturdy Construction
Lightweight 13,399 lbs construction for easy towing
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Complete Specifications
Complete Fifth Wheel Specifications
2026 Keystone RV Montana High Country Overview
Introducing the 2026 Keystone RV Montana High Country 373RD, the fifth-wheel that combines luxury and functionality for the ultimate adventure! Weighing in at a dry weight of 13,399 lbs and a cargo capacity of 3,381 lbs, this spacious RV measures 41.33 ft in length and features 4 slideouts, allowing it to comfortably sleep up to 6 people. With a powerful 15,000 BTU air conditioning system and a generous 19 ft awning, you'll enjoy comfort and convenience wherever you go. The Montana High Country stands out with its high-end features that competitors simply can't match. Don't miss your chance to own this exceptional RV—schedule your tour today!
Premium Features & Highlights
Spacious living area with 4 slideouts
High-efficiency 15,000 BTU air conditioning
Ample 19 ft power awning for outdoor enjoyment
Luxurious interior finishes for comfort
Generous cargo capacity of 3,381 lbs
Advanced towing capabilities with a 2,780 lbs hitch weight
Overview
Vehicle Identification & Details
9 specifications available
- Category
- Fifth Wheel
- Condition
- new
- Floorplan
- 373RD
- Make
- Keystone RV
- Manufacturer
- KEYSTONE
- Model
- Montana High Country
- Stock Number
- R-25-316
- VIN
- 4YDFHMU28TA740722
- Year
- 2026
Size & Weight
Dimensions, Weight, Construction & Exterior
16 specifications available
- Dry Weight
- 13,399 lbs
- Length
- 41.33 ft
- Exterior Height
- 13.33 ft
- Width
- 8 ft
- Awning Length Ft
- 19 ft
- Awnings Count
- 1
- Doors Count
- 1
- Has Auto Leveling
- No
- Has Power Awning
- No
- Has Power Slideouts
- No
- Has Screened Room
- No
- Has Sliding Glass Door
- No
Sleeping & Layout
Beds, Layout, Living & Comfort
19 specifications available
- Available Beds
- King
- Bunk Beds Count
- 0
- Convertible Beds Count
- 0
- Double Beds Count
- 0
- Bunkhouse
- No
- Full Beds Count
- 0
- King Beds Count
- 0
- Private Bedroom
- No
- Queen Beds Count
- 0
- Sleeps
- 6
- Has Interior Wood Finish
- No
- Has Master Bedroom Closet
- No
Kitchen & Dining
Cooking, Dining & Appliances
8 specifications available
- Outdoor Kitchen
- No
- Microwave
- Yes
- Has Overhead Fan
- No
- Kitchen Island
- No
- Oven Burners Count
- 3
- Refrigerator Size
- 18 cu ft
- Refrigerator Type
- GE Energy Star Residential with Ice Maker
- Washer Dryer Prep
- Yes
Bathroom & Facilities
Comfort & Privacy
4 specifications available
- Bathrooms Count
- 1
- Has Bathroom Vent
- Yes
- Has Medicine Cabinet
- Yes
- Shower Type
- Shower w/Seat
Water Systems
Tanks & Plumbing
9 specifications available
- Black Water Capacity
- 48 gal
- Black Water Tanks Count
- 1
- Fresh Water Capacity
- 75 gal
- Fresh Water Tanks Count
- 1
- Gray Water Capacity
- 87
- Gray Water Tanks Count
- 1
- Has Tankless Water Heater
- No
- Has Water Heater Bypass
- Yes
- Water Heater Type
- On Demand
Power & Electrical
Electrical, Entertainment & Safety
21 specifications available
- Generator Prep
- No
- Solar Ready
- No
- Ac Prewiring
- Yes
- Cable Prewiring
- Yes
- Electrical Service
- 50 amp
- Has Battery Converter
- Yes
- Heat Prewiring
- Yes
- Phone Prewiring
- No
- Satellite Prewiring
- Yes
- Tv Antenna Prewiring
- Yes
- Washer Dryer Prewiring
- Yes
- Has Bluetooth Audio
- No
Climate Control
Heating & Cooling
2 specifications available
- Ac Btu
- 15,000 BTU
- Heater Btu
- 35,000 BTU
* Vehicle specifications listed to the best of our knowledge. All specifications, features, and information are provided by the manufacturer. Pierce RV is not responsible for manufacturer defects, specification changes, or recalls. Buyers should verify all information directly with Pierce RV.
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Built to Last
Superior construction for years of adventures
Wall System
Durable Exterior
Fiberglass sidewalls that enhance insulation and durability
Electrical
Efficient Power System
15,000 BTU Air Conditioning for optimal climate control
HVAC
Comfortable Living
High-capacity HVAC system for year-round comfort
Plumbing
Generous Water Capacity
Large fresh water tank for extended trips
Chassis & Towing
Towing Stability
2780 lbs hitch weight for improved towing performance
Ready for Your Next Adventure?
Experience the freedom of the open road with your next RV adventure
Payment Calculator
Estimate your monthly payments
from $344/mo
Estimated payment
Schedule Tour
See this RV in person at our showroom
Showroom Hours
Mon-Fri: 9AM-6PM
3800 Pierce Parkway Billings, MT 59106
Trade-In Value
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Trade Evaluation
Dealer assessment
$101,545
est $710/mo