2026 KEYSTONE RV CO MONTANA HIGH COUNTRY 373RD
Description
****STK#: KE18988.****
ON SALE NOW!
Welcome to a new era of elevated travel experiences with the 2026 Keystone Montana High Country. Step into a realm where every detail is meticulously crafted to enhance your journey, from the breathtaking panoramas framed by expansive windows to the innovative features like SolarFlex™ solar power systems and our exclusive Winegard Air 360+ antenna with satellite pass through that make life on the road seamless. With slightly shorter models, floorplan options designed for families, and warranty coverage for full-time travelers, High Country is a favorite for RV enthusiasts throughout North America.
The new Montana High Country 373RD is another unique, very family friendly floor plan. This 4 slide-out 5th wheel trailer, is over 40' in overall length, and features a spacious and private rear den living area, a large side-isle a bathroom with 2 sinks, and a mid-coach kitchen with lots of counter space and storage. The 373RD can sleep up to 6 adults very comfortably with 2 Hide-A-Bed Sofas in the rear living area and a king size bed in the Master Suite.
Options include...
⦁ INTERIOR DECOR - ARLINGTON
⦁ EXTERIOR DECOR - MYSTIC WHITE
⦁ OZARK SHADOW EDITION
⦁ HIGH COUNTRY RESIDENTIAL LIVING PACKAGE
⦁ HIGH COUNTRY FOUR SEASON LIVING PACKAGE
⦁ AUTOMATIC LEVELING SYSTEM
⦁ 2" ACCESSORY HITCH
⦁ SOLAR FLEX PROTECT (220-watt solar)
⦁ REFRIGERATOR- RESIDENTIAL -18cu.ft.
⦁ FREE STANDING DINETTE AND CHAIRSSpecifications
Stock NumberKE18988
VIN4YDFHMU23TA740725
Year2026
RoadworthyYes
CategoryFifth Wheel
ManufacturerKEYSTONE RV CO
ModelMONTANA HIGH COUNTRY 373RD
LocationYuma, Arizona 85365
ConditionNew
Fresh Water Tank Capacity75 gal
Gray Water Tank Capacity87 gal
Black Water Tank Capacity48 gal
LPG Capacity14 gal
Sleeps6
Number of Slide Outs4
ProfileFull
Automatic LevelingYes
Awning Length19 ft
Electrical Service50 amp
Solar ChargingYes
Number of Solar Panels1
Solar PrepYes
Heated Enclosed UnderbellyYes
Backup Camera PrepYes
Washer / Dryer PrepYes
FireplaceYes
Front BedroomYes
Full BathYes
Mid KitchenYes
Rear EntertainmentYes
Rear LivingYes
Number of AxlesTandem
Gross Vehicle Weight16,780 lb
Cargo Carrying Capacity (CCC)3,381 lb
Hitch Weight2,780 lb
Suspension TypeLeaf Springs
Exterior Length43 ft 9 in
Exterior Width8 ft
Exterior Height13 ft 4 in
Sidewall ConstructionFiberglass
Walkable RoofYes
Exterior ColorWHITE
Interior Height7 ft
Interior Width7 ft 8 in
Interior ColorWEB
Air ConditioningYes
Number of A/Cs2
Additional A/C PrepYes
Furnace BTUs35000
Tankless Water HeaterYes
Shipping Length496 in
Shipping Width96 in
Shipping Height160 in
Shipping Weight13,399 lb
Stock NumberKE18988|
VIN4YDFHMU23TA740725|
Year2026|
RoadworthyYes|
CategoryFifth Wheel|
ManufacturerKEYSTONE RV CO|
ModelMONTANA HIGH COUNTRY 373RD|
LocationYuma, Arizona 85365|
ConditionNew|
Fresh Water Tank Capacity75 gal|
Gray Water Tank Capacity87 gal|
Black Water Tank Capacity48 gal|
LPG Capacity14 gal|
Sleeps6|
Number of Slide Outs4|
ProfileFull|
Automatic LevelingYes|
Awning Length19 ft|
Electrical Service50 amp|
Solar ChargingYes|
Number of Solar Panels1|
Solar PrepYes|
Heated Enclosed UnderbellyYes|
Backup Camera PrepYes|
Washer / Dryer PrepYes|
FireplaceYes|
Front BedroomYes|
Full BathYes|
Mid KitchenYes|
Rear EntertainmentYes|
Rear LivingYes|
Number of AxlesTandem|
Gross Vehicle Weight16,780 lb|
Cargo Carrying Capacity (CCC)3,381 lb|
Hitch Weight2,780 lb|
Suspension TypeLeaf Springs|
Exterior Length43 ft 9 in|
Exterior Width8 ft|
Exterior Height13 ft 4 in|
Sidewall ConstructionFiberglass|
Walkable RoofYes|
Exterior ColorWHITE|
Interior Height7 ft|
Interior Width7 ft 8 in|
Interior ColorWEB|
Air ConditioningYes|
Number of A/Cs2|
Additional A/C PrepYes|
Furnace BTUs35000|
Tankless Water HeaterYes|
Shipping Length496 in|
Shipping Width96 in|
Shipping Height160 in|
Shipping Weight13,399 lb|
