2021 Keystone Montana 3790RD (Rear Den) Luxury 5th Wheel.
for sale in Butte, MT 59701









2021 Keystone Montana 3790RD (Rear Den) Luxury 5th Wheel.
The Keystone Montana 3790RD is a luxurious fifth wheel trailer designed for ultimate comfort and convenience. With a sleek exterior and spacious interior, this 2021 model is perfect for long trips or full-time living. The large living area features 5 slide-outs, creating a roomy and open atmosphere. The modern kitchen is fully equipped with high-end appliances and ample storage space. The master bedroom boasts a comfortable King-sized bed and plenty of closet space. The bathroom is elegantly designed with a large shower and stylish fixtures. This model also comes with a cozy raised den area, perfect for relaxing or entertaining guests.
Additional Features / Options:
-4 Season Living Package, which includes insulated floor with tank heaters
-Residential Living Package with Bourbon Décor
-50” HD telescoping TV (front room) 32” HD TV (bedroom)
-LED lighting with motion sensors through interior
-48” LED fireplace
-Theater seating electric recliners with heated and massage
-Central vacuum system
-Full size 4 door refrigerator
-2 power roof vents with rain sensors
-12 gallon hot water heater
-2 roof mounted AC Units
-King memory foam mattress with memory foam mattress topper
-Rear storage with pull out tray
-Front pass through storage
-6 point hydraulic auto leveling stabilizing system
-Clear (no lien) notarized title
$58.000 OBO
The Keystone Montana 3790RD is a luxurious fifth wheel trailer designed for ultimate comfort and convenience. With a sleek exterior and spacious interior, this 2021 model is perfect for long trips or full-time living. The large living area features 5 slide-outs, creating a roomy and open atmosphere. The modern kitchen is fully equipped with high-end appliances and ample storage space. The master bedroom boasts a comfortable King-sized bed and plenty of closet space. The bathroom is elegantly designed with a large shower and stylish fixtures. This model also comes with a cozy raised den area, perfect for relaxing or entertaining guests.
Additional Features / Options:
-4 Season Living Package, which includes insulated floor with tank heaters
-Residential Living Package with Bourbon Décor
-50” HD telescoping TV (front room) 32” HD TV (bedroom)
-LED lighting with motion sensors through interior
-48” LED fireplace
-Theater seating electric recliners with heated and massage
-Central vacuum system
-Full size 4 door refrigerator
-2 power roof vents with rain sensors
-12 gallon hot water heater
-2 roof mounted AC Units
-King memory foam mattress with memory foam mattress topper
-Rear storage with pull out tray
-Front pass through storage
-6 point hydraulic auto leveling stabilizing system
-Clear (no lien) notarized title
$58.000 OBO
PriceCall For Price $$
Year
2021
RV Type
List Date: 07/21/2025
ManufacturerMontana
Model3790 RD (Rear Den)
Length40
Slideouts5
Sleeps6
ConditionPre-Owned
Stock #3790 RD
Location
Butte, MT 59701