2021 Keystone Montana 3931FB

Discover luxury on the road with the 2021 Keystone Montana 3931FB

Step into the ultimate full-time RV experience with this meticulously engineered 41-foot fifth wheel that blends top-tier comfort, smart design and road-ready durability. Inside, you’ll find a spacious living area with three slide-outs that expand your living space into a home-like environment. The gourmet kitchen features a large island, full-size refrigerator, oven/stove and plenty of prep space—perfect for entertaining or relaxed evenings at the campground.

The master suite gives you a king-size bed, ample wardrobe space, and an indulgent front bath with double vanity sinks, a glass-enclosed shower, and premium finishes. With a second half-bath plus generous storage, you’ll enjoy convenience and privacy no matter where you roam.

Built on a strong foundation with a 16,500-lb GVWR, this Montana is crafted for long-haul travels and seasonal adventures alike. With 66 gallons of fresh water capacity and 88 gallons each of grey/black tank capacity, you’re equipped for extended stays. The full exterior features two power awnings, making it easy to create an outdoor retreat right at your campsite.

Whether you’re planning weekend getaways or full-time living, this fifth wheel stands out with upscale touches, intelligent layout, and the trusted construction Keystone is known for. Embrace the world in comfort—your home-on-wheels awaits.

Highlights at a glance:

• 41′+ of luxury living space with 3 slide-outs

• Gourmet island kitchen with full-size appliances

• Fully loaded

• UPGRADED King-size bed in the master suite + premium front bath

• 3 ACs

• Spacious holding tanks for extended stays

• Two power awnings for outdoor lounge space

• Built for serious travel with 16,500 lb GVWR

Reach out today to learn more or schedule a walkthrough—this 2021 Keystone Montana 3931FB won’t wait long!

Key Specifications

• Length: 41 ft 4 in

• Width: 8 ft 

• Exterior Height: ~13.42 ft 

• Dry Weight (Base Weight): 13,542 lbs

• GVWR: 16,500 lbs

• Hitch Weight: 2,530 lbs

• Fresh Water Holding Tank: 66 gal

• Gray Water / Black Water: 88 gal each 

• Number of Slide-Outs: 3 

• Sleeps: Up to 4