2019 Keystone Montana 3791RD

2019 Keystone Montana 3791RD – Luxury Fifth Wheel! Rear Den • 5 Slides • Residential Feel
If you’re looking for a high-end fifth wheel with a true residential layout, this 2019 Montana 3791RD is one of the most desirable floorplans Keystone ever built. Huge rear den, massive storage, and full-time-ready construction. Perfect for traveling, snowbirding, or setting up as a home-away-from-home.

 Specs – 2019 Keystone Montana 3791RD
Length: 40' 9"

Dry Weight: ~13,400 lbs

GVWR: 16,800 lbs

Hitch Weight: ~2,800 lbs

Slides: 5

Fresh Water: 66 gal

Gray Water: 78 gal

Black Water: 39 gal

Water Heater: 12 gal (gas/electric)

Construction: Aluminum framing, high-gloss fiberglass exterior

Climate Package: Enclosed/heated underbelly for extended-season use

RVAZ Corral an RV Dealer in Mesa, AZ has been Family Owned since 2007 and provides a full service Repair center, accepts trades, provides financing options and Specializes in Consignments

? Interior Features
Rear Den with opposing slides

Two tri-fold sleeper sofas

Power theater seating

Large entertainment center with big-screen TV

Electric fireplace

Solid surface countertops

Residential-style kitchen with tons of storage

18 cu ft refrigerator 

3-burner stove + oven + microwave

Free-standing dinette

King-size master bed

Large front wardrobe + washer/dryer prep

Spacious bathroom with residential shower

High ceilings and premium lighting throughout

? Exterior Features
Huge rear basement storage (one of the biggest in the industry)

Power awning with LED lighting

6-point hydraulic auto-leveling

Aluminum wheels

Frameless windows

Rear ladder

Dual A/C units 

Pass-through storage

MORryde suspension components 

 Why This Montana 3791RD?
The rear-den layout is incredibly popular because it gives you a true living room, separate from the kitchen and bedroom — it feels like a real home. Montanas are known for their build quality, insulation, and long-term comfort.

If you want a fifth wheel that delivers space, luxury, and storage, this one checks every box.
RVAZ Corral in Mesa typically will have brands on hand such as Heartland Bighorn, Heartland Landmark, Vanleigh Beacon, Alliance Paradigm, Brinkley, Keystone Alpine, Grand Design Solitude, Reflection, Vanleigh Vilano, Forest River Riverstone, Cedar Creek, DRV Mobile Suites or Elite Suites, Redwood RV, Forest River Cardinal, Jayco Pinnacle 5th Wheels and more.