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2026 KEYSTONE MONTANA 3915TB
Rv TypeFifth Wheel
Length43 ft
Fuel Type-
Mileage-
Description
Tiara RV Sales is a family-owned dealership dedicated to offering you quality RVs at values you can trust — with low overhead from being close to manufacturing, we’re able to pass savings on to you. We strive for friendly, no-pressure service to make your RV buying process simple, straightforward, and affordable.
2026 Keystone Montana 3915TB — Dual-Suite Luxury Fifth Wheel for Families & Long Trips
The 2026 Montana 3915TB delivers a full-featured, dual-suite fifth wheel experience with a well-thought-out mid-kitchen/mid-living layout — ideal for families, extended stays, or hosting guests. Spanning 43 ft 0 in in length and 13 ft 4 in in exterior height, this unit rides on a heavy-duty 12" I-beam chassis with Z-frame technology, MORryde suspension, and a fully walkable TPO roof — built for long-term use and durability. On the exterior you’ll find dual-layer lauan fiberglass sidewalls, frameless tinted windows, hydraulic slideouts, premium tires with TPMS prep, large pass-through storage, and dual 30 lb propane tanks.Inside, the 3915TB features two private sleeping areas: a front master suite with king bed (and washer/dryer prep), and a rear suite with queen bed plus a loft area, offering flexible sleep options. The central kitchen and living area includes an 18 cu. ft. residential refrigerator with ice maker, a 3-burner cooktop and oven, a deep stainless-steel sink, and ample solid-surface counter space. Living comforts include vinyl flooring, cozy theater seating or hide-a-bed sofa, a 50" Smart TV, central vacuum, and two full bathrooms. Comfort systems include air conditioning, a 35,000 BTU furnace, and generous holding tank capacities: 70 gallons fresh water, 137 gallons gray water, and 98 gallons black water.Whether you’re planning cross-country adventures, long-term stays, or trips with multiple family members or friends — the 3915TB is built to feel like home on the road: spacious, versatile, and robust.
Length: 43 ft 0 in
Dry Weight: 15,222 lbs
Fresh Water Tank: 70 gallonsSleeping Capacity: Up to 6 people
Propane Tanks: 2 × 30 lb
2026 Keystone Montana 3915TB — Dual-Suite Luxury Fifth Wheel for Families & Long Trips
The 2026 Montana 3915TB delivers a full-featured, dual-suite fifth wheel experience with a well-thought-out mid-kitchen/mid-living layout — ideal for families, extended stays, or hosting guests. Spanning 43 ft 0 in in length and 13 ft 4 in in exterior height, this unit rides on a heavy-duty 12" I-beam chassis with Z-frame technology, MORryde suspension, and a fully walkable TPO roof — built for long-term use and durability. On the exterior you’ll find dual-layer lauan fiberglass sidewalls, frameless tinted windows, hydraulic slideouts, premium tires with TPMS prep, large pass-through storage, and dual 30 lb propane tanks.Inside, the 3915TB features two private sleeping areas: a front master suite with king bed (and washer/dryer prep), and a rear suite with queen bed plus a loft area, offering flexible sleep options. The central kitchen and living area includes an 18 cu. ft. residential refrigerator with ice maker, a 3-burner cooktop and oven, a deep stainless-steel sink, and ample solid-surface counter space. Living comforts include vinyl flooring, cozy theater seating or hide-a-bed sofa, a 50" Smart TV, central vacuum, and two full bathrooms. Comfort systems include air conditioning, a 35,000 BTU furnace, and generous holding tank capacities: 70 gallons fresh water, 137 gallons gray water, and 98 gallons black water.Whether you’re planning cross-country adventures, long-term stays, or trips with multiple family members or friends — the 3915TB is built to feel like home on the road: spacious, versatile, and robust.
Length: 43 ft 0 in
Dry Weight: 15,222 lbs
Fresh Water Tank: 70 gallonsSleeping Capacity: Up to 6 people
Propane Tanks: 2 × 30 lb
RV details
Type
Fifth Wheel
Condition
New
Length
43 ft
GVWR
1,522,200 lbs
Odometer
0 mi
Sleeping capacity
6
Exterior color
MYSTIC WHITE
Sleep options
4
Floor plan
MONTANA
Dealer stock ID
700101
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