DESCRIPTION

The 2026 Keystone Montana 3900RK is an all-new luxury fifth-wheel featuring a bath-and-a-half, quad-slide layout anchored by an expansive, chef-inspired rear kitchen.

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1. Chef's Rear Kitchen (RK) Layout

• U-Shaped Workspace: Offers seamless solid-surface countertops and an oversized deep stainless steel sink with modular attachments.
• Panoramic Rear Window: Floods the kitchen with natural light and provides extensive views of your campsite.
• Heavy-Duty Storage: Features a floor-to-ceiling pantry with four adjustable shelves alongside 22 cabinet doors and drawers.
• Premium Appliances: Equipped with a 20-cubic-foot 12V double-door refrigerator and a Furrion 4-burner freestanding range.

2. Mid-Living & Entertainment Area

• L-Shaped Seating: Includes a furniture package featuring recliners and a built-in sleeper sofa to accommodate extra guests.
• JBL Theater System: Dictates the focal point with a 65-inch Smart TV paired with a JBL 2.1 soundbar and a 5,000 BTU decorative fireplace.
• Beverage & Coffee Bar: Positioned on the main level with dedicated glassware storage and an integrated wine refrigerator.
• Dual-Purpose Workstation: Features a versatile desk station integrated near 7-foot tall slideout windows for working remotely or dining.

3. Master Suite & Primary Bath

• Front Bathroom Haven: Spans the entire front cap, providing an expansive dual-sink vanity, a residential shower stall, and a private porcelain toilet.
• Walk-In Wardrobe: Positioned at the very front with deep clothing organization racks and a pre-installed rechargeable cordless vacuum cleaner.
• King Bed Slide Out: Houses a standard king-size bed flanked by bedside 110V/USB power hubs.
• Secondary Amenities: Includes a dedicated bedroom dresser, a second 5,000 BTU fireplace, and a secondary 40-inch 4K Smart TV.

4. Utility & Exterior Features

• Mudroom Half-Bath: Centrally located near the primary entrance door, featuring stackable washer and dryer prep to prevent tracking dirt into the master suite.
• Chassis Upgrades: Built on an upgraded 12-inch I-beam Z-frame with a Curt Helix Pin Box to decrease frame stress by 30%.
• Outdoor Entertaining: Equipped with dual power awnings, a pull-out exterior 50-inch TV, and massive pass-through baggage doors with sliding storage trays.