2021 Keystone Montana 3121RL

2021 Towable RV Fifth Wheel 3121RL

Meet the 2021 Towable RV Fifth Wheel 3121RL, a towable, family-friendly option built for comfortable weekends and longer stays. With three slideouts and room for up to six sleeps, this 2021 model is designed to feel spacious once you’re parked—while still keeping towing practicality in mind.

Space, Comfort, and Climate Control

Inside, you’ll find features that support everyday living, including a dinette and theater seating, plus a hide-a-bed for flexible sleeping arrangements. Climate comfort is supported by two air conditioners—including Coleman Mach* power saver 15,000 BTU Whisper Quiet systems for both the bedroom and living room.

Key Features and Living Amenities

• Length: 35 feet
• Width: 8 feet 0 inches
• Height: 13 feet 4 inches
• Slideouts: 3
• Water capacity (fresh): 66 gallons
• Water capacity (black/grey): 49 gallons / 88 gallons

Kitchen, Bath, and Entertainment

This fifth wheel includes a full set of everyday essentials: a microwave, oven, refrigerator, kitchen sink, and pantry. For convenience and comfort, you’ll also find a shower, toilet, and vanity. Entertainment options include a TV and exterior speakers for enjoying the outdoors.

Outdoor, Convenience, and Safety Touches

Enjoy easier setup and added confidence on the road with an awning, ladder, and hitch system. Visibility is enhanced with side view cameras, and comfort upgrades include LED lights, ceiling fan, and central vacuum. Additional convenience features include a black tank flush and skylight. For power and efficiency planning, this model offers 50 amp service and solar prep.

Weight and Towing Readiness

Built on a two-axle setup, the dry weight is 11,999 pounds with a payload capacity of 4,351 pounds. The gross vehicle weight is listed at 16,350 pounds, with a hitch weight of 2,350 pounds.

Stock #123456 is available now. Contact the dealer or schedule a viewing to see the 2021 Towable RV Fifth Wheel 3121RL in person and confirm details that matter to your next trip.