New 2026 Keystone RV Alpine 3712KB Fifth Wheel

Virtual Tour Available To Order Front Living
2026 3712KB Features and Options

2026 Keystone Alpine 3712KB

 

This 2026 Keystone Alpine 3712KB is a luxury front living fifth wheel with a private bedroom, rear master bath, kitchen island, two pantries, and an 18 cu. ft. residential refrigerator. It is a strong fit for buyers who want a high-end fifth wheel with residential space, strong storage, and a layout built for extended trips or seasonal stays.

 

The front living area is one of the biggest advantages of this Alpine floorplan. Opposing tri-fold sleeper sofas help open up the room and provide extra sleeping space when guests come along. The front entertainment center, fireplace, 50 inch TV, and Thomas Payne theater seating give the living room a true residential feel for movie nights, relaxing, or spending time inside during cooler weather.

 

The kitchen is built for buyers who want more storage and better daily function. The island gives you extra prep space, while the two kitchen pantries, including a walk-in pantry, provide room for food, small appliances, and longer-stay supplies. The 18 cu. ft. residential refrigerator adds the cold storage needed for extended camping or seasonal use.

 

The private bedroom includes a king bed slide, giving the owners a comfortable place to sleep with more room to move around. Underbed storage adds another useful place for bedding, clothing, or personal items.

 

The rear master bathroom is another major feature on this floorplan. It includes a walk-in shower, dual sink vanity, washer/dryer prep, and a spacious layout that feels more like a residential bathroom than a standard RV bath.

 

Key features include a front living area, opposing tri-fold sleeper sofas, Thomas Payne theater seating, front entertainment center, fireplace, 50 inch TV, kitchen island, two kitchen pantries, walk-in pantry, 18 cu. ft. residential refrigerator, private bedroom, king bed slide, underbed storage, rear master bath, walk-in shower, dual sink vanity, washer/dryer prep, 100 inch wide-body construction, Tru-Fit slide construction, Blade Pure airflow system, day/night roller shades, solid wood cabinet doors, crown molding, solid surface kitchen countertops, outside shower with hot and cold water, Lippert strut-assisted SolidSteps, and large tinted safety glass windows.

 

For buyers looking for a luxury fifth wheel with a true front living room, strong kitchen storage, and a large rear bath, this 2026 Keystone Alpine 3712KB gives you the space, comfort, and residential-style features needed for longer trips or extended stays.

 

This unit is available to order through Barton Lake RV and is not currently on the lot. Photos may be stock photos. Availability, colors, equipment, and final pricing may vary.

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The team here is awesome to work with. They went above and beyond to get us out the door even faster than usual. Service is great. Sales team is friendly and not pushy. Management and finance were great. This is a great place to purchase your RV from. - Christopher
Sale Price: $107,495
Barton Lake RV Sales
Location: Fremont, IN
Stock# SO-44
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RV ID: 3628955#
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2026 3712KB Specifications
Sleeps 6
Slides 5
Length 41 ft 5 in
Ext Width 8 ft 4 in
Ext Height 13 ft 4 in
Hitch Weight 3170 lbs
Dry Weight 14740 lbs
Cargo Capacity 3260 lbs
Fresh Water Capacity 75 gals
Grey Water Capacity 78 gals
Black Water Capacity 44 gals
Tire Size 215/75R17.5H
Furnace BTU 35000 btu
Available Beds King
Refrigerator Type Residential with Ice Maker
Refrigerator Size 18 cu ft
Convection Cooking Yes
Cooktop Burners 3
Number of Awnings 2
Axle Weight 7000 lbs
LP Tank Capacity 30 lbs
Water Heater Type On Demand
AC BTU 46500 btu
TV Info LR 50" LED TV, BR Smart HDTV
Awning Info (2) 14' Carefree with Adjustable Arms
Axle Count 2
Washer/Dryer Available Yes
Number of LP Tanks 2
Shower Type Walk-In Shower
Electrical Service 50 amp
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Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.