Dimensions:

• Length: 41 feet 2 inches (12.6 meters)
• Width: 8 feet (2.4 meters)
• Height: 13 feet 4 inches (4.1 meters)
• Interior Height: 6 feet 10 inches (2.1 meters)

Weight and Capacities:

• Dry Weight: 13,085 pounds (5,930 kilograms)
• Payload Capacity: 2,715 pounds (1,232 kilograms)
• Hitch Weight: 2,695 pounds (1,222 kilograms)
• Gross Vehicle Weight Rating (GVWR): 15,800 pounds (7,167 kilograms)
• Fresh Water Capacity: 66 gallons (249.8 liters)
• Gray Water Capacity: 78 gallons (295.3 liters)
• Black Water Capacity: 44 gallons (166.6 liters)

Sleeping Capacity: The 2020 Keystone Alpine 3701FL can sleep up to 6 people comfortably.

Construction:

• Fiberglass exterior with high-gloss finish
• Welded aluminum-framed sidewalls, floor, and roof
• One-piece TPO roof with 12-year warranty

Interior Features:

• Front living area with opposing sofas, theater seating, and entertainment center
• Master bedroom with a king-sized bed and storage
• Tri-fold sleeper sofa
• LED HDTV with DVD/CD/MP3 entertainment system
• Electric fireplace
• Air conditioning and heating system with dual zone control

Kitchen:

• Residential-size stainless steel refrigerator
• Three-burner range with oven
• Microwave
• Kitchen island with double sink and high-rise faucet
• Solid surface countertops

Bathroom:

• Residential-size shower with seat
• Porcelain toilet
• Vanity sink with mirrored medicine cabinet

Exterior Features:

• Power awning with LED lighting
• Outdoor speakers
• Heated and enclosed underbelly
• Rear ladder
• Dual pane frameless windows

Additional Features:

• Hydraulic front landing gear
• Central vacuum system
• Washer/dryer prep
• Solar prep

Please note that these specifications are based on general information available for the 2020 Keystone Alpine 3701FL. It's always recommended to refer to the manufacturer's official documentation or contact a Keystone dealer for the most accurate and up-to-date information.