12,975 lbs Dry Weight
Easy to tow with most mid-size trucks and SUVs.




AI Assistant
Ask me anything about this unit* AI-generated responses are for informational purposes only and may contain errors. Please verify all information with Sky River RV before making purchasing decisions.

AI Assistant
Ask me anything about this unit* AI-generated responses are for informational purposes only and may contain errors. Please verify all information with Sky River RV before making purchasing decisions.

AI Assistant
Ask me anything about this unit* AI-generated responses are for informational purposes only and may contain errors. Please verify all information with Sky River RV before making purchasing decisions.

Discover the 2021 Heartland Gravity GR 3510, a spacious fifth wheel designed for family adventures. With a generous length of 40.17 ft and a dry weight of 12,975 lbs, it comfortably sleeps up to 7 people across its well-designed layout. This model features two bathrooms, making it ideal for larger families or groups. Enjoy the convenience of power slideouts and a power awning, enhancing your outdoor living experience. The Heartland Gravity is known for its durability and comfort, perfect for those seeking unforgettable trips. Schedule your tour today!
Vehicle Identification & Details
10 specifications available
Dimensions, Weight, Construction & Exterior
19 specifications available
Beds, Layout, Living & Comfort
20 specifications available
Cooking, Dining & Appliances
8 specifications available
Comfort & Privacy
8 specifications available
Tanks & Plumbing
8 specifications available
Electrical, Entertainment & Safety
13 specifications available
Heating & Cooling
4 specifications available
* Vehicle specifications listed to the best of our knowledge. All specifications, features, and information are provided by the manufacturer. Sky River RV is not responsible for manufacturer defects, specification changes, or recalls. Buyers should verify all information directly with Sky River RV.
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Easy to tow with most mid-size trucks and SUVs.
Extended off-grid capability for longer trips.
Efficient waste management for extended stays.
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