2020 Heartland Gravity Gr-3510 Specs
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Can Your Vehicle Tow This?
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Get Your Real Numbers
Tow rating is one limit — payload is what overloads first
The full calculator factors in:
Tongue weight vs payload
Water tanks (50 gal = 417 lbs)
Propane (40 lbs full)
Passengers in truck
Gear, bikes, coolers, tools
Cargo weight distribution
Your truck's payload limit carries tongue weight, passengers, and everything in the bed — that's the number that overloads first. The calculator checks both tow and payload with real gear weights.
Towing & Dimensions
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| GVWR | 17000 lbs | - | ||
| Dry Weight | 12975 lbs | - | ||
| Hitch Weight | 3300 lbs | - | - | - |
| Payload Capacity | 3977 lbs | - | ||
| Length | 463 in | - | ||
| Exterior Height | 159 in | - |
Specs
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GVWR
17000 lbs
Dry Weight
12975 lbs
Hitch Weight
3300 lbs
Payload Capacity
3977 lbs
Length
463 in
Exterior Height
159 in
Towing & Dimensions Best Sellers
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Electrical & Solar
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Shore Power | 30 Amps | - | ||
| Battery Type | 12V Lead-Acid | Top 5 | ||
| Solar Pre-Wired | Optional | - | ||
| Inverter | Optional | - |
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Shore Power
30 Amps
Battery Type
12V Lead-Acid
Solar Pre-Wired
Optional
Inverter
Optional
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Tank Capacities
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Fresh Water Holding Tanks | 1 | - | ||
| Number Of Gray Water Holding Tanks | 1 | - | ||
| Number Of Black Water Holding Tanks | 1 | - | ||
| Fresh Water Tank Capacity | 100 gal | - | - | |
| Gray Water Tank Capacity | 74 gal | - | - | - |
| Black Water Tank Capacity | 85 gal | - | - | |
| Number Of Propane Tanks | 2 | - | ||
| Propane Tank Capacity | 60 lbs | - |
Specs
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Number Of Fresh Water Holding Tanks
1
Number Of Gray Water Holding Tanks
1
Number Of Black Water Holding Tanks
1
Fresh Water Tank Capacity
100 gal
Gray Water Tank Capacity
74 gal
Black Water Tank Capacity
85 gal
Number Of Propane Tanks
2
Propane Tank Capacity
60 lbs
Tank Capacities Best Sellers
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Tires & Wheels
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Front Brake Type | Not Applicable | - | - | - |
| Rear Brake Type | Electric Drum | - | ||
| Rear Tire | 16 Inch Tires Full Spec | - | - | - |
| Rear Wheel Diameter | 16 | - | - | - |
| Spare Tire Location | Exterior Mounted | - | ||
| Wheels Composition | Aluminum | - | - | - |
Specs
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Front Brake Type
Not Applicable
Rear Brake Type
Electric Drum
Rear Tire
16 Inch Tires Full Spec
Rear Wheel Diameter
16
Spare Tire Location
Exterior Mounted
Wheels Composition
Aluminum
Tires & Wheels Best Sellers
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Heating & Cooling
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Air Conditioning Type | Automatic | - | ||
| Water Heater Tank Capacity | 8 g | - | ||
| Heater Type | Automatic | - | ||
| Water Heater Pump Power Mode | Electrical | - | - | - |
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Air Conditioning Type
Automatic
Water Heater Tank Capacity
8 g
Heater Type
Automatic
Water Heater Pump Power Mode
Electrical
Heating & Cooling Best Sellers
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Living Room / Bedroom(s)
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Full Size Master Bedroom Closet | Yes | - | - | - |
| Living Area Location | Center | - | - | - |
| Master Bedroom Door Style | Conventional Door | - | - | - |
| Master Bedroom Flooring Type | Carpet | - | - | - |
| Master Bedroom Location | Front | - | - | - |
| Master Bedroom Mirror Doors | Yes | - | - | - |
| Master Bedroom Shades / Curtains | Yes | - | - | - |
| Number Of Bunk Beds | 1 | - | - | - |
| Number Of Convertible / Sofa Beds | 1 | - | - | - |
| Number Of Queen Size Beds | 2 | - | ||
| Number Of Sofas | 3 | - | - | |
| Reclining Sofa | Yes | - | ||
| Sofa Material | Vinyl | - | - | - |
Specs
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Full Size Master Bedroom Closet
Yes
Living Area Location
Center
Master Bedroom Door Style
Conventional Door
Master Bedroom Flooring Type
Carpet
Master Bedroom Location
Front
Master Bedroom Mirror Doors
Yes
Master Bedroom Shades / Curtains
Yes
Number Of Bunk Beds
1
Number Of Convertible / Sofa Beds
1
Number Of Queen Size Beds
2
Number Of Sofas
3
Reclining Sofa
Yes
Sofa Material
Vinyl
Living Room / Bedroom(s) Best Sellers
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Kitchen / Dining
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Kitchen / Living Area Flooring Type | Carpet / Vinyl | - | - | - |
| Kitchen Location | Center | - | - | - |
| Kitchen Table Configuration | Pedestal Table | - | - | - |
| Number Of Oven Burners | 3 | - | - | - |
| Refrigerator Power Mode | Electric / Propane | - | - | - |
| Refrigerator Size | Mid-Size | - | - | - |
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Kitchen / Living Area Flooring Type
Carpet / Vinyl
Kitchen Location
Center
Kitchen Table Configuration
Pedestal Table
Number Of Oven Burners
3
Refrigerator Power Mode
Electric / Propane
Refrigerator Size
Mid-Size
Bathroom
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Bathroom Flooring Type | Vinyl | - | - | - |
| Bathroom Location | Center | - | - | - |
| Number Of Bathrooms | 2 | - | - | - |
| Toilet Type | Plastic | Top 5 |
Specs
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Bathroom Flooring Type
Vinyl
Bathroom Location
Center
Number Of Bathrooms
2
Toilet Type
Plastic
Bathroom Best Sellers
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Exterior
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number of Awnings | 1 | - | ||
| Leveling Jack Type | Front Power / Rear Power | - | - | - |
| Number Of Axles | 2 | - | - | - |
| Sidewall Construction | Fiberglass | - | - | - |
| Number Of Emergency Exits | 2 | - | - | - |
| Number of Doors | 2 | - | ||
| Door Type | Curtain | - | ||
| Brand Name | Jensen | - | - | - |
| Body Material | Aluminum | - | - | - |
Specs
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Number of Awnings
1
Leveling Jack Type
Front Power / Rear Power
Number Of Axles
2
Sidewall Construction
Fiberglass
Number Of Emergency Exits
2
Number of Doors
2
Door Type
Curtain
Brand Name
Jensen
Body Material
Aluminum
Exterior Best Sellers
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Options
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Air Conditioning Prewiring | Yes | - | ||
| Battery Power Converter | Yes | - | - | - |
| Bunkhouse | No | - | - | - |
| Cable Prewiring | Yes | - | - | - |
| Heat Prewiring | Yes | - | - | - |
| Interior Wood Finish | Yes | - | - | - |
| Overhead Fan | Yes | - | - | |
| Phone Prewiring | No | - | - | - |
| Power Retractable Awning | Yes | - | - | - |
| Power Retractable Slideout | Yes | - | - | - |
| Refrigerator | Standard | - | - | - |
| Satellite | No | - | - | - |
| Satellite Prewiring | Yes | - | - | - |
| Screened Room | No | - | - | - |
| Sliding Glass Door | No | - | - | - |
| TV Antenna Prewiring | Yes | - | - | - |
| Wallpaper | Yes | - | - | - |
| Washer / Dryer Prewiring | No | - | - | - |
| Water Heater Tank Bypass | Yes | - | - | - |
Specs
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Air Conditioning Prewiring
Yes
Battery Power Converter
Yes
Bunkhouse
No
Cable Prewiring
Yes
Heat Prewiring
Yes
Interior Wood Finish
Yes
Overhead Fan
Yes
Phone Prewiring
No
Power Retractable Awning
Yes
Power Retractable Slideout
Yes
Refrigerator
Standard
Satellite
No
Satellite Prewiring
Yes
Screened Room
No
Sliding Glass Door
No
TV Antenna Prewiring
Yes
Wallpaper
Yes
Washer / Dryer Prewiring
No
Water Heater Tank Bypass
Yes
Cargo
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Cargo Area Auxiliary Gas Tank Capacity | 30 / 113.6 gal/lbs | - | - | - |
| Cargo Area Flooring Type | Rubber | - | - | - |
| Cargo Area Length | 156 / 3962.4 in | - | - | - |
| Cargo Area Rear Door Style | Ramp Door | - | - | - |
Specs
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Cargo Area Auxiliary Gas Tank Capacity
30 / 113.6 gal/lbs
Cargo Area Flooring Type
Rubber
Cargo Area Length
156 / 3962.4 in
Cargo Area Rear Door Style
Ramp Door
Entertainment
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Discs | 1 | - | - | - |
| Speaker Location | Interior / Exterior | - | - |
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Number Of Discs
1
Speaker Location
Interior / Exterior
Entertainment Best Sellers
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Instrumentation
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Radios | 1 | - | - | - |
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Number Of Radios
1
Quick Overview
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Parent Company | Heartland Recreational Vehicles LLC | - | - | - |
| Year | 2020 | - | - | - |
| Make | Heartland | - | - | - |
| Display Name | Gravity GR 3510 | - | - | - |
| Class | Toy Hauler | - | - | - |
| Max Sleeping Count | 7 | - | - | - |
| Number of Slideouts | 3 | - | - | - |
| Introduction Year | 2020 | - | - | - |
Specs
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Parent Company
Heartland Recreational Vehicles LLC
Year
2020
Make
Heartland
Display Name
Gravity GR 3510
Class
Toy Hauler
Max Sleeping Count
7
Number of Slideouts
3
Introduction Year
2020
Essential Upgrades for the 2020 Heartland Gravity Gr-3510
How We Scored This RV
Our MintRV Rating analyzes over 50 specifications across 5 key dimensions. Each dimension starts at 5.0 points and adjusts based on how this RV's specs compare to others in its class. Below is exactly how we calculated each score for this toy hauler.
Tow-Ready Score
5.5/10
Base Score
5.0
Spec-based adjustments
Based on Toy Hauler class averages
+0.5
Final Tow-Ready Score
5.5
Living Space & Layout
6.5/10
Base Score
5.0
Spec-based adjustments
Based on Toy Hauler class averages
+1.5
Final Living Space & Layout
6.5
Comfort & Features
5.8/10
Base Score
5.0
Spec-based adjustments
Based on Toy Hauler class averages
+0.8
Final Comfort & Features
5.8
Storage Space
5.5/10
Base Score
5.0
Spec-based adjustments
Based on Toy Hauler class averages
+0.5
Final Storage Space
5.5
Off-Grid & Campsites
6.3/10
Base Score
5.0
Spec-based adjustments
Based on Toy Hauler class averages
+1.3
Final Off-Grid & Campsites
6.3
About Our Rating Methodology
MintRV Ratings are calculated using verified manufacturer specifications. We compare each RV against others in its class type and weight category. Scores are updated when new specs become available. Learn more about our methodology →
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Frequently Asked Questions
To safely tow the 2020 Heartland Gravity Gr-3510, ensure your vehicle's rated tow capacity exceeds its GVWR of 17000 lbs. With a dry weight of 12975 lbs and hitch weight of 3300 lbs, most midsize trucks and SUVs can tow it comfortably with a 10-20% safety margin.
This Toy Hauler has a dry weight of 12975 lbs and a GVWR of 17000 lbs, giving a payload capacity of 3977 lbs for gear, water, and supplies.
The approximate dimensions are length 463 in., width in., and height 159 in. Always confirm clearances for garages, storage, and campsites.
The Gravity Gr-3510 includes a fresh water capacity of gallons, black water tank(s), and lbs of propane capacity-ideal for off-grid weekends.
Many Gravity Gr-3510 owners add a weight-distribution hitch, brake controller, leveling system, and portable generator to improve towing comfort. Solar kits, backup cameras, and upgraded tires are also popular upgrades.
With a GVWR of 17000 lbs and dry weight of 12975 lbs, the Gravity Gr-3510 is light enough for smaller tow vehicles yet rugged enough for light off-road travel. Add solar, extra propane, and a generator for extended off-grid stays.
This floorplan sleeps up to 7 people comfortably - perfect for couples or small families seeking a lightweight, easy-tow Toy Hauler.
The Gravity Gr-3510 features body construction with sidewalls and 2 axle(s). Its GVWR of 17000 lbs ensures strength without excessive towing weight.
?? Tip: Always check your vehicle's specific towing capacity in the owner's manual. Consider payload and tongue weight too!
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