- List: $54,450
-
43ft long
-
15,600 lbs
-
Sleeps 3
-
3 slides
-
Kitchen IslandLoft
397TH Floorplan
Specifications
| Sleeps | 3 | Slides | 3 |
| Length | 43 ft 1 in | Ext Height | 13 ft 5 in |
| Hitch Weight | 3375 lbs | GVWR | 20000 lbs |
| Dry Weight | 15600 lbs | Fresh Water Capacity | 155 gals |
| Grey Water Capacity | 104 gals | Black Water Capacity | 104 gals |
| Tire Size | 16" | Furnace BTU | 40000 btu |
| Fuel Capacity | 60 gals | Available Beds | Queen |
| Refrigerator Size | 18 cu ft | Convection Cooking | Yes |
| Cooktop Burners | 3 | Number of Awnings | 3 |
| Axle Weight | 7000 lbs | Garage Size | 12 ft 6 in |
| LP Tank Capacity | 60 lbs | Water Heater Capacity | 12 gal |
| Water Heater Type | Gas/Electric | AC BTU | 30000 btu |
| TV Info | LR 49" LED TV, BR 32" LED TV, Garage 32" LED TV, Ext. LED TV | Awning Info | 14', 10', & 12' Power w/LED Lights |
| Axle Count | 3 | Washer/Dryer Available | Yes |
| Shower Type | Sunken Tub/Shower | Electrical Service | 50 amp |
| VIN | 573FM4536L1115475 |
Description
Get ready to elevate your RV lifestyle with the pre-owned 2020 Grand Design Momentum 397TH—a luxury toy hauler that blends high-end residential comfort with rugged adventure capability. Whether you're hauling motorcycles, ATVs, or simply craving extra space for hobbies and guests, this Momentum delivers the perfect balance of function, style, and freedom.
Built for those who refuse to compromise, the Momentum 397TH features a spacious garage area that easily converts into a versatile living space. With durable tie-downs, a rear ramp door, and convertible seating, this unit is ready for weekend warriors, full-time travelers, and everyone in between. The separate garage also doubles as a private guest suite or entertainment zone, giving you unmatched flexibility on the road.
Step inside the main living area and you’ll find a beautifully designed interior that rivals upscale residential homes. Premium furnishings, theater seating, a large LED TV, and a cozy fireplace create the perfect atmosphere for relaxing after a day of adventure. The fully equipped kitchen boasts solid-surface countertops, stainless steel appliances, a residential-style refrigerator, and ample storage—ideal for cooking everything from quick meals to gourmet dinners.
The front master suite offers a true retreat with a king-size bed, generous wardrobe space, and washer/dryer prep for extended stays. The spacious bathroom includes a large shower, modern fixtures, and thoughtful storage to keep everything organized and comfortable.
Designed with Grand Design’s industry-leading construction quality, the Momentum 397TH includes features like a weather-resistant exterior, superior insulation, and a strong, reliable frame—giving you confidence whether you're camping in the mountains or by the coast. Multiple awnings, exterior entertainment options, and abundant storage make outdoor living just as enjoyable as the interior.
Why buy the 2020 Grand Design Momentum 397TH?
Because it offers luxury, versatility, and durability all in one package. It’s perfect for travelers who want to bring their toys, entertain guests, and enjoy residential-level comfort wherever they go. This is more than an RV—it’s your mobile basecamp for unforgettable experiences.
Why buy from Lazydays RV powered by Campers Inn RV?
You’re not just purchasing an RV—you’re partnering with one of the most trusted names in the industry. Lazydays RV powered by Campers Inn RV is known for exceptional customer service, a wide selection of high-quality units, and a knowledgeable team dedicated to helping you every step of the way. From financing options to service support after the sale, they make your RV journey smooth, easy, and enjoyable.
Don’t miss your chance to own a premium toy hauler that’s built for both adventure and relaxation. The 2020 Grand Design Momentum 397TH is ready to take you wherever the road leads—are you ready to go?
Features
Standard Features (2020)
Exterior
- Under Mount 16" Spare Tire
- 6-Point Hydraulic Leveling System
- MORryde® Pin Box
- Dual Pane Window Upgrade (Optional
- Back-Up Camera (Camera Prep Standard) (Optional)
- Slide-Out Awning Toppers (Optional)
- Keyed Alike™ Ramp Door Latches
- 2nd Power Patio Awning w/ LED Lights
- 3rd Power Awning w/ LED Lights (Main Slide - 397TH) (Mandatory)
- Front and Back Under Unit Blue LED Light Kit (Mandatory)
- High-Gloss Gel Coat Exterior Sidewalls
- Full Paint Gel Coat Fiberglass Front Cap
- Full Body Paint (Optional)
- Door Side Exterior Spray Port
Construction
- Drop Frame Chassis (12" over 10")
- MORryde CRE3000 Suspension System
Interior
- Interior Color Changing LED Accent Lighting
- Raised Panel Hardwood Cabinet Doors w/Hidden Hinges
- Sofa w/Headrest & Removable Swivel Tables (Includes Heat, Massage & LED Lighting Package)
- Central Vacuum System w/ Tools and Dust Pan
- Super Sofa Upgrade - IPO Theater Seats & Dinette (397TH, 399TH Only) (Optional)
Kitchen
- Convection Microwave
- 18 Cu. Ft. Refrigerator
- Residential Kitchen Faucet
- Window Behind Range (397TH, 399TH)
- Kitchen Barstools w/ Extended Countertops (397TH, 399TH only)
Bedroom
- Residential Style Headboard
- Under Bed Storage Area (N/A 376THS)
- Individually Switched Reading Lights Over Bed
- Bedside 110-Volt Outlets
- 60" X 80" Queen Memory Foam Mattress
- King Bed Upgrade (Optional)
Bathroom
- One-Piece Fiberglass Shower w/Glass Door
- Skylight Above Shower
- Porcelain Toilet
- Medicine Cabinet w/Mirrored Door
Audio & Video
- Rockford Fosgate Speaker Package w/12" Sub and 300W Amp (Optional)
- No-Crank Digital TV Antenna w/Booster
- Satellite/Solar Roof Access Channel
- 32" Class LED TV in Bedroom
- TV Prep in Garage (N/A 376THS)
- Exterior Entertainment Center w/LED TV & DVD (Mandatory)
HVAC & Plumbing
- 12v High Power Fan (Kitchen)
- 12v High Power Fan - Master Bath
- 12V Tank Heaters (All Tanks)
- 35k BTU High Capacity Furnace
- Fireplace w/ 5,000 BTU Electric Heater
- 15k BTU A/C - Middle/Main
- 2nd 15k BTU A/C - Bedroom (Mandatory)
- 3rd 13.5k BTU A/C (Includes Energy Mgmt. System & 3-Zone Thermostat) (Optional)
- Heat Pump A/C -Living Area (Optional)
Garage
- Rear Cargo Loading & Backup LED Lights
- Quick Set Ramp Door Patio System w/ Power Awning (N/A 376THS) (Optional)
- 3-Season Garage Wall (NA w/ Pull Down Garage Screen Wall) (N/A 376THS) (Optional)
- Happi-Jac Electric Bunk System w/Folding Sofas (N/A 376THS) (Optional)
- Patio Steps (N/A 376THS) (Optional)
Utilities
- OneControl™ 7" Touchscreen Control Panel w/App Controls and Redundant Slide Switches
- Generator Prep
- Onan 5.5 KW Gasoline Generator (Optional)
- Solar Prep (10 gauge wiring with universal MC4 connectors)
- Solitude Solar System (300w Solar Panel, Controller, 2000w Inverter) (Optional)
Exterior Package - Mandatory
- Satellite TV Prep (All TV Locations)
- Aluminum Quad Entry Steps - Garage Entry (N/A 376TH)
- 7,000 lb. Axles w/Self Adjusting Brakes, Wet Bolts and Bronze Bushings
- 16” Aluminum Wheels (120PSI Rated)
- West Lake® E-Rated Tires w/NitroFill™
- Slam-Latch Baggage Doors
- Frameless Tinted Windows
- Aluminum Quad Entry Steps - Main Entry
- Exterior Security Lights
- Power Patio Awning w/LED Lighting
- Folding Roof Ladder
- White Gel Coat Fiberglass Front Cap
- 12V Battery Disconnect
- All-In-One Exterior Utility Center
- 50 Amp Service
- Converter
- Enclosed Fuel Station w/ Dual Fuel Tank (Single Tank 376TH)
- Full Paint Gel Coat Fiberglass Front Cap (376TH, 397TH, 399TH only)
- Solid Step Quad Entry Step - Main Entry
Garage package - Mandatory
- 32" Class LED TV in Garage (397TH and 399TH only)
- Protective Diamond Plate on Garage Sidewalls
- 2,500 lb. Rated Flush-Mount Tie-Downs
- Ram-Air Garage Vents Both Sides (N/A 376TH)
- Tuff-Ply Gas and Oil Resistant Garage Flooring
- Fast Ramp Rear Ramp Door (N/A 376TH)
- Triple Insulated Garage Floor (N/A 376TH)
Interior Package - Mandatory
- 49" Class LED TV in Living Area
- Stereo Entertainment System w/Bluetooth and App Based Controls in Living Area
- Washer/Dryer Prep
- 12 Gallon Gas/Electric Water Heater
- Roller Shade Window Coverings (Main Living Area and Bedroom)
- Recessed LED Puck Lighting
- Solid Surface Countertops w/ Sink Covers
- Stainless Steel Undermount Kitchen Sink
- Chef Inspired Range & Oven w/ Cover
- Kitchen Pantry w/ LED Light Strip
- Garage Control Panel (N/A 376TH)
Weather-Tek Package - Mandatory
- R-Value Equivalent (R-40 Roof / R-45 Floor / R-11 Sidewalls / R-40 Garage Floor / R-24 Slideroom Floor)
- Fully Enclosed and Heated, Underbelly and Storage Area
- Enclosed and Heated Low Point Drains
- Engineered Underbelly Airflow Heat Paths
- Stealth AC System w/ Insulated A/C Ducts
- Attic Vent
- Plumbing Line Insulation Barrier
Please see us for a complete list of features and available options!
All standard features and specifications are subject to change.
All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.
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*All calculated monthly payments are an estimate for qualified buyers only and do not constitute a commitment that financing or a specific interest rate or term is available. Financing terms may not be available in all Campers Inn locations. Campers Inn RV Sales is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual inventory in stock on our lot. Please contact us for availability as our inventory changes rapidly.
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.
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.



