+53
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46ft long
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14,950 lbs
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Sleeps 9
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3 slides
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Fiberglass ExteriorBath and a Half
399 Floorplan
Specifications
| Sleeps | 9 | Slides | 3 |
| Length | 45 ft 11 in | Ext Width | 8 ft 6 in |
| Ext Height | 13 ft 2 in | Int Height | 8 ft 3 in |
| Interior Color | CALL FOR DETAILS | Hitch Weight | 3370 lbs |
| GVWR | 20400 lbs | Dry Weight | 14950 lbs |
| Cargo Capacity | 5450 lbs | Fresh Water Capacity | 106 gals |
| Grey Water Capacity | 87 gals | Black Water Capacity | 87 gals |
| Tire Size | 17.5" | Furnace BTU | 35000 btu |
| Fuel Capacity | 30 gals | Number Of Bunks | 1 |
| Available Beds | Queen | Refrigerator Type | 12 Volt |
| Refrigerator Size | 17 cu ft | Cooktop Burners | 3 |
| Number of Awnings | 3 | Garage Size | 13 ft 6 in |
| LP Tank Capacity | 30 lbs | Water Heater Capacity | 16 gal |
| Water Heater Type | Gas/Electric DSI | AC BTU | 30000 btu |
| TV Info | LR 4K Smart LED HDTV | Awning Info | 21' Electric w/LED Lights, 11' Electric, 10' Rear |
| Axle Count | 3 | Washer/Dryer Available | Yes |
| Number of LP Tanks | 2 | Shower Type | Walk-In Shower |
| Electrical Service | 50 amp | VIN | 1UJCGSCV1T18M0184 |
Description
NEW 2026 Jayco Seismic 399 Toy Hauler
Turn every destination into an event with the New 2026 Jayco Seismic 399, a luxury toy hauler engineered for high-energy adventures, extended stays, and unforgettable nights at camp. From the massive garage party deck to the upscale residential interior, this Seismic is built for those who want to bring the thrill with them—and relax in style once they arrive.
The 13' 6" garage is more than just storage for your toys—it’s a true multi-purpose space. It features a queen bed with convertible sofas, an overhead garage loft with storage, and a side man door for easy access. When the toys are unloaded, drop the rear ramp party deck and transform the garage into the ultimate outdoor hangout with fresh air, views, and room to entertain.
Inside, dual opposing slides create a wide-open living space designed for comfort and connection. Stretch out on the L-shaped tri-fold sofa, enjoy meals at the dinette, and keep everything stocked with a large refrigerator and pantry. The 4K Smart LED HDTV anchors the living area, making movie nights, game days, and downtime just as enjoyable as the ride to camp.
Up front, the private master suite offers a peaceful escape after a full day outdoors. The 60" x 80" queen bed sits in a slide-out for added floor space, while a full walk-in closet, dresser, and washer/dryer prep make longer trips easy. The dual-entry bathroom is spacious and residential, featuring a walk-in shower, vanity, toilet, and overhead storage for daily essentials.
Built for serious travel, the Seismic 399 rides on 102" wide-body structural steel I-beam construction and includes Jayco’s Climate Shield zero-degree tested weather protection, allowing you to camp comfortably year-round. The fully enclosed and heated underbelly, 35,000 BTU furnace, PEX plumbing, and durable construction ensure confidence wherever the road leads.
Key Highlights
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Rear ramp door with party deck
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13' 6" garage with queen bed, convertible sofas, and overhead loft
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L-shaped tri-fold sofa and spacious main living area
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4K Smart LED HDTV
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Front private bedroom with queen bed slide-out
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Walk-in shower with dual-entry bath access
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Full walk-in closet with washer/dryer prep
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Three-season garage wall and doors
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30-gallon fuel station with timer
Why Buy From Campers Inn RV
When you purchase from Campers Inn RV, you gain more than a vehicle. You gain a partner in your RV lifestyle.
• Knowledgeable RV professionals who understand luxury Class B coaches
• Thorough inspection process prior to delivery
• Financing solutions tailored to your needs
• Nationwide support network
• Commitment to long-term customer satisfaction
Campers Inn RV is dedicated to helping you travel with confidence, knowing your investment is backed by experience and service
Inventory images may be shown. Colors and specifications may vary. Call for details.
Features
Standard Features (2026)
PLEASE NOTE: Features and options separated by type below
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FIFTH WHEELS
Exterior Equipment
- 102 in. wide-body structural steel I-beam construction
- Stronghold VBL™ aluminum-framed and vacuum-bond laminated gel-coated fiberglass exterior walls and slide room end walls
- Magnum Truss™ XL6™ Roof System (strongest tested roof in the industry) with Alpha roof membrane system (limited lifetime warranty)
- Painted fiberglass front cap with clear coat and built-in specialty LED lighting
- Custom automotive-grade vinyl exterior graphics package
- Climate Shield™ zero-degree tested weather protection includes:
- 35K BTU output furnace
- Double-layer fiberglass batt insulation in ceiling and floor
- Double-sided radiant barrier insulation (roof and floor)
- Fully enclosed and heated underbelly (ducted)
- NPS – Powered by Yamaha® 6,000-watt generator with built-in pure sine inverter (gas/C.A.R.B. certified)
- 6-point hydraulic auto-leveling system
- Battery disconnect switch
- Detachable shore power cord
- Dual 30 lb. propane bottles with auto regulator
- Water heater bypass
- LP quick-connect
- Exterior marine-grade speakers
- Digital TV antenna
- Folding roof ladder
- LED exterior lighting package
- JaySMART™ (Safety Markers and Reverse Travel) LED lighting (patented)
- HELIX Cooling System™ (industry exclusive) includes:
- Three exterior-mounted 13,500 BTU soft-start, high-efficiency, ducted A/Cs (living room and bedroom)
- Directional and closeable A/C vents
- Insulated dual-duct design
- Pass-through storage with Slam-latch™ baggage doors
- Under-mounted spare tire
- Fully enclosed, LED-lighted universal docking center with:
- Black tank flush
- Winterization and sanitation hookups
- Quick-connect outside shower
- Satellite prep
Interior Equipment
- Olympic king bed (359 & 413)
- Residential quilted bedspread
- Gas-strutted under-bed storage
- Washer/dryer prep
- 12V charging station
- Bathroom skylight
- Central command center with built-in tank monitoring
- Custom interior design (Dune Gray)
- LED interior lighting throughout
- LED fireplace with electric space heater (select models)
- No in-floor heat registers throughout the coach
- Vinyl flooring in slideouts (no carpet)
- Residential vinyl flooring (made in the USA)
- Hardwood safety handrail on hallway steps
- Carbon monoxide and LP detector
- 5/8 in. tongue-and-groove joined plywood main floor decking and 3/8 in. tongue-and-groove plywood roof decking
- Handcrafted and glazed doors, drawers, and trim
- Solid hardwood cabinet doors
- Residential finished dovetail-jointed drawers throughout
- Heavy-duty, 75 lb., full-extension, steel ball-bearing drawer guides
- SuperSofa™ or theater seats with heat, massage, and LED lighting (select models)
- Stain-protected fabric on all furniture
- Residential “Do it all” sink with pull-out kitchen faucet, glass rinse, and vegetable rinse
- Porcelain foot-flush toilet
- Inverter pre-wire
Customer Value Package (Mandatory)
- On-demand tankless hot water heater
- 50-amp service
- Overlander II Solar Package: 30-amp solar controller with (2) roof-mounted 200W solar panels and a 1,800W inverter
- 17 cu. ft. 12V refrigerator
- 30 in. space-saver microwave
- Residential 21 in. oven with three burners
- 4K Smart LED HDTV with fully digital HDMI® output
- Touch-screen Bluetooth® stereo with four speakers
- Electric patio awning with integrated RGB LED lights (multi-color with remote control)
- MORryde® strut-assisted fold-away entrance steps (main entrance)
- Custom black, machined aluminum rims
- Keyed-Alike™ lock system
- Bathroom power vent
- Night roller shades
- Hidden hinges and magnet door catches on cabinet doors
5 Star Handling Package (Mandatory)
- 17.5 in., 16-ply “H” rated Cooper® tires
- Dexter® axles with ABS and Tow Assist – includes Nev-R-Adjust® brakes and E-Z Lube® hubs
- MORryde® CRE-3000™ Suspension System
- Rota-Flex® king pin
- Wet bolt fasteners, bronze bushings, and 4K lb. leaf springs
- 2nd electric patio awning with integrated RGB LED lights (multi-color with remote control)
Ramp and Cargo Equipment
- 30 gal. fuel tank with timer
- Garage D-rings mounted to steel frame
- HappiJac® electric-lift queen beds/convertible sofas with folding armrests and cup holders
- Three-season removable garage wall/doors
- Tuff-ply™ rubberized garage floor liner
- Rear ramp door and patio with anti-slip, non-skid flooring
- Ramp patio kit with exterior steps
- Rear electric patio awning
- LED high-intensity ramp lights
- Ram air vents and power roof vent
Options
- Frameless, dual-pane, tinted safety-glass windows
- Outside HALO™ griddle for outside kitchens or JayPort® system (includes LP quick-connect) (select models)
- Queen residential foam-top mattress (395 & 399)
- Retractable half-bath wall in garage (395 & 399)
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TRAVEL TRAILERS
Exterior Equipment
- 102 in. wide-body structural steel I-beam construction
- Magnum Truss™ XL6™ Roof System (strongest tested roof in the industry)
- Stronghold VBL™ aluminum-framed and vacuum-bonded, laminated gel coated, fiberglass exterior walls and slideroom end walls
- Painted fiberglass front cap with clear coat and built-in specialty LED lighting
- Climate Shield™ zero-degree tested weather protection:
- 35K BTU output furnace
- Double layer fiberglass batt insulation in ceiling and floor
- Double sided radiant barrier insulation (roof and floor)
- Fully enclosed and heated underbelly (ducted)
- Custom automotive-grade vinyl exterior graphics package
- Lippert Solid Step®
- Backup camera prep
- Power tongue jack
- 50-amp service
- Detachable shore power cord
- Digital TV antenna
- Satellite prep
- Black tank flush, winterization and sanitation
- Quick-connect outside shower
- Water heater bypass
- LP quick-connect
- HELIX Cooling System™ (industry exclusive):
- Jayco exclusive insulated dual duct design
- Directional and closeable A/C vents
- Slam-latch™ baggage doors
- LED exterior lighting package
Interior Equipment
- 5/8 in. tongue-and-groove joined plywood main floor decking and 3/8 in. tongue-and-groove plywood in the roof
- PEX plumbing
- Carbon monoxide and LP detector
- Central command center with built-in tank monitoring
- Inverter pre-wire
- LED fireplace with electric space heater (select models)
- LED interior lighting throughout
- Custom interior design
- Solid hardwood cabinet doors
- Handcrafted and glazed doors, drawers and trim
- Residential finished dovetail-jointed drawers throughout
- Heavy-duty, 75 lb., full-extension, steel ball-bearing drawer guides
- No in-floor heat registers throughout the coach
- Bathroom skylight
- Porcelain foot flush toilet
- Medicine cabinet with custom framed mirror
- High Rise Kitchen Faucet
- King bed
- Residential quilted bedspread
- Stain protected fabric on all furniture
- Vinyl flooring in slide outs (no carpet)
- Residential vinyl flooring (made in the USA)
- Roll down garage screen (*unless 3 season door is selected)
Customer Value Package (Mandatory)
- 60K BTU On-demand tankless hot water heater
- 12V refrigerator
- Space-saver microwave
- 13.5K BTU A/C
- 17 in. oven with 3 burners
- 4K Smart LED HDTV
- Bluetooth® stereo with 4 speakers
- Roller-shades
- Soft close hidden hinges and magnet door catches on cabinet doors
- Drop-down knife rack
- Integrated cup washer at sink
- Bathroom power vent
- Roll-away shower door
- Electric awning
- Roof ladder prep
- JayPort® 2 in. mount (for outside accessories)
- Keyed-Alike™ lock system
- (2) 20 lb. LP gas bottles with auto-regulator, ABS cover, & fill gauge
- 106 gal. fresh water capacity
- Overlander 1 Solar Package: 200W panel and 30-amp solar controller)
Ramp And Cargo Equipment (Mandatory)
- 30 gal. fuel tank with locking, enclosed pump and timer
- 5,000 lbs. Garage D-rings mounted to the steel frame
- HappiJac® electric-lift queen beds with convertible sofas
- LED high-intensity ramp lights
- Ram air vents and power roof vent
- Tuff-ply, rubberized garage floor liner
- Weather resistant rear ramp door and patio with anti-slip, non-skid flooring
5 Star Handling Package (Mandatory)
- Dexter® axles with Nev-R-Adjust® brakes and E-Z Lube® hubs
- Wet bolt fasteners, bronze bushings, and 4,000 lb. leaf springs
- CRE-3000 suspension
- 16 in. aluminum rims
- Under-mounted spare tire
Options
- 6,000W NPS inverter generator with remote start
- Second A/C
- 3-season removable garage wall
- Rear patio awning
- Slideout awning
- Overlander 2 Solar Package: (2) 200W panels, MPPT 30-amp solar controller and 1800W inverter
- Queen bed in place of king
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.
Due to the current environment, our features and options are subject to change due to material availability.
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Customer service is honestly amazing here! We were welcomed and taken care of right away. They showed us options and stayed within our budget. -
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Great job getting us all set and out the door with our new travel trailer! -
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Anne assisted us with finding a perfect travel trailer for our wants and needs. Prices were great and selection was impressive. The staff were thorough in all regards and made sure we were all set up from the buying process to the walk thru tutorial.
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Please contact us @ 928-350-2400 for availability as our inventory changes rapidly. Little Dealer Little Prices strives for accurate website information but is not responsible for misprints, typos, or errors on our website. Manufacturer or sample photos and specifications may be used in place of actual unit photos and specs. Monthly payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available. Prices exclude taxes, PDI, documentation and delivery fees, destination charges and fees. This offer expires when this information changes or the stock number is sold.
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