New 2025 Jayco Seismic 399 Toy Hauler Fifth Wheel
13' 6" Garage with Queen Bed & Convertible Sofas – Dedicated space for toys and guests
New 2025 Jayco Seismic 399 – The Ultimate Luxury Toy Hauler
Designed for thrill-seekers and outdoor enthusiasts, the 2025 Jayco Seismic 399 delivers the perfect mix of rugged adventure and high-end comfort. With a spacious 13’ 6” garage, party deck, multiple sleeping options, and premium entertainment features, this toy hauler fifth wheel is ready for the trails, dunes, or wherever adventure takes you.
Key Features & Highlights:
- Rear Party Deck – Transforms the ramp door into an outdoor entertainment space
- 13' 6" Garage with Queen Bed & Convertible Sofas – Dedicated space for toys and guests
- Overhead Loft with Storage – Perfect for extra sleeping space or gear storage
- Walk-In Shower – Spacious residential-style shower for ultimate comfort
- 60” x 80” Queen Bed in Master Suite – Spacious and private, with slide-out for extra room
- Full Front Walk-In Closet – Plenty of storage with washer/dryer prep
- 4K Smart LED HDTV – Premium entertainment experience for movie nights
Luxury Living & Kitchen Amenities:
- Dual Opposing Slides in Living Area – Expands interior space for ultimate relaxation
- L-Shaped Tri-Fold Sofa – Spacious seating that converts for extra sleeping space
- Large Dinette & 17 Cu. Ft. 12V Refrigerator – Perfect for family meals and extended trips
- Pantry Storage – Keeps dry goods and snacks organized
Built for Durability & Performance:
- 102” Wide-Body Structural Steel I-Beam Construction – Maximizes space and strength
- Rear Ramp Door/Patio with Non-Skid Flooring – Safe and easy access to your garage
- Pass-Through Storage with Slam-Latch Baggage Doors – Extra space for gear and essentials
- 30-Gallon Fuel Tank with Timer – Keeps your ATVs, motorcycles, or UTVs fueled up
All-Season Comfort & Outdoor Features:
- Climate Shield Zero-Degree Weather Protection
- 35,000 BTU Furnace – Stay warm in cold climates
- Fully Enclosed & Heated Underbelly – Designed for year-round camping
- PEX Plumbing System – Prevents freezing and damage
- Three Seasons Garage Wall/Doors – Helps maintain a comfortable interior temperature
- Exterior Marine-Grade Speakers – Keep the party going outdoors
Why Buy from Little Dealer Little Prices?
- Best Prices & No Hidden Fees – Transparent pricing with no surprises
- Huge Inventory & Financing Options – Get the perfect RV at a price that fits your budget
- Expert Service & Support – Factory-trained technicians ensure your RV is road-ready
- Adventure-Ready Guarantee – Every RV is inspected and prepped before leaving the lot
For the ultimate combination of adventure, luxury, and comfort, the 2025 Jayco Seismic 399 is the toy hauler built to take you further. Call or visit Little Dealer Little Prices today!
Stock 360 Tours and Stock Images May Be Shown. Colors and Specs May Vary. Call for Details.
Our journey with RV Leaders has been nothing short of exceptional, from the expansive inventory to the unparalleled customer service that truly set them apart. The range of RVs available was impressive, catering to every possible need and preference one could imagine. - Maria
You Save: $50,297
Sale Price: $86,968
Stock# 103689
| Sleeps | 9 |
| Slides | 3 |
| Length | 45 ft 11 in |
| Ext Width | 8 ft 6 in |
| Ext Height | 13 ft 5 in |
| Int Height | 8 ft 3 in |
| Hitch Weight | 3395 lbs |
| GVWR | 19995 lbs |
| Dry Weight | 14560 lbs |
| Cargo Capacity | 5435 lbs |
| Fresh Water Capacity | 106 gals |
| Grey Water Capacity | 87 gals |
| Black Water Capacity | 87 gals |
| Tire Size | 215/75R17.5'H' |
| 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 | 11 ft |
| 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 | 2 |
| Washer/Dryer Available | Yes |
| Number of LP Tanks | 2 |
| Shower Type | Walk-In Shower |
| Electrical Service | 50 amp |
| VIN | 1UJCGSCV3S18M0248 |
Seismic 399 Reviews
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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.