2026 JAYCO SEISMIC 399
58
Rv TypeToy Hauler
Length46 ft
Fuel Type-
Mileage-
Description
2026 Jayco Seismic 399, Toy Hauler Fifth Wheel, New 2026 Jayco Seismic 399
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
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
RV details
Type
Toy Hauler
Condition
New
Length
46 ft
GVWR
20,400 lbs
Odometer
0 mi
Slide-outs
3
Sleeping capacity
9
Water capacity
106 gal
Floor plan
SEISMIC
Dealer stock ID
110398
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Dealer information
Little Dealer Little Prices - Phoenix, AZ
$109,995
Contact the seller
Call the dealer
(866) 277-0417
RV code: 4092