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2025 JAYCO SEISMIC 399
Rv TypeToy Hauler
Length46 ft
Fuel Type-
Mileage-
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Description
2025 Jayco Seismic 399
Unleash your inner thrill-seeker with the 2025 Jayco Seismic 399, a robust fifth wheel toy hauler built for adventure. Available at Giant RV, this Seismic 399 features a 102" wide-body steel I-beam frame, three slide-outs, and a 14,950 lb. dry weight with a 3,750 lb. payload. With a 13'6" garage and luxury amenities, it s perfect for RV camping.
Visit Giant RV to explore the 2025 Jayco Seismic 399 and kickstart your next adventure with unmatched style and versatility!
Unleash your inner thrill-seeker with the 2025 Jayco Seismic 399, a robust fifth wheel toy hauler built for adventure. Available at Giant RV, this Seismic 399 features a 102" wide-body steel I-beam frame, three slide-outs, and a 14,950 lb. dry weight with a 3,750 lb. payload. With a 13'6" garage and luxury amenities, it s perfect for RV camping.
- Queen Bed Slide: Front bedroom with a 60" x 80" queen bed, wardrobe, and dresser, sleeping up to 9 with convertible sofas and a loft.
- Spacious Garage: 13'6" toy hauler with a party deck, convertible sofas, queen bed, and half bath for versatile use.
- Modern Kitchen: Features a 16 cu. ft. 12V refrigerator, 21" oven, 30" microwave, and residential sink for gourmet meals.
- Off-Grid Ready: Equipped with a 400W solar package, 6,000W Yamaha generator, and 20' power awning for camping.
Visit Giant RV to explore the 2025 Jayco Seismic 399 and kickstart your next adventure with unmatched style and versatility!
RV details
Type
Toy Hauler
Condition
Used
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
AVA145A
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