2026 Jayco Seismic 399
New Toy Hauler in Duncansville, Pennsylvania, 16635
Unit Specs
- Stock #E0260-25
- Year2026
- ManufacturerJayco
- Make Jayco
- ModelSeismic
- Floorplan399
- Floorplan LayoutBath and a Half
Front Bedroom - Type Toy Hauler
- Secondary Type Fifth Wheel
- ConditionNew
- Length45' 11"
- Width8' 6"
- Height13' 2"
- VIN1UJCGSCV8T18M0053
- MSRP $140,004.00
- Price $129,995.00
- Sale Price $108,995.00
- Need to know your payment? Use our RV Loan Calculator!
- Sleeps9
- Water Capacity (Fresh)106 gal
- Water Capacity (Black)87 gal
- Water Capacity (Grey)87 gal
- Air Conditioners3
- A/C Spec45000 BTU's
- Slideouts3
- Payload Capacity4675 lbs
- Dry Weight15,725 lbs
- Tow/Hitch Weight3370 lbs
- # Axles3
Customer Value Package, Five Star Handling Package, Half Bath, KING BED
Added 3RD A/C in Cargo
2026 Jayco Seismic Toy Hauler – Luxury Travel Trailer with Modern Features
Discover the exceptional 2026 Jayco Seismic Toy Hauler, a premium recreational vehicle designed for thrill-seekers and outdoor adventurers alike. This new arrival in the towable RV category combines versatile living space, robust performance, and upscale amenities, making it an ideal choice for families or groups up to nine. With a length of approximately 45 feet 11 inches and a width of 8 feet 6 inches, the Seismic provides ample space and comfort for extended travels.
Impressive Features and Specifications
The Seismic is equipped with a spacious interior and advanced features, including:
- Three air conditioners with a total capacity of 45,000 BTUs for cooling effectiveness
- A comprehensive water system with 106 gallons of fresh water capacity, and 87 gallons each for black and grey water tanks
- Powerful 3-slideouts that expand the living area
- Triple axles for enhanced stability and load capacity
- Payload capacity of 4,675 pounds and a gross vehicle weight of 20,400 pounds
- Includes a Half Bath and a luxurious King Bed for maximum comfort
Upscale Comfort and Entertainment
The Seismic boasts a modern interior featuring a free-standing dinette with chairs, bunk beds, and a queen bed, making it perfect for family adventures. Entertainment is at the forefront with multiple amenities such as a DVD player, CD player, TV, exterior speakers, and an auxillary battery for off-grid power. The RV also includes a microwave, oven, refrigerator, stove top burner, and water heater, allowing for home-like convenience on the road.
Convenience and Safety
Designed with ease and safety in mind, this toy hauler comes with an external shower, ladder, leveling jacks, power roof vent, skylight, roof vents, smoke and CO detectors, LP detector, and a spare tire kit. The exterior is rugged and insulated, ready for various weather conditions, and features an awning for outdoor shade.
Additional Highlights
- New in stock and ready for immediate delivery
- Customer Value Package and Five-Star Handling Package included
- Estimated financing options with flexible terms
Experience the perfect mix of luxury, functionality, and adventure with the 2026 Jayco Seismic Toy Hauler – the ultimate choice for those seeking fun on the road with all the comforts of home. Contact us today to learn more about this outstanding RV and start planning your next outdoor adventure!
View a video of this 2026 Jayco Seismic 399 RV on YouTube!
2026 Jayco Seismic 399 Features
-
Appliances
Microwave, Oven, Refrigerator, Stove Top Burner, Water Heater -
Electrical
Air Conditioning, Auxiliary Battery, Generator -
Equipment
CD Player, CO Detector, DVD Player, LP Detector, Smoke Detector, TV -
Exterior
Awning, Exterior Speakers, External Shower, Ladder, Leveling Jacks, Power Roof Vent, Skylight, Slideout, Spare Tire Kit -
Interior/Furnishings
Bunk Beds, Free Standing Dinette w/Chairs, Medicine Cabinet, Queen Bed, Roof Vents, Shower, Toilet -
Horse / Livestock / LQ / Tack
Insulated
2026 Jayco Seismic 399 Specifications
MSRP
$126,668
Height
13' 3"
Height (interior)
8' 3"
Length
45' 8"
Width
8' 6"
Dry Weight
14,950 lbs
GVWR
20,400 lbs
Payload Capacity
5,450 lbs
Refrigerator Capacity
17 cu ft
Sleep Capacity
8
Water Capacity - Black
87 gal
Water Capacity - Fresh
106 gal
Water Capacity - Grey
87 gal
# Awnings
2
# Axles
3
# Doors
2
# Slides
3
Hitch
Fifth Wheel
# A/C
3
A/C Spec
13,500 BTU soft-start, high-efficiency, ducted A/C
Unit Specs
- Stock #E0260-25
- Year2026
- ManufacturerJayco
- Make Jayco
- ModelSeismic
- Floorplan399
- Floorplan LayoutBath and a Half
Front Bedroom - Type Toy Hauler
- Secondary Type Fifth Wheel
- ConditionNew
- Length45' 11"
- Width8' 6"
- Height13' 2"
- VIN1UJCGSCV8T18M0053
- MSRP $140,004.00
- Price $129,995.00
- Sale Price $108,995.00
- Need to know your payment? Use our RV Loan Calculator!
- Sleeps9
- Water Capacity (Fresh)106 gal
- Water Capacity (Black)87 gal
- Water Capacity (Grey)87 gal
- Air Conditioners3
- A/C Spec45000 BTU's
- Slideouts3
- Payload Capacity4675 lbs
- Dry Weight15,725 lbs
- Tow/Hitch Weight3370 lbs
- # Axles3
Estimated Payment-
Email Seller
Request More Info on this 2026 Jayco Seismic 399 Offered for sale by Ansley RV
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