New 2026 Jayco Seismic 399
Description
New 2026 JAYCO SEISMIC 399 Toy Hauler Fifth Wheel for sale at Fretz RV of Philadelphia
Jayco Seismic toy hauler 399 highlights:
Party Deck
Queen Bed with Convertible Sofas
Overhead ...
RV Details
RV Type
Toy Hauler
Make
Jayco
Year
2026
Sleeping capacity
9
Weight
20,400 lbs
Condition
New
Stock #
22348
VIN
1UJCGSCV8T18M0070
Additional Specifications
Powertrain
Dimensions & Weight
Tank Capacities
Location
Showing dealer's exact location.
Location
Souderton, PA
Frequently Asked Questions
How much does a 2026 Jayco Seismic cost?
This 2026 Jayco Seismic is listed at $89,989. The average Toy Hauler listing on TrueRVs is $67,989. Higher pricing may reflect lower mileage, better condition, or additional features.
What type of RV is the Jayco Seismic?
The Seismic is a Toy Hauler. It measures 46 feet in length. It has 3 slide outs for additional living space when parked. Toy haulers feature a built-in garage area for motorcycles, ATVs, or other gear.
How many people does the Jayco Seismic sleep?
The Seismic sleeps up to 9, making it one of the higher-capacity options in the Toy Hauler category.
How much does the Jayco Seismic weigh?
At 20,400 lbs, this Seismic is a heavy unit that requires a one-ton truck or larger with a properly rated hitch and brake controller.
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