# 2026 Jayco Seismic 399

New 2026 Jayco Seismic 399 for sale at Zoomers RV in Ina, IL.

## Summary

- Condition: New
- Status: In stock
- Year: 2026
- Make: Jayco
- Model: Seismic
- Floorplan: 399
- Type: Fifth Wheel (Toy Hauler)
- VIN: 1UJCGSCV6T18M0181
- Stock number: Z2989

## Price

- Price: $92,000
- MSRP: $140,004

Taxes, title, registration and any dealer fees are not itemized here; confirm the final price with the dealership.

## Specifications

- Length: 45' 11"
- Width: 8'
- Exterior height: 13' 2"
- Interior height: 8' 3"
- Sleeps: 9
- Slide-outs: 3
- Dry weight: 14,950 lbs
- GVWR: 20,400 lbs
- Hitch weight: 3,370 lbs
- Fresh water: 106 gal
- Gray water: 87 gal
- Black water: 87 gal
- Axles: 3
- Air conditioning: 30,000 BTU
- Refrigerator: 17
- Generator: Yamaha 6000 Watt
- Fuel capacity: 30 gal

## Highlights

- Sleeps up to 9 for ample space
- 1.5 bathrooms for convenience
- 3 slide-outs for expanded living area
- 87-gallon black water capacity
- 12-volt refrigerator for efficient cooling

## Description

Introducing the 2026 Jayco Seismic Toy Hauler, a new fifth-wheel that combines luxury and adventure. With a length of 45.92 ft and a dry weight of 14,950 lbs, this model is designed for those who seek the thrill of outdoor activities while enjoying the comforts of home. It accommodates up to 9 people, making it ideal for family outings or trips with friends. The spacious interior layout, equipped with a walk-in shower and generous fresh water capacity of 106 gallons, ensures you have all the conveniences you need. Elevate your camping experience with this exceptional toy hauler. Schedule your tour today!

## Questions

### How much is this 2026 Jayco Seismic 399?
Zoomers RV lists it at $92,000, down from an MSRP of $140,004. Taxes, title, registration and any dealer fees are not itemized here. Confirm the final price with the dealership.

### Is it new or used?
New.

### Where is it?
At Ina, 301 Ina Ave., Ina, IL, 62846.

### How many people does it sleep?
Up to 9.

### How long is it?
45' 11" overall.

### What do I need to tow it?
This toy hauler has a dry weight 14,950 lbs, GVWR 20,400 lbs, hitch weight 3,370 lbs. Choose a tow vehicle rated above the GVWR, and check its hitch and payload ratings too. Zoomers RV can confirm a match for your vehicle.

### What are the tank sizes?
106 gal fresh, 87 gal gray, 87 gal black.

### Can I finance it or trade in my current unit?
Yes. Zoomers RV offers financing and takes trade-ins. Apply or get a trade value on the website, or call (618) 596-6414.

### How do I check it is still available?
Inventory changes daily. Use the contact form on the listing page or call (618) 596-6414 to confirm before visiting.

## Dealer

- Ina
- Address: 301 Ina Ave., Ina, IL, 62846
- Phone: (618) 596-6414

## Photos

- ![2026 Jayco Seismic 399 photo 1](https://images.scout-rv.com/inventory/2b000db8-fbcc-4a60-a1e9-91b3e276ccf6/Z2989/image-002-1774321394573.jpg)
- ![2026 Jayco Seismic 399 photo 2](https://images.scout-rv.com/inventory/2b000db8-fbcc-4a60-a1e9-91b3e276ccf6/Z2989/image-001-1774321394573.jpg)
- ![2026 Jayco Seismic 399 photo 3](https://images.scout-rv.com/inventory/2b000db8-fbcc-4a60-a1e9-91b3e276ccf6/Z2989/image-003-1774321394573.jpg)
- ![2026 Jayco Seismic 399 photo 4](https://images.scout-rv.com/inventory/2b000db8-fbcc-4a60-a1e9-91b3e276ccf6/Z2989/image-004-1774321394573.jpg)
- ![2026 Jayco Seismic 399 photo 5](https://images.scout-rv.com/inventory/2b000db8-fbcc-4a60-a1e9-91b3e276ccf6/Z2989/image-005-1774321394573.jpg)
- ![2026 Jayco Seismic 399 photo 6](https://images.scout-rv.com/inventory/2b000db8-fbcc-4a60-a1e9-91b3e276ccf6/Z2989/image-006-1774321394573.jpg)
- ![2026 Jayco Seismic 399 photo 7](https://images.scout-rv.com/inventory/2b000db8-fbcc-4a60-a1e9-91b3e276ccf6/Z2989/image-007-1774321394573.jpg)
- ![2026 Jayco Seismic 399 photo 8](https://images.scout-rv.com/inventory/2b000db8-fbcc-4a60-a1e9-91b3e276ccf6/Z2989/image-008-1774321394573.jpg)

## Links

- Listing page (canonical): https://www.zoomersrv.com/inventory/new/2026-jayco-seismic-fifth-wheel-399
- Ask about this unit: use the contact form on the listing page, or call (618) 596-6414
- Financing: https://www.zoomersrv.com/financing
- Trade-in value: https://www.zoomersrv.com/trade-in
- All inventory: https://www.zoomersrv.com/inventory.md

Last updated: 2026-11-14