Zoomers RV

2026 Jayco Seismic Toy Hauler 399

2026 Jayco 2026 Jayco Seismic Toy Hauler - image 1
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Layout & Media

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2026 Jayco Seismic Toy Hauler 399 floorplan

Complete Fifth Wheel Specifications

2026 Jayco Seismic Toy Hauler Overview

Introducing the 2026 Jayco Seismic Toy Hauler, a new fifth-wheel designed for adventure seekers and families alike. With a spacious layout that comfortably sleeps up to 9, this impressive RV boasts a length of 45.92 ft, a dry weight of 14,950 lbs, and a GVWR of 20,400 lbs, making it easy to tow and maneuver. Featuring three slides for added space, a walk-in shower, and a 30,000 BTU air conditioning system, the Seismic ensures comfort in any climate. Its robust black water capacity of 87 gallons and fresh water capacity of 106 gallons allow for extended trips off the grid. Schedule your tour today!

Premium Features & Highlights

Sleeps 9 for Family Adventures
45.92 ft Length for Spacious Living
30,000 BTU Air Conditioning for Year-Round Comfort
Walk-In Shower for Luxury Convenience
3 Slides for Extra Space and Comfort
Select a category to view specs

Overview

Vehicle Identification & Details

9 specifications available

Category
Fifth Wheel
Condition
new
Floorplan
399
Make
Jayco
Model
Seismic Toy Hauler
Stock Number
9894
Subcategory
toy-hauler
VIN
1UJCGSCV7T18M0187
Year
2026

Size & Weight

Dimensions, Weight, Construction & Exterior

13 specifications available

Dry Weight
14,950 lbs
GVWR
20,400 lbs
Length
45.92 ft
Exterior Height
13.17 ft
Interior Height
8.25 ft
Width
8 ft
Awning Length Ft
21 ft
Awnings Count
3
Doors Count
1
Primary Color
White
Secondary Color
Titanium, Metallic Red, Charcoal, Metallic Copper, Metallic Blue Full Body Paint Choices
Slides
3

Sleeping & Layout

Beds, Layout, Living & Comfort

13 specifications available

Available Beds
Queen
Bunk Beds Count
1
Convertible Beds Count
0
Double Beds Count
0
Full Beds Count
0
King Beds Count
0
Loft Beds Count
1
Primary Bedroom Location
Front
Queen Beds Count
0
Sleeps
9
Has Primary Bedroom Window Shades
Yes
Recliners Count
0

Kitchen & Dining

Cooking, Dining & Appliances

4 specifications available

Microwave
Yes
Stovetop Burners
3
Refrigerator Size
17
Refrigerator Type
12 Volt

Bathroom & Facilities

Comfort & Privacy

4 specifications available

Bathrooms Count
1.5
Has Bathroom Vent
Yes
Has Medicine Cabinet
Yes
Shower Type
Walk-In Shower

Water Systems

Tanks & Plumbing

9 specifications available

Black Water Capacity
87 gal
Black Water Tanks Count
1
Fresh Water Capacity
106 gal
Fresh Water Tanks Count
1
Gray Water Capacity
87
Gray Water Tanks Count
1
Has Water Heater Bypass
Yes
Water Heater Capacity Gallons
16 gal
Water Heater Type
Gas/Electric DSI

Power & Electrical

Electrical, Entertainment & Safety

12 specifications available

Generator Type
Yamaha 6000 Watt
Ac Prewiring
Yes
Cable Prewiring
Yes
Electrical Service
50 amp
Has Battery Converter
Yes
Heat Prewiring
Yes
Satellite Prewiring
Yes
Tv Antenna Prewiring
Yes
Washer Dryer Prewiring
Yes
Radios Count
0
Televisions Count
0
Tv Info
LR 4K Smart LED HDTV

Climate Control

Heating & Cooling

2 specifications available

Ac Btu
30,000 BTU
Heater Btu
35,000 BTU

* Vehicle specifications listed to the best of our knowledge. All specifications, features, and information are provided by the manufacturer. Zoomers RV is not responsible for manufacturer defects, specification changes, or recalls. Buyers should verify all information directly with Zoomers RV.

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Built to Last

Superior construction for years of adventures
Frame & Structure

14,950 lbs Dry Weight

Easy to tow with most mid-size trucks and SUVs.

Plumbing

106-Gallon Fresh Water Capacity

Extended off-grid capability for longer trips.

Plumbing

87-Gallon Black Water Capacity

Convenience for extended stays without frequent dumping.

Ready for Your Next Adventure?

Experience the freedom of the open road with your next RV adventure

Payment Calculator

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from $689/mo
Estimated • 20% down

Schedule Tour

See this RV in person at our showroom

Showroom Hours
Mon-Fri: 9AM-6PM
2503 E. State Rd. 524 Wabash, IN 46992

Trade-In Value

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Trade Evaluation

Dealer assessment

Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. We are not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.
$108,995
est $832/mo