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New 2026 Jayco Seismic 399

Stock # ON ORDER 399
Price $138,611.00
GVWR 20,400 lb
Length 45' 11"
Sleep Capacity 9
Floorplan 399

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Description


- MSRP subject to change by manufacturer - 

Customer Value Package, Five Star Handling Package, Half Bath

Added 3RD A/C in Cargo

INVENTORY HIGHLIGHTS:

Coming Soon

On Order

Specifications & Features


Condition:

New

Lot Status:

On order

Sleep Capacity:

9

Water Capacity - Black:

87 gal

Water Capacity - Fresh:

106 gal

Water Capacity - Grey:

87 gal

A/C Spec:

45000 BTU's

# of A/Cs:

3

GVWR:

20,400 lb

Dry Weight:

14,950 lb

Payload Capacity:

5,450 lb

Hitch Weight:

3,370 lb

# of Slideouts:

3

# of Axles:

3

Stock #:

ON ORDER 399

Location:

Duncansville, PA

Year:

2026

Brand:

Jayco

Model:

Seismic

Floorplan:

399

Floorplan Type:

Bath and a Half
Front Bedroom

Secondary Type:

Fifth Wheel

Length:

45' 11"

Width:

8' 6"

Height:

13' 2"

  • 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
  • Horse / Livestock / LQ / Tack
  • Insulated
  • Interior/Furnishings
  • Bunk Beds
  • Free Standing Dinette w/Chairs
  • Medicine Cabinet
  • Queen Bed
  • Roof Vents
  • Shower
  • Toilet

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***Ansley RV is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes applicable sales tax, registration & tags. Manufacturer-provided pictures, specifications and features may be used as needed. Inventory shown may be only a partial listing of the entire inventory. ***

2026 Jayco Seismic 399 Gallery

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