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Condition: New
Exterior Length: 45 ft 11 in
Sleeps: 9
Number of Slide Outs: 3
Gross Vehicle Weight: 20,400 lb
Number of Axles: Tri
Description: New 2026 Jayco Seismic 399
Details: Jayco Seismic toy hauler 399 highlights: Party Deck Queen Bed with Convertible Sofas Overhead Garage Loft wit...
Updated: Tuesday, October 06, 2026 03:51 PM
Seller: Blue Compass RV of Bowling Green
Condition: New
Exterior Length: 45 ft 11 in
Sleeps: 9
Number of Slide Outs: 3
Gross Vehicle Weight: 20,400 lb
Number of Axles: Tri
Description: New 2026 Jayco Seismic 399
Details: Jayco Seismic toy hauler 399 highlights: Party Deck Queen Bed with Convertible Sofas Overhead Garage Loft wit...
Updated: Tuesday, October 06, 2026 03:59 PM
Seller: Blue Compass RV of Bowling Green
Condition: New
Exterior Length: 45 ft 11 in
Sleeps: 9
Number of Slide Outs: 3
Gross Vehicle Weight: 20,400 lb
Number of Axles: Tri
Description: New 2026 Jayco Seismic 399
Details: Jayco Seismic toy hauler 399 highlights: Party Deck Queen Bed with Convertible Sofas Overhead Garage Loft wit...
Updated: Sunday, October 11, 2026 06:49 AM
Seller: Blue Compass RV - Cincinnati
Condition: New
Exterior Length: 45 ft 2 in
Sleeps: 9
Number of Slide Outs: 3
Gross Vehicle Weight: 21,000 lb
Number of Axles: Tri
Description: New 2027 Jayco Seismic 399
Details: Jayco Seismic toy hauler 399 highlights: Party Deck Queen Bed with Convertible Sofas Overhead Garage Loft wit...
Updated: Wednesday, October 14, 2026 09:06 AM
Seller: Liberty Trail RV - Sulphur Springs
Condition: New
Exterior Length: 45 ft 2 in
Sleeps: 8
Number of Slide Outs: 3
Number of Axles: Tri
Fresh Water Tank Capacity: 106 gal
Description: Experience the adventure with the new 2027 Jayco Seismic 399, a spacious fifth wheel perfect for families or groups, sleeping up to 8 comfortably. ...
Updated: Friday, October 16, 2026 06:18 AM
Seller: A & L RV Sales - Richmond
Condition: New
Exterior Length: 46 ft 9 in
Sleeps: 9
Number of Slide Outs: 3
Gross Vehicle Weight: 20,400 lb
Number of Axles: Tri
Description: New 2026 Jayco Seismic 399
Details: Jayco Seismic toy hauler 399 highlights: Party Deck Queen Bed with Convertible Sofas Overhead Garage Loft wit...
Updated: Thursday, October 15, 2026 08:45 AM
Seller: Vogt RV World
Condition: New
Exterior Length: 45 ft 11 in
Sleeps: 9
Number of Slide Outs: 3
Gross Vehicle Weight: 20,400 lb
Number of Axles: Tri
Description: New 2026 Jayco Seismic 399
Details: Jayco Seismic toy hauler 399 highlights: Party Deck Queen Bed with Convertible Sofas Overhead Garage Loft wit...
Updated: Wednesday, September 16, 2026 03:46 AM
Seller: Petes RV - Connecticut
Condition: New
Exterior Length: 45 ft 11 in
Sleeps: 9
Number of Slide Outs: 3
Gross Vehicle Weight: 20,400 lb
Number of Axles: Tri
Description: New 2026 Jayco Seismic 399
Details: Jayco Seismic toy hauler 399 highlights: Party Deck Queen Bed with Convertible Sofas Overhead Garage Loft wit...
Updated: Monday, September 21, 2026 06:45 AM
Seller: Seven O's RV Sales
Condition: New
Exterior Length: 45 ft 11 in
Sleeps: 9
Number of Slide Outs: 3
Number of Axles: Tri
Fresh Water Tank Capacity: 106 gal
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 ...
Updated: Thursday, October 01, 2026 06:06 AM
Seller: Zoomers RV - Illinois
Condition: New
Exterior Length: 45 ft 11 in
Sleeps: 9
Number of Slide Outs: 3
Gross Vehicle Weight: 20,400 lb
Number of Axles: Tri
Description: New 2026 Jayco Seismic 399
Details: Jayco Seismic toy hauler 399 highlights: Party Deck Queen Bed with Convertible Sofas Overhead Garage Loft wit...
Updated: Thursday, September 24, 2026 06:47 AM
Seller: Blue Compass RV - New Carlisle
Condition: New
Exterior Length: 45 ft
Sleeps: 8
Number of Slide Outs: 3
Gross Vehicle Weight: 20,400 lb
Fresh Water Tank Capacity: 106 gal
Description: Consumers, please be aware that if you are purchasing a NEW Motorized OR Non-Motorized Recreational Vehicle from any Kunes RV dealership there will...
Updated: Tuesday, October 20, 2026 03:06 AM
Seller: Kunes Freedom RV
Condition: New
Exterior Length: 45 ft
Sleeps: 8
Number of Slide Outs: 3
Gross Vehicle Weight: 20,400 lb
Fresh Water Tank Capacity: 106 gal
Description: Consumers, please be aware that if you are purchasing a NEW Motorized OR Non-Motorized Recreational Vehicle from any Kunes RV dealership there will...
Updated: Tuesday, October 20, 2026 03:05 AM
Seller: Kunes RV of Green Bay
Condition: New
Exterior Length: 45 ft 11 in
Sleeps: 9
Number of Slide Outs: 3
Gross Vehicle Weight: 20,400 lb
Number of Axles: Tri
Description: New 2026 Jayco Seismic 399
Details: Jayco Seismic toy hauler 399 highlights: Party Deck Queen Bed with Convertible Sofas Overhead Garage Loft wit...
Updated: Tuesday, September 01, 2026 09:57 AM
Seller: Camper Liquidators - Maine
Condition: New
Exterior Length: 45 ft 11 in
Sleeps: 9
Number of Slide Outs: 3
Gross Vehicle Weight: 20,400 lb
Number of Axles: Tri
Description: New 2026 Jayco Seismic 399
Details: Jayco Seismic toy hauler 399 highlights: Party Deck Queen Bed with Convertible Sofas Overhead Garage Loft wit...
Updated: Thursday, September 03, 2026 06:49 AM
Seller: Blue Compass RV - Fort Wayne
Condition: New
Exterior Length: 45 ft 11 in
Sleeps: 9
Number of Slide Outs: 3
Gross Vehicle Weight: 20,400 lb
Number of Axles: Tri
Description: New 2026 Jayco Seismic 399
Details: Jayco Seismic toy hauler 399 highlights: Party Deck Queen Bed with Convertible Sofas Overhead Garage Loft wit...
Updated: Friday, October 09, 2026 06:51 AM
Seller: Blue Compass RV - Nashville
Condition: New
Exterior Length: 45 ft 11 in
Sleeps: 9
Number of Slide Outs: 3
Number of Axles: Tri
Fresh Water Tank Capacity: 106 gal
Description: Introducing the 2026 Jayco Seismic Toy Hauler, a new fifth-wheel designed for adventure seekers and families alike. With a spacious layout that com...
Updated: Friday, October 02, 2026 06:06 AM
Seller: Zoomers RV
Condition: New
Exterior Length: 45 ft 11 in
Sleeps: 9
Number of Slide Outs: 3
Gross Vehicle Weight: 20,400 lb
Number of Axles: Tri
Description: New 2025 Jayco Seismic 399
Details: Jayco Seismic toy hauler 399 highlights: Party Deck Queen Bed with Convertible Sofas Overhead Garage Loft wit...
Updated: Friday, October 02, 2026 09:52 AM
Seller: Youngblood's RV & Outdoor
