2025 JAYCO SEISMIC 399 - 81349 $85,888

2025 Jayco Seismic 399 - Luxury Toy Hauler with Spacious Garage

Embark on your next adventure with the 2025 Jayco Seismic 399, a luxury fifth-wheel toy hauler that seamlessly blends high-end comfort with rugged durability. Renowned for its commitment to quality and innovation, Jayco has crafted this model to cater to both thrill-seekers and those who appreciate the finer things in life.

Manufacturer's Description

The Jayco Seismic Toy Hauler is ready to take you and your toys wherever the roads lead. Designed for all-weather camping, the Seismic has undergone zero-degree testing in the Dometic freeze chamber, proving you can camp safely and comfortably all year round, even in snowy conditions. Taking it one step further, the Seismic also undergoes weather chamber testing from zero to 1000 F. With Climate ShieldTM zero-degree tested weather protection, the Seismic has a fully enclosed and heated underbelly, double-layered fiberglass batt insulation, and double-sided, bubble-foil radiant barrier insulation for best-in-class results. (jayco.com)

Key Specs & Features

Build & Mobility

• Chassis/Frame: 102-inch wide-body structural steel I-beam construction
• Axles: Dexter(R) Axles with ABS and Tow Assist, including Nev-R-Adjust(R) brakes and E-Z Lube(R) hubs
• Suspension: MORryde(R) CRE 3000 Suspension System
• Leveling System: 6-point hydraulic auto-leveling system

Dimensions & Capacities

• Exterior Length (overall): 45' 11"
• Exterior Width: 8' 6"
• Exterior Height (with A/C): 13' 2"
• Interior Height (main): 8' 3"
• Garage Length: 13' 6"
• Unloaded Vehicle Weight (UVW): 14,950 lbs
• Gross Vehicle Weight Rating (GVWR): 20,400 lbs
• Cargo Carrying Capacity (CCC): 5,450 lbs
• Fresh Water Capacity: 106 gallons
• Gray Water Capacity: 87 gallons
• Black Tank Capacity: 87 gallons
• Propane Capacity: 60 lbs
• Sleeping Capacity: Up to 6
• Number of Slideouts: 3

Interior & Comfort

• Living Area: Corner sofa, massage, and LED lighting
• Kitchen: Microwave, oven, refrigerator
• Bedroom: Space for a king-sized bed and under-bed storage
• Bathroom: Toilet, vanity, stand up shower in full bathroom; half bath with toilet and sink in garage area
• Climate Control: Three air conditioners
• Additional Features: LED fireplace, washer/dryer prep

This exceptional 2025 Jayco Seismic 399 is available at RV Depot, a family-owned and operated dealership in Cleburne, Texas. Known for our massive inventory and personalized service, we are committed to helping you find the perfect RV to suit your lifestyle.

For more detailed information, you can refer to the official manufacturer brochure: (jayco.com)

Please note that specifications and features are subject to change. For the most current information, please contact RV Depot directly.