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Used 2025 Jayco Seismic 399

Toy Hauler Fifth Wheel|Richmond, VA| Stock# 358818

$84,995

$569/mo.*

Retail: $89,999

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Jayco Seismic 399 toy hauler fifth wheel highlights:

  • 13' Garage
  • Party Deck
  • King Bed
  • Loft Area
  • Triple Axle

Need a toy hauler that combines garage space with luxury living?! The large rear garage features opposing sofas with a removable table, a drop-down bed system, and a ramp door that converts into a party deck, giving you a versatile space for hauling gear or relaxing. The main living area includes a tri-fold sofa across from the entertainment space, while the kitchen offers a residential refrigerator, solid counter space, and a pull-out pantry for easy meal prep.

The private front bedroom features a king bed, walk-in closet, and washer/dryer prep for extended trips. A full bathroom with a walk-in shower is centrally located for convenience, and the loft above the garage adds extra sleeping space. With multiple awnings, exterior storage, and a large cargo area, this unit is built for both adventure and comfort on longer stays.

Overview

Jayco Seismic 399 toy hauler fifth wheel highlights:

  • 13' Garage
  • Party Deck
  • King Bed
  • Loft Area
  • Triple Axle

Need a toy hauler that combines garage space with luxury living?! The large rear garage features opposing sofas with a removable table, a drop-down bed system, and a ramp door that converts into a party deck, giving you a versatile space for hauling gear or relaxing. The main living area includes a tri-fold sofa across from the entertainment space, while the kitchen offers a residential refrigerator, solid counter space, and a pull-out pantry for easy meal prep.

The private front bedroom features a king bed, walk-in closet, and washer/dryer prep for extended trips. A full bathroom with a walk-in shower is centrally located for convenience, and the loft above the garage adds extra sleeping space. With multiple awnings, exterior storage, and a large cargo area, this unit is built for both adventure and comfort on longer stays.

Specifications

Specifications

RV Details

  • Sleeps7
  • Slides3
  • Length45 ft. 2 in.
  • Width8 ft. 6 in.
  • Height13 ft. 3 in.
  • GVWR20400 lbs.
  • VIN1UJCGSCVXS18M0232

Tanks & HVAC

  • Fresh Water106 gal.
  • Black Water87 gal.
  • Gray Water87 gal.
  • Propane2 Tank(s) | 60 gal.
  • AC30000 BTU
  • Heat40000 BTU
  • Water Heatertankless
  • Electrical50 amps

Appliances

  • Awnings2 | Power awning w/ LED Lights
  • BedsKing
  • Bunks1
  • Showerwalk_in_shower
  • Refrigerator18
  • Cooktops | Microwave3 | No
  • Washer/Dryer PreppedNo

Can you tow this RV?

Understanding your vehicle's towing capacity rating is critical to choosing the right RV for you and your family. Towing your next RV safely down the road will depend on having the right tow vehicle and RV combination. Use our handy towing guide below to help find your vehicle's towing capacity and filter our RV inventory down to RVs you can tow. View Tow Guide >

Attention: Your vehicle's max towing capacity includes passenger weight, added accessories, any current liquids in tanks, and any cargo you've added such as food, clothes, chairs, grills, games, tools, etc.. For purposes of RVs I can Tow, we've allowed 1000 lbs for RVs over 8000 lbs, 750 lbs for RVs under 8000 lbs, and 500 lbs for RVs under 5000 lbs for average Cargo Weight. Always confirm your specific tow vehicles towing capacity directly from your vehicle's manufacturer before purchasing or towing an RV. You are responsible for the decision to operate your vehicle and any RV you may tow. If your specific vehicle is not listed, please contact us for assistance.

General RV works hard to ensure the accuracy of all its listings however we are not responsible for any misprints, typos, or errors found in our website pages. Manufacturer-provided pictures, specifications and features may be used as needed. Inventory shown may be only a partial listing of the entire inventory. Please contact us at 888-436-7578 for availability as our inventory changes rapidly.

*All RV prices exclude tax, title, registration and fees, including documentary service fees. All payments are with approved credit through dealer lending source. Advertised monthly payment is based on 20% cash down, plus tax, title, registration and fees, at 7.99% APR for 96 months on finance amounts under $10K, at 7.99% APR for 144 months on finance amounts from $10K to $25K, at 7.99% APR for 180 months on finance amounts from $25K to $50K, and at 7.99% APR for 240 months on amounts over $50K. $79 monthly payment based on purchase price of $9,999 with 20% down at 8.24% APR for 218 months. $439 monthly payment based on purchase price of $69,995 with 20% down, at 6.49% APR for 240 months. For select models only. Rate and payments are subject to change at any time. Conditions apply. See dealer for details.