Allan Dale RVs & Trailers

Information

2026 Jayco Seismic 399

Durability and versatility collide in Jayco Toy Haulers. With numerous models and floorplan options, there is no need to sacrifice comfort for garage space. We offer fifth wheel toy haulers and toy hauler trailers to meet your weight and towing preferences. At Jayco, we understand the meaning of adventure, and we know packing your toys is a part of that. Explore our lineup today and find the perfect Jayco Toy Hauler to elevate your next adventure!

The Seismic Toy Hauler has room for all your toys with its 102-inch wide-body design, and is equipped to get you wherever you want to go. Seismic has a standard ramp patio with rear steps, three-seasons room and a 5.5K generator, 17.5-inch Uniroyal "H" rated tires and 6-point hydraulic landing gear. The Seismic Toy Hauler is warrantied for full-time RV use with Jayco’s 2+3 warranty.

Features may include:

• 102 in. wide body structural steel I-beam construction

• NPS – Powered by Yamaha 6,000 watt generator, gas/C.A.R.B certified

• 6-point hydraulic auto-leveling system

• Battery disconnect switch

• Climate Shield™ zero-degree tested weather protection:

• PEX plumbing

• 35,000 BTU output furnace

• Double layer fiberglass batt insulation in ceiling and floor

• Double sided radiant barrier insulation (roof and floor)

• Fully enclosed and heated underbelly (ducted)

• Custom automotive-grade vinyl exterior graphics package

• Detachable shore power cord

• Digital TV antenna

• Dual 30 lb. propane bottles with auto regulator

• Exterior marine-grade speakers

• Folding roof ladder

• Fully enclosed, LED-lighted universal docking center:

• Black tank flush, winterization and sanitation

• Quick-connect outside shower

• Satellite prep

• HELIX Cooling System™ (industry exclusive):

• Directional and closeable A/C vents

• Jayco-exclusive insulated dual duct design

• Two exterior-mounted 15,000 BTU ducted A/Cs (living room and bedroom)

• JaySMART™ (Safety Markers And Reverse Travel) LED lighting (patented)

• LED exterior lighting package

• LP quick-connect

• Magnum Truss™ Roof System (strongest tested roof in the industry) with one piece, seamless roof material with 20 year warranty

• Painted fiberglass front cap with clear coat and built-in specialty LED lighting

• Pass-through storage with Slam-latch™ baggage doors

• Stronghold VBL™ aluminum framed and vacuum bond laminated gelcoated fiberglass exterior walls and slide room end walls

• Under-mounted spare tire

• Water heater bypass

• 12V charging station

• 5/8 in. tongue-and-groove joined plywood main floor decking and 3/8 in. tongue-and-groove plywood in the roof

• Bathroom skylight

• Carbon monoxide and LP detector

• Central command center with built-in tank monitoring

• Custom interior design - Vintage Farmhouse

• Gas-strutted under-bed storage

• Handcrafted and glazed doors, drawers and trim

• Hardwood safety handrail on steps

• Heavy-duty, 75 lb., full-extension, steel ball-bearing drawer guides

• Inverter pre-wire

• Kitchen faucet with pull-out sprayer

• LED interior lighting throughout

• Porcelain foot flush toilet

• Reside