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Have a look at this beautiful bath and a half toy hauler fifth wheel from Jayco. With a 12.5 foot garage, optional party deck, and attached half-bath, the Seismic 3512 has room to take your toy and a place to enjoy outdoor relaxation. The reclining sofa in the living area faces the 50" TV. The kitchen has a hutch and kitchen island, plus roomy pantry. The bedroom has a slide-out wardrobe so there is plenty of storage, and the attached master bath offers a roomy corner shower and spacious linen closet. Come see the Seismic 3512 and other toy haulers today at Camperland of Oklahoma in Tulsa!

Factory Added Options

  • PARTY Deck with "Quick Set" Folding Rails, Rear Entry Steps and Electric Awning
  • Three Season Removable Garage Wall
  • Serta King-sized Mattress
  • 21 cu. ft. Residential Refrigerator
  • 15,000 BTU Drop-In Cargo A/C
  • Sani-con Turbo Waste Management System
  • Extreme Weather Package


  • Unloaded Vehicle Weight (lbs): 13,970*
  • Cargo Carrying Capacity (lbs): 3,480*
  • Gross Vehicle Weight Rating (lbs): 17,450
  • Dry Hitch Weight (lbs): 3,340*
  • Exterior Height w/ A/C: 13' 2"
  • Exterior Width: 8' 6"
  • Interior Height: 8' 3"
  • Interior Height (Bedroom): 6' 4"
  • Awning length: 15'
  • Garage Length: 12' 6"
  • Fresh Water Capacity (gals): 102
  • Gray Water Capacity (gals): 50+ 37 (secondary)
  • Black Tank Capacity (gals): 50+ 37(secondary)
  • Water Heater: 10
  • # of outside storage compartments: 2
  • Furnace BTU: 40,000
  • Sleeping Capacity: 6-7
  • Tire Size: 16" Goodyear Tires (Made in the USA)
  • *Weights based on averages.

Exterior Features

  • Wide Body Structural Steel I-Beam Construction
  • Stronghold VBM aluminum framed and vacuum bond laminated gel-coated fiberglass exterior walls (including rear wall and slide room end walls)
  • Magnum Truss XL6 Roof System (strongest tested roof in the industry) with one piece, seamless DiFlexII material
  • Climate Shield zero-degree tested weather protection
  • Fully enclosed and heated underbelly (ducted)
  • Double layer fiberglass batt insulation (roof, floor, cap, and slide room floors)
  • PEX plumbing
  • JaySMART (Safety Markers And Reverse Travel) LED lighting (patent-pending)
  • Painted fiberglass front cap with built-in specialty LED lighting
  • Custom automotive-grade vinyl exterior graphics package
  • LED exterior lighting package
  • Detachable Powersmart LED shore power cord
  • Pass-through storage with Slam-latch baggage doors
  • Fully enclosed, LED-lit Nautilus universal docking center
  • Under-mounted spare tire (Goodyear Endurance tires- Made in USA)
  • Folding roof ladder

Interior Features

  • Solid hardwood slide fascia
  • Handcrafted and glazed doors, drawers and trim
  • Soft close, heavy-duty, 75 lb. full extension, steel ball-bearing drawer glides
  • 5/8 in. tongue-and-groove joined plywood floor decking
  • Shaw vinyl flooring (Made in USA, standard minimal carpeting)
  • LED interior lighting throughout
  • Central command center with built-in tank monitoring
  • Dual USB charging ports
  • 12V charging station
  • Extra 110V power outlets in kitchen and slide rooms
  • Hardwood safety handrail on steps
  • Bathroom hallway window
  • Carbon monoxide and LP detector

Power, HVAC, Water, and Plumbing

  • 40,000 BTU output furnace
  • HELIX Cooling System (Industry exclusive)
  • Exterior-mounted 15,000 BTU "Whisper Quiet" A/C unit
  • Jayco exclusive insulated dual duct design
  • Directional and closeable A/C vents
  • Larger return air vents with use accessible filters
  • Dual 30 lb. propane bottle with auto regulator
  • Selectable water connections
  • Quick-connect outside shower
  • Black tank flush
  • Winterization and sanitation
  • Water heater bypass
  • Battery disconnect
  • LP quick connect (outside grill prep)


  • Digital TV antenna with Wi-Fi extender
  • Exterior marine-grade speakers
  • Independent satellite and whole coach cable hookups

Bedroom Features

  • Residential quilted bedspread and pillows
  • Gas-strutted under-bed storage
  • CPAP prepped bedroom

Bathroom Features

  • Bathroom skylight
  • LED backlit medicine cabinet with mirror
  • Bathroom stone and glass tile backsplash
  • Porcelain foot flush toilet

Kitchen Features

  • Stainless steel kitchen sink
  • Residential-grade, pullout kitchen faucet
  • 18 cu. ft. Norcold Polar Max 2-way refrigerator with ice maker

Living Room Features

  • SuperSofa with heat, massage and LED lighting
  • LED fireplace with 5,000 BTU electric space heater

Garage Features

  • Hinged spring-assist, radius-cornered ramp door, 2,500 lb. capacity, 93-3/8 in. wide opening with anti-slip, non-skid flooring
  • LED high-intensity ramp lights
  • Tuff-ply, rubberized garage floor liner
  • 2 in. block-foam insulated garage door
  • Garage D-rings mounted to steel frame
  • 24 x 72 in. garage entry door with step light
  • Vent ports and tinted power roof vent
  • HappiJack electric-lift Queen beds/convertible sofas with folding armrests and cup holders
  • Pull-down ramp door screen
  • Dual 30 gal. fuel tanks with timer (1 dedicated to generator)

Customer Value Package (Mandatory)

  • Equalizer Hydraulic 6-point auto-leveling system with oversized foot pad
  • JAYCOMMAND "Smart RV" system powered by BMPro
  • Drinking Water System (patent-pending)
  • MORryde StepAbove entrance steps (main entrance) with blue LED light
  • 15,000 BTU "Whisper Quiet" A/C
  • 2nd 15,000 BTU A/C ducted in bedroom
  • Dual electric patio awning with integrated LED lights
  • 10 gal. quick recovery gas/electric DSI water heater (20 gal. per hour)
  • Residential Queen (60 x 80 in.) Serta mattress with under-bed storage
  • Central vacuum system
  • Convection microwave
  • Custom machined aluminum rims
  • LED HDTV with fully digital HDMI output
  • Dual Mode 12V AM/FM/CD/DVD/USB A/V system with Bluetooth and HDMI
  • Integrated sound bar
  • Stainless steel range with glass cover
  • Bellavati solid-surface kitchen countertop with bamboo sink cover and strainer
  • MCD day/night roller shades in living room
  • 32 in. bedroom TV
  • Oversized 36 in. wide residential shower (selected models)
  • Washer/dryer prep
  • Keyed Alike lock system (single key for all doors/locks)
  • XL grab handle
  • Rooftop and ground solar prep by Go Power
  • Wireless backup/rear view camera kit
  • Cellular prep for antennae and JAYCOMMAND "Smart RV" system
  • Tire Pressure Monitoring System
  • Lamilux high glass exterior sidewalls
  • Frameless, dark tinted, safety glass windows
  • 5,500 W Onan gas generator (CARB-certified)

5-Star Handling Package (Mandatory)

  • Goodyear Endurance tires (Made in USA, Load Range 'E')
  • MORryde pin box
  • Dexter axles with Nev-R-Adjust brakes and E-Z Lube hubs
  • MORryde CRE-3000 rubberized suspension
  • Wet bolt fastener and bronze bushings
Stock # 20-19722N
Location Camperland of Oklahoma
Year 2020
Make Jayco
Model Seismic
Trim 3512
Condition NEW
Status SOLD


Class Toy Hauler Fifth Wheel
Secondary Class Toy Hauler
Slide(s) 3
Sleeps 7
Weights, Dimensions & Capacities
Hitch Weight (lbs) 3480
Dry Weight (lbs) 13970
Gross Weight (lbs) 17450
Length 41' 8"
Fresh Water (gal) 102
Gray Water (gal) 50 plus 37
Black Water (gal) 50 plus 37
Options & Features
Construction, Safety & Power
Mileage 0

PLEASE NOTE: We strive to keep our inventory up-to-date and as accurate as possible, however, we cannot guarantee the accuracy of our on-line descriptions or photos. Camperland of Oklahoma is not financially responsible for any discrepancies. Please contact your salesperson with any specific questions about features and specs of the unit you are purchasing. All sales prices are priced without allowance for trades and do not include freight, prep, or doc fees.

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