2020 Jayco Seneca 37L King Bed and Bunks/Double Slide

New Class C in Williamstown, New Jersey 08094

  • SALE PENDING - UNDER DEPOSIT!

Just when you thought the best couldn’t get any better… introducing the 2020 Seneca! 

All new, with a redesigned front cap and automotive bonded windshield in the front the 37L is a sharp looking RV. This unit features redesigned tile-like flooring that provides a more residential feel. Opposing slides give the entire family room to relax. Speaking of relaxing, this coach has a king sized bed with an electric tilt mechanism, bunk beds, an overhead cab area rated at 750 lbs, and large hide-a-bed sofa for ample sleeping space! 

Standard driving equipment starts with the Freightliner® S2RV chassis, 29,000-pound GVWR,  38,000-pound GCWR,  powered by the Cummins® ISB 6.7L 360 HP diesel engine,  Allison® 3000 MH automatic transmission, 100-gallon, single-fill between the rails fuel tank and features a  10,000-pound hitch with 7-pin plug. The Seneca is also equipped with JRide® Premium: Computer-balanced driveshaft, SACHS shock absorbers, heavy-duty rear stabilizer bar, full air brakes, rear air suspension. Multiple pass-through storage compartments provide ample space and easy access to large campsite gear. Alcoa® aluminum rims, Michelin® tires, deluxe full-body paint with Diamond Shield™, a fiberglass entrance door with an oversized window and electric-powered entrance steps are just a few of Seneca’s exterior features. 

The 2020 Seneca is loaded with standard features, and also comes with Jayco’s exclusive Customer Value Package, which adds: 2,000 Watt Invertor Backup & Sideview Cameras, Convection Microwave, Electric Awning w/LED Lights, Electric Power Cord Reel, Frameless Windows, Infotainment System, J-Ride Premium, Automatic Leveling Jacks, 50amp Electrical Service, 8KW generator.

SN12790 also has the following factory options: washer/dryer combo, Winegard Trav'lr Satellite Direct RV Dish, and Full Shadow Creek Paint... all backed by Jayco’s 2+3 year warranty!

Please visit, email, or call 856-262-1717 for more details, then get ready to enjoy all the best in your new Jayco Seneca!

  • Appliances
    Convection MicrowaveFurnaceIcemakerResidential RefrigeratorStainless AppliancesStoveStove CoverWasher/Dryer ComboWater Heater
  • Electrical
    50 Amp ServiceAir ConditioningAuxiliary BatteryGenerator
  • Equipment
    Backup CameraBlu-Ray PlayerCD PlayerCO DetectorDVD PlayerGPS NavigationLED HDTVLED LightsLP DetectorSmoke Detector
  • Exterior
    Air Assist SuspensionAutomatic Leveling JacksBackup MonitorExterior SpeakersExternal ShowerFull Body PaintKeyless EntryOutside Entertainment CenterPower AwningPower Entrance StepSkylightSlideoutSlide-out Awning
  • Interior/Furnishings
    Booth DinetteBunk BedsFireplaceGlass Shower DoorHide-A-BedKing Size BedKitchen SinkMedicine CabinetPantryRoof VentsShowerSolid Surface CountertopsToiletWardrobe(s)

Seller Info


White Horse RV Center (Williamstown)

980 N. Black Horse Pike

Williamstown, New Jersey 08094

877-298-4191 Request More Info

Unit Specs

  • Sale Pending
  • Stock #SN12790
  • Year2020
  • ManufacturerJayco
  • Make Jayco
  • Model Seneca
  • Floorplan37L King Bed and Bunks/Double Slide
  • Floorplan LayoutBunk Beds
    Bunk Over Cab
    Mid Kitchen
    Outdoor Entertainment
    Rear Bedroom
  • Type Class C
  • ConditionNew
  • Length39' 4"
  • Width8' 5"
  • MSRP$269,056.00
  • Price Get Price Info
  • ChassisFreightliner S2RV Series
  • Engine ManufacturerCummins
  • Engine ModelIn-line 6.7L 360HP
  • Fuel TypeDiesel
  • Transmission SpecAllison 3000 MH 6-Speed Automatic
  • Interior ColorCambridge
  • Exterior ColorShadow Creek
  • Sleeps10
  • Water Capacity (Fresh)72 gal
  • Water Capacity (Black)50 gal
  • Water Capacity (Grey)81 gal
  • Air Conditioners1
  • Slideouts3
  • # Axles2

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