2019 Jayco Seneca 37K



The Jayco Seneca 37K is a diesel Class C, also called a Super C, that offers a bath and a half with roomy rear full bath that has a 30" by 36" shower and a closet that is prepped for a washer/dryer. The half bath is off the living area and what a living area it is! The L-shaped sofa provides the perfect area for conversation or relaxation in front of the 39" TV and fireplace. The kitchen and dinette area are towards the from and feature a very large pantry, a residential refrigerator, roomy countertop and large, single basin sink. We think you will love the beautiful, and powerful, Seneca 37K!

The Jayco Seneca is loaded with standard features that are options on many other motorhomes. The only option we needed to add was the In Motion Satellite Receiver!

Jayco Seneca 37K Super Class C Motorhome 360 Degree Tour

360 view is of similar unit and may have different options and/or colors.


  • JRide Premium: Rear air suspension, heavy-duty rear stabilizer bar, full air brakes, Bilstein Shocks
  • 15K A/C w/heat pump and 13.5K A/C
  • 2,000-watt pure sine inverter
  • Electric power cord reel with 50-amp service
  • 10-gallon gas/electric water heater
  • Freightliner S2RV chassis
  • Cummins ISB 6.7L 360 HP diesel engine
  • Allison 3000 MH automatic transmission
  • 29,000-pound GVWR
  • 38,000-pound GCWR
  • 12,000-pound hitch with 7-pin plug
  • 100-gallon fuel capacity
  • Dual chassis batteries
  • Alcoa aluminum rims
  • Michelin 275/80R 22.5 tires
  • Engine exhaust brake
  • Auxiliary start switch
  • Onan 8,000-watt Quiet Diesel generator and auto-gen start
  • 56-pound propane tank
  • Black holding tank sprayer
  • Thetford Sani-Con Turbo macerator system
  • LP quick-connect hookup
  • 10-gallon gas/electric water heater
  • Water filtration system
  • Systems monitor panel
  • 12V electrical system with 120V, 80-amp power converter
  • 34,000-BTU auto-ignition furnace with digital wall thermostat


  • Gross Vehicle Weight Rating (lbs): 29000
  • Gross Combined Weight Rating (lbs): 38000
  • Exterior Length: 38' 9"
  • Exterior Width: 101
  • Exterior Height with A/C: 13' 1"
  • Interior Height: 84"
  • Wheel Base: 279
  • Furnace, Auto-ignition (BTU output): 35,000
  • Fresh Water Capacity (gals): 72
  • Water Heater: 10
  • Gray Waste Water Capacity (gals): 51, 40(2nd tank)
  • Black Waste Water Capacity (gals): 40, 23(2nd tank)
  • Fuel Tank Capacity (gals): 100
  • Chassis and Engine Size: Cummins ISB-300 6.7L
  • Sleeping Capacity: TBD
  • Exterior Storage (cu. ft.): TBD

Extra Exterior

  • One-piece seamless fiberglass front cap
  • Dual Pane Frameless windows
  • 12V electric awning with LED lights
  • High-gloss, Gelcoat vacuum-bonded, laminated sidewalls, crowned roof and floor
  • Deluxe full-body paint with Diamond Sheild
  • Bead-foam insulation (R-24 max roof, R-9 max floor and R-8 max walls)
  • One-piece fiberglass cap
  • Fiberglass entrance door with oversized frameless window
  • Keyless entry, touchpad locking system
  • Electric-powered entrance step
  • Slideout awning toppers
  • Dual-pane, tinted, safety-glass windows
  • Exterior entertainment center with AM/FM/CD/DVD player and 39-inch LED TV and 2 speakers
  • Outside shower
  • Hydraulic automatic-leveling jacks
  • Winegard In-motion satellite dish


  • Padded vinyl ceiling
  • Ball-bearing drawer guides
  • Raised panel hardwood cabinetry
  • Deluxe hidden cabinet hinges
  • 2-point lap safety belts on all seating areas
  • Linoleum flooring
  • High-intensity recessed LED ceiling lights
  • Blu-Ray with HDMI connections to all televisions
  • Cable TV hookup with RG-6 coax and video selector switch


  • King-sized bed with bedspread
  • Under-bed storage, bed lifts easily on gas struts (select models)
  • 32" LED HDTV in bedroom
  • Full cab-over bunk (750-pound rating)
  • Bunk beds (300-pound rating) (37FS)


  • Residential medicine cabinet with mirror
  • Porcelain stool with foot pedal
  • One-piece fiberglass shower with glass shower door
  • Skylight in shower with light


  • 21 cu.ft. Residential Refrigerator
  • Convection microwave
  • Solid-surface countertops with decorative backsplash
  • Jayco-exclusive easy operation legless dinette table


  • Soundstream Infotainment Dash Radio w/GPS and CD/DVD Player
  • Backup/sideview cameras with monitor
  • Ultra Leather Driver Passenger Seats
  • Deluxe heated, remote-control, sideview mirrors
  • Privacy curtains for cab area

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