Luxury Features & Specs
Jayco Seneca 37L Bunk Model Super C
Chassis & Performance
- Chassis: Freightliner® S2RV Plus
- Engine: Cummins® ISB 6.7 L turbo-diesel, 360 hp / 800 lb-ft torque
- Transmission: Allison® 3000 MH automatic
- GVWR / GCWR: 31,000 lb / 43,000 lb
- Towing Capacity: 12,000 lb hitch receiver
- Tires/Wheels: 275/80R22.5G G-rated, Alcoa® aluminum wheels
- Suspension: JRide® Premium – includes air suspension, SACHS shocks, full air brakes,
rear stabilizer bar, and computer-balanced driveshaft
Dimensions & Capacities
- Exterior Dimensions: 39′ 4″ L × 8′ 5″ W (12′ 11″ with slides) × 13′ 4″ H
- Interior Height: 7′ 0″
- Fresh Water Capacity: 72 gal
- Gray Water Capacity: 81 gal
- Black Water Capacity: 50 gal
- Fuel Tank: 100 gal diesel
- DEF Tank: 10 gal
- Propane Tank: 24.5 gal (83 lb)
- Exterior Storage: 157 cu ft in 8 locking pass-through compartments
Sleeping & Living
Sleeping Capacity: Up to 9
Bed Configuration:
- Rear walk-around king bed with power headboard
- Two mid-coach bunk beds (each rated for 300 lb)
- Overhead cab bunk (rated for 750 lb)
- Convertible dinette and theater seating
Master Bedroom: Nightstands with USB ports, wireless charging, overhead cabinets, and 32″ LED TV
Kitchen & Appliances
- Refrigerator: Residential-style stainless steel
- Cooking: Two-burner induction cooktop and convection microwave
- Sink: Recessed stainless steel
- Countertops: Solid-surface with ample workspace
Bathroom & Utilities
- Shower: 30″ × 36″ glass-door with skylight
- Toilet: Porcelain foot-flush
- Black Tank System: Integrated flush system with Thetford® Sani-Con Turbo macerator
- Water Heater: Aqua-Hot® 250D hydronic heating with continuous hot water
Climate Control:
- Dual 15,000 BTU A/C units with heat pumps
- 30,000 BTU furnace
- Hydronic heated flooring
Electrical & Generator
Generator: Onan® 8,000-watt Quiet Diesel Generator
- Diesel-powered (draws from main fuel tank)
- Quiet operation
- Auto-generator start feature based on battery or temperature settings
- Integrated with Firefly control system for remote monitoring
Inverter: 2,000-watt
Battery System: Four 6V AGM house batteries
Solar: 200-watt roof-mounted solar panel with controller
Shore Power: 50-amp service with power cord reel
Exterior Features
- Construction: StrongholdVBL™ vacuum-bonded walls and roof with bead-foam insulation (up to R-24)
- Roof: One-piece fiberglass with crowned design
- Windows: Dual-pane, tinted, frameless
- Awning: 19′ 8″ Girard® power awning with LED lighting
- Exterior Entertainment: 50″ swivel-mounted LED TV, outdoor speakers, satellite prep, and in-motion antenna
Interior Features
Flooring: Durable vinyl plank
Lighting: LED recessed
Entertainment:
- 50″ living room TV
- JBL® premium audio system
- Electric fireplace
Technology & Controls:
- Firefly® touchscreen multiplex system with mobile app
- Sony® infotainment center with Apple CarPlay® & Android Auto™
- Backup and side-view cameras
Safety & Convenience
- Automatic hydraulic leveling jacks
- Power entry step with travel-view window
- Seatbelts in all designated seating positions
- Child car-seat tethers
- Smoke, CO, and propane gas detectors
- Fire extinguisher
- Emergency egress window
The 2025 Jayco Seneca 37L Bunk Model Super C RV blends rugged diesel power with luxury living, making it the ideal choice for families and extended travelers. Built on the reliable Freightliner S2RV chassis and powered by a 360HP Cummins diesel engine, this coach delivers confident performance and a smooth ride, thanks to Jayco’s exclusive JRide Premium suspension system.
Inside, it comfortably sleeps up to nine with a king-size bed, bunk beds, a large cab-over bunk, and convertible living space. The residential-style kitchen is equipped with stainless appliances, solid-surface countertops, and generous storage. The spacious bathroom includes a porcelain toilet, decorative glass-door shower, and Aqua-Hot hydronic heating with heated flooring for true four-season comfort.
The Seneca 37L is just as impressive on the outside, featuring full-body paint, dual-pane windows, an exterior entertainment center, and over 150 cubic feet of lockable storage. Solar panels, a diesel generator, and robust utility systems make off-grid camping easy and convenient.
Whether you’re heading out for weekend adventures or cross-country road trips, the Jayco Seneca 37L offers the comfort of home and the performance of a true diesel Super C.
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Rates & Fees
Daily Rate: $500.00
Cleaning Fee: $400.00
Refundable Deposit: $1,500.00
Delivery Mileage Rate: $6 per mile
Early Delivery Fee: $200
Early Pickup Fee: $100
Data Plan: $6 per day
*Allowed Mileage per day is 100 Miles, anything over that will be charged at $1 per mile*
Ready to Book?
Check availability and start your next adventure in style.
Book the Jayco SenecaLuxury Features & Specs
Jayco Seneca 37L Bunk Model Super C
Chassis & Performance
- Chassis: Freightliner® S2RV Plus
- Engine: Cummins® ISB 6.7 L turbo-diesel, 360 hp / 800 lb-ft torque
- Transmission: Allison® 3000 MH automatic
- GVWR / GCWR: 31,000 lb / 43,000 lb
- Towing Capacity: 12,000 lb hitch receiver
- Tires/Wheels: 275/80R22.5G G-rated, Alcoa® aluminum wheels
- Suspension: JRide® Premium – includes air suspension, SACHS shocks, full air brakes,
rear stabilizer bar, and computer-balanced driveshaft
Dimensions & Capacities
- Exterior Dimensions: 39′ 4″ L × 8′ 5″ W (12′ 11″ with slides) × 13′ 4″ H
- Interior Height: 7′ 0″
- Fresh Water Capacity: 72 gal
- Gray Water Capacity: 81 gal
- Black Water Capacity: 50 gal
- Fuel Tank: 100 gal diesel
- DEF Tank: 10 gal
- Propane Tank: 24.5 gal (83 lb)
- Exterior Storage: 157 cu ft in 8 locking pass-through compartments
Sleeping & Living
Sleeping Capacity: Up to 9
Bed Configuration:
- Rear walk-around king bed with power headboard
- Two mid-coach bunk beds (each rated for 300 lb)
- Overhead cab bunk (rated for 750 lb)
- Convertible dinette and theater seating
Master Bedroom: Nightstands with USB ports, wireless charging, overhead cabinets, and 32″ LED TV
Kitchen & Appliances
- Refrigerator: Residential-style stainless steel
- Cooking: Two-burner induction cooktop and convection microwave
- Sink: Recessed stainless steel
- Countertops: Solid-surface with ample workspace
Bathroom & Utilities
- Shower: 30″ × 36″ glass-door with skylight
- Toilet: Porcelain foot-flush
- Black Tank System: Integrated flush system with Thetford® Sani-Con Turbo macerator
- Water Heater: Aqua-Hot® 250D hydronic heating with continuous hot water
Climate Control:
- Dual 15,000 BTU A/C units with heat pumps
- 30,000 BTU furnace
- Hydronic heated flooring
Electrical & Generator
Generator: Onan® 8,000-watt Quiet Diesel Generator
- Diesel-powered (draws from main fuel tank)
- Quiet operation
- Auto-generator start feature based on battery or temperature settings
- Integrated with Firefly control system for remote monitoring
Inverter: 2,000-watt
Battery System: Four 6V AGM house batteries
Solar: 200-watt roof-mounted solar panel with controller
Shore Power: 50-amp service with power cord reel
Exterior Features
- Construction: StrongholdVBL™ vacuum-bonded walls and roof with bead-foam insulation (up to R-24)
- Roof: One-piece fiberglass with crowned design
- Windows: Dual-pane, tinted, frameless
- Awning: 19′ 8″ Girard® power awning with LED lighting
- Exterior Entertainment: 50″ swivel-mounted LED TV, outdoor speakers, satellite prep, and in-motion antenna
Interior Features
Flooring: Durable vinyl plank
Lighting: LED recessed
Entertainment:
- 50″ living room TV
- JBL® premium audio system
- Electric fireplace
Technology & Controls:
- Firefly® touchscreen multiplex system with mobile app
- Sony® infotainment center with Apple CarPlay® & Android Auto™
- Backup and side-view cameras
Safety & Convenience
- Automatic hydraulic leveling jacks
- Power entry step with travel-view window
- Seatbelts in all designated seating positions
- Child car-seat tethers
- Smoke, CO, and propane gas detectors
- Fire extinguisher
- Emergency egress window
The 2025 Jayco Seneca 37L Bunk Model Super C RV blends rugged diesel power with luxury living, making it the ideal choice for families and extended travelers. Built on the reliable Freightliner S2RV chassis and powered by a 360HP Cummins diesel engine, this coach delivers confident performance and a smooth ride, thanks to Jayco’s exclusive JRide Premium suspension system.
Inside, it comfortably sleeps up to nine with a king-size bed, bunk beds, a large cab-over bunk, and convertible living space. The residential-style kitchen is equipped with stainless appliances, solid-surface countertops, and generous storage. The spacious bathroom includes a porcelain toilet, decorative glass-door shower, and Aqua-Hot hydronic heating with heated flooring for true four-season comfort.
The Seneca 37L is just as impressive on the outside, featuring full-body paint, dual-pane windows, an exterior entertainment center, and over 150 cubic feet of lockable storage. Solar panels, a diesel generator, and robust utility systems make off-grid camping easy and convenient.
Whether you’re heading out for weekend adventures or cross-country road trips, the Jayco Seneca 37L offers the comfort of home and the performance of a true diesel Super C.
Photo Gallery

Replace

Replace

Replace
Rates & Fees
Daily Rate: $500.00
Cleaning Fee: $400.00
Refundable Deposit: $1,500.00
Delivery Mileage Rate: $6 per mile
Early Delivery Fee: $200
Early Pickup Fee: $100
Data Plan: $6 per day
*Allowed Mileage per day is 100 Miles, anything over that will be charged at $1 per mile*
Ready to Book?
Check availability and start your next adventure in style.
Book the Jayco Seneca