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Year
2011
Year
2022
Parent Company
Jayco
Parent Company
Thor Industries, Inc.
Generic Type (Primary)
Fifth Wheel
Generic Type (Primary)
Class C
Make
Jayco
Make
Jayco
Display Name
Eagle 321 RLMS
Display Name
Seneca 37M
Manufacturer Country
USA
Manufacturer Country
USA
Introduction Year
2010
Introduction Year
2021
Regional Availability
All Regions
Regional Availability
All Regions
Price
Standard
Price
Standard
MSRP
$53,765
MSRP
$325,800
Basic Warranty (Months)
24
Basic Warranty (Months)
-
Structure Warranty (Months)
24
Structure Warranty (Months)
-
Basic Warranty (Miles/Months)
-
Basic Warranty (Miles/Months)
24000 / 24
Structure Warranty (Months/Miles)
-
Structure Warranty (Months/Miles)
36 / 24000
Roof Warranty (Years)
-
Roof Warranty (Years)
12
Chassis Warranty (Months/Miles)
-
Chassis Warranty (Months/Miles)
36 / 50000
Powertrain Warranty (Months/Miles)
-
Powertrain Warranty (Months/Miles)
36 / 50000
Dimensions
Standard
Dimensions
Standard
Weight
Standard
Weight
Standard
Capacities
Standard
Capacities
Standard
Holding Tanks
Standard
Holding Tanks
Standard
Number Of Fresh Water Holding Tanks
1
Number Of Fresh Water Holding Tanks
1
Number Of Gray Water Holding Tanks
1
Number Of Gray Water Holding Tanks
1
Number Of Black Water Holding Tanks
1
Number Of Black Water Holding Tanks
1
Number Of Propane Tanks
2
Number Of Propane Tanks
1
Length (in/mm/ft/m)
430 / 10922 / 35.8 / 10.9
Length (in/mm/ft/m)
472 / 12000 / 39.33 / 12
Height (in/mm)
156 / 3962.4
Height (in/mm)
160 / 4064
Interior Height (in/mm)
77 / 1955.8
Interior Height (in/mm)
84 / 2133.6
Dry Weight (lbs/kg)
11375 / 5159.7
Dry Weight (lbs/kg)
-
Payload Capacity (lbs/kgs)
3375 / 1530.9
Payload Capacity (lbs/kgs)
-
GVWR (lbs)
14750
GVWR (lbs)
31000
Hitch Weight (lbs)
2350
Hitch Weight (lbs)
-
Total Fresh Water Tank Capacity (gal/l)
87 / 329.3
Total Fresh Water Tank Capacity (gal/l)
72 / 272.5
Total Gray Water Tank Capacity (gal/l)
52 / 196.8
Total Gray Water Tank Capacity (gal/l)
50 / 189.3
Total Black Water Tank Capacity (gal/l)
52 / 196.8
Total Black Water Tank Capacity (gal/l)
50 / 189.3
Propane Tank (s)
Standard
Propane Tank (s)
Standard
Total Propane Tank Capacity (gal/lbs)
14.2 / 60
Total Propane Tank Capacity (gal/lbs)
24.5 / 83
Width (in/mm)
-
Width (in/mm)
101 / 2565.4
Towing Capacity (lbs/kgs)
-
Towing Capacity (lbs/kgs)
12000 / 5443.2
Fuel Capacity (gal/l)
-
Fuel Capacity (gal/l)
100 / 378.5
Storage Capacity (cuft/gal/l)
-
Storage Capacity (cuft/gal/l)
157 / 1009.3 / 4445.6
Construction
Standard
Construction
Standard
Body Material
Aluminum
Body Material
Aluminum
Sidewall Construction
Fiberglass
Sidewall Construction
Fiberglass
Number of Doors
1
Number of Doors
1
Sliding Glass Door
No
Sliding Glass Door
No
Slideouts
Standard
Slideouts
Standard
Number of Slideouts
2
Number of Slideouts
3
Power Retractable Slideout
Yes
Power Retractable Slideout
Yes
Awning
Standard
Awning
Standard
Number of Awnings
1
Number of Awnings
1
Power Retractable Awning
Yes
Power Retractable Awning
Yes
Screened Room
No
Screened Room
No
Slideout Awning
Optional
Slideout Awning
Standard
Leveling Jacks
Standard
Leveling Jacks
Standard
Leveling Jack Type
Front Power / Rear Power
Leveling Jack Type
Front Power / Rear Power
Sky Light
Standard
Sky Light
Standard
Roof Vents
Standard
Roof Vents
Standard
Exterior Ladder
Standard
Exterior Ladder
Standard
Exterior Shower
Standard
Exterior Shower
Standard
Exterior Grille
Optional
Exterior Grille
-
Pass-Thru Storage
Standard
Pass-Thru Storage
Standard
Rear Bumper Drain Hose Carrier
Standard
Rear Bumper Drain Hose Carrier
-
Awning Length (ft/m)
14 / 4.3
Awning Length (ft/m)
23 / 7
Power Retractable Entry Steps
-
Power Retractable Entry Steps
Standard
Kitchen / Living Area
Standard
Kitchen / Living Area
Standard
Kitchen / Living Area Flooring Type
Carpet / Vinyl
Kitchen / Living Area Flooring Type
Vinyl
Kitchen Table Configuration
Bench Seats
Kitchen Table Configuration
Bench Seats
Kitchen Location
Center
Kitchen Location
Center
Living Area Location
Rear
Living Area Location
Front
Layout
Oven / Stove
Layout
Oven / Stove
Number Of Oven Burners
3
Number Of Oven Burners
2
Overhead Fan
Yes
Overhead Fan
Yes
Microwave Oven
Standard
Microwave Oven
Standard
Refrigerator
Standard
Refrigerator
Standard
Refrigerator Size
Mid-Size
Refrigerator Size
Full-Size
Refrigerator Power Mode
Electric / Propane
Refrigerator Power Mode
Electric
Sink / Faucet
Standard
Sink / Faucet
Standard
Sink Cover / Cutting Boards
Standard
Sink Cover / Cutting Boards
Standard
Sofa
Standard
Sofa
Standard
Number Of Sofas
1
Number Of Sofas
1
Sofa Material
Cloth
Sofa Material
Vinyl
Recliners / Rockers
Standard
Recliners / Rockers
Standard
Number Of Recliner / Rockers
2
Number Of Recliner / Rockers
2
Material
Cloth
Material
Vinyl
Beds
Standard
Beds
Standard
Max Sleeping Count
6
Max Sleeping Count
10
Number Of Queen Size Beds
1
Number Of Queen Size Beds
-
Number Of Convertible / Sofa Beds
2
Number Of Convertible / Sofa Beds
2
Master Bedroom
Standard
Master Bedroom
Standard
Master Bedroom Flooring Type
Carpet
Master Bedroom Flooring Type
Vinyl
Master Bedroom Door Style
Conventional Door
Master Bedroom Door Style
Full Sliding Door
Full Size Master Bedroom Closet
Yes
Full Size Master Bedroom Closet
Yes
Master Bedroom Mirror Doors
Yes
Master Bedroom Mirror Doors
Yes
Master Bedroom Shades / Curtains
Yes
Master Bedroom Shades / Curtains
Yes
Master Bedroom Location
Front
Master Bedroom Location
Rear
Bunkhouse
No
Bunkhouse
No
Heated
No
Heated
-
Bed Spreads
Standard
Bed Spreads
Standard
Bathroom
Standard
Bathroom
Standard
Number Of Bathrooms
1
Number Of Bathrooms
1
Bathroom Flooring Type
Vinyl
Bathroom Flooring Type
Vinyl
Bathroom Location
Center
Bathroom Location
Center
Toilet
Standard
Toilet
Standard
Toilet Type
Porcelain
Toilet Type
Porcelain
Shower
Standard
Shower
Standard
Door Type
Plastic / Glass
Door Type
Plastic / Glass
Bathroom Sink
Standard
Bathroom Sink
Standard
Bathroom Medicine Cabinet
Standard
Bathroom Medicine Cabinet
Standard
Bathroom Mirror
Standard
Bathroom Mirror
Standard
Bathroom Vent / Fan System
Standard
Bathroom Vent / Fan System
Standard
Ceiling Fan
Standard
Ceiling Fan
-
Oven Depth (in/mm)
21 / 533.4
Oven Depth (in/mm)
-
Washer / Dryer
-
Washer / Dryer
Optional
Reclining Sofa
-
Reclining Sofa
No
Fireplace
-
Fireplace
Standard
Number Of Full Size Beds
-
Number Of Full Size Beds
1
Number Of King Size Beds
-
Number Of King Size Beds
1
Power Vent Fan
-
Power Vent Fan
Standard
Wheels
Standard
Wheels
Standard
Wheels Composition
Steel
Wheels Composition
Aluminum
Number Of Axles
2
Number Of Axles
1
Tires
Standard
Tires
Standard
Rear Wheel Diameter
16
Rear Wheel Diameter
22.5
Spare Tire
Standard
Spare Tire
-
Spare Tire Location
Exterior Mounted
Spare Tire Location
-
Rear Tire (Full Spec)
16 Inch Wheel
Rear Tire (Full Spec)
Michelin® XZE2 275/80R 22.5
Tire Brand
-
Tire Brand
Michelin®
Front Tire Width
-
Front Tire Width
275
Front Tire Aspect Ratio
-
Front Tire Aspect Ratio
80
Front Wheel Diameter
-
Front Wheel Diameter
22.5
Rear Tire Width
-
Rear Tire Width
275
Rear Tire Aspect Ratio
-
Rear Tire Aspect Ratio
80
Rear Tire Speed Rating
-
Rear Tire Speed Rating
G
Front Wheel Width (in)
-
Front Wheel Width (in)
8.25
Rear Wheel Width (in)
-
Rear Wheel Width (in)
8.25
Front Tire (Full Spec)
-
Front Tire (Full Spec)
Michelin® XZE2 275/80R 22.5
Brakes
Standard
Brakes
Standard
Front Brake Type
Not Applicable
Front Brake Type
Hydraulic Drum
Rear Brake Type
Electric Drum
Rear Brake Type
Hydraulic Drum
Air Brake
-
Air Brake
Standard
Exhaust Brake
-
Exhaust Brake
Standard
Anti-Lock Brakes
-
Anti-Lock Brakes
Standard
Fresh Water Holding Tank Gauge
Standard
Fresh Water Holding Tank Gauge
Standard
Gray Water Holding Tank Gauge
Standard
Gray Water Holding Tank Gauge
Standard
Black Water Holding Tank Gauge
Standard
Black Water Holding Tank Gauge
Standard
Water Pump Power Display
Standard
Water Pump Power Display
Standard
Voltage Meter
Standard
Voltage Meter
Standard
Propane Tank Gauge
-
Propane Tank Gauge
Standard
Trailer Level Gauge
-
Trailer Level Gauge
Standard
Exterior Flood Lights
Standard
Exterior Flood Lights
Standard
Hitch Lights
Standard
Hitch Lights
-
Battery
Standard
Battery
Standard
Battery Power Converter
Yes
Battery Power Converter
Yes
Battery Converter Amps
90
Battery Converter Amps
80
Prewiring
Standard
Prewiring
Standard
Air Conditioning Prewiring
Yes
Air Conditioning Prewiring
Yes
Cable Prewiring
Yes
Cable Prewiring
Yes
Phone Prewiring
No
Phone Prewiring
No
Heat Prewiring
Yes
Heat Prewiring
Yes
TV Antenna Prewiring
Yes
TV Antenna Prewiring
Yes
Satellite Prewiring
Yes
Satellite Prewiring
Yes
Washer / Dryer Prewiring
Yes
Washer / Dryer Prewiring
Yes
Exterior Plugs
Standard
Exterior Plugs
Standard
Ground Fault Plugs
Standard
Ground Fault Plugs
Standard
Generator
Optional
Generator
Standard
Solar Battery Charger
-
Solar Battery Charger
Standard
Air Conditioning
Standard
Air Conditioning
Standard
Air Conditioning Type
Automatic
Air Conditioning Type
Automatic
Heater
Standard
Heater
Standard
Heater Type
Automatic
Heater Type
Automatic
Water Heater Tank
Standard
Water Heater Tank
Standard
Water Heater Pump Power Mode
Electrical / Propane
Water Heater Pump Power Mode
Propane
Water Heater Tank Bypass
Yes
Water Heater Tank Bypass
-
Freeze Proof Insulation
Standard
Freeze Proof Insulation
-
Water Heater Tank Capacity (g/l)
12 / 45.4
Water Heater Tank Capacity (g/l)
-
Smoke Detector
Standard
Smoke Detector
Standard
Carbon Monoxide Detector
Standard
Carbon Monoxide Detector
Standard
Propane Alarm
Standard
Propane Alarm
Standard
Emergency Exit (s)
Standard
Emergency Exit (s)
Standard
Number Of Emergency Exits
-
Number Of Emergency Exits
1
Radio
Standard
Radio
Standard
Number Of Radios
1
Number Of Radios
2
Satellite
No
Satellite
Yes
Speakers
Standard
Speakers
Standard
Surround Sound
Yes
Surround Sound
Yes
CD Player
Standard
CD Player
Standard
Number Of Discs
1
Number Of Discs
1
DVD Player
Standard
DVD Player
Standard
Television
Standard
Television
Standard
Number Of Televisions
1
Number Of Televisions
3
Retractable Roof Antenna
Standard
Retractable Roof Antenna
Standard
Speaker Location (s)
Interior / Exterior
Speaker Location (s)
Interior / Exterior
Brand Name
-
Brand Name
Sony
Exterior Entertainment System
-
Exterior Entertainment System
Standard
Paint
Standard
Paint
Standard
Metallic
No
Metallic
-
Interior Decor
Standard
Interior Decor
Standard
Wallpaper
Yes
Wallpaper
Yes
Interior Wood Finish
Yes
Interior Wood Finish
Yes
Curtains / Shades
Standard
Curtains / Shades
Standard
Engine
-
Engine
Standard
Engine Brand Name
-
Engine Brand Name
Cummins
Chassis Brand
-
Chassis Brand
Freightliner
Engine Type
-
Engine Type
In-Line
Chassis Model
-
Chassis Model
S2RV Series
Cylinders
-
Cylinders
6
Horsepower RPM
-
Horsepower RPM
2600
Torque RPM
-
Torque RPM
1800
Turbocharged
-
Turbocharged
Yes
Supercharged
-
Supercharged
No
Fuel Type
-
Fuel Type
Diesel
Fuel Requirements
-
Fuel Requirements
Regular
Carburetion
-
Carburetion
Standard
Carburetion Type
-
Carburetion Type
Fuel Injected
Horsepower (bhp)
-
Horsepower (bhp)
360
Torque (Nm)
-
Torque (Nm)
1084.6
Displacement (l)
-
Displacement (l)
6.7
Transmission
-
Transmission
Standard
Transmission Brand
-
Transmission Brand
Allison
Transmission Type
-
Transmission Type
Automatic
Number Of Speeds
-
Number Of Speeds
6
Overdrive
-
Overdrive
Yes
Driveline Type
-
Driveline Type
4X2
Rear Hitch
-
Rear Hitch
Standard
Rear Hitch Type
-
Rear Hitch Type
Receiver
Seat Type
-
Seat Type
Bucket
Seat Material
-
Seat Material
Vinyl
Power Adjustable Seat
-
Power Adjustable Seat
Yes
Reclining Seats
-
Reclining Seats
Yes
Swivel Seats
-
Swivel Seats
No
Seat Armrests
-
Seat Armrests
Yes
Seat Specifications
-
Seat Specifications
Standard
Number Of Seats
-
Number Of Seats
2
Number Of Rows
-
Number Of Rows
1
Power Windows
-
Power Windows
Standard
Air Suspension
-
Air Suspension
Standard
Rear Video Backup Camera
-
Rear Video Backup Camera
Standard
Cruise Control
-
Cruise Control
Standard
