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Year
2011
Year
2024
Parent Company
Thor Industries, Inc.
Parent Company
Thor Industries, Inc.
Generic Type (Primary)
Travel Trailer
Generic Type (Primary)
Travel Trailer
Make
Airstream
Make
Airstream
Display Name
International Serenity 23D
Display Name
International 28RB
Manufacturer Country
USA
Manufacturer Country
USA
Introduction Year
2008
Introduction Year
2004
Regional Availability
All Regions
Regional Availability
All Regions
Price
Standard
Price
Standard
MSRP
$60,905
MSRP
$132,200
Basic Warranty (Months)
24
Basic Warranty (Months)
36
Structure Warranty (Months)
24
Structure Warranty (Months)
36
Roof Warranty (Years)
2
Roof Warranty (Years)
3
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
2
Length (in/mm/ft/m)
276 / 7000 / 23 / 7
Length (in/mm/ft/m)
338 / 8600 / 28.17 / 8.6
Width (in/mm)
96 / 2438.4
Width (in/mm)
101.5 / 2578.1
Height (in/mm)
113 / 2870.2
Height (in/mm)
115 / 2921
Interior Height (in/mm)
76.5 / 1943.1
Interior Height (in/mm)
79.5 / 2019.3
Dry Weight (lbs/kg)
4701 / 2132.4
Dry Weight (lbs/kg)
5900 / 2676.2
Payload Capacity (lbs/kgs)
1299 / 589.2
Payload Capacity (lbs/kgs)
1700 / 771.1
GVWR (lbs)
6000
GVWR (lbs)
7600
Hitch Weight (lbs)
720
Hitch Weight (lbs)
860
Total Fresh Water Tank Capacity (gal/l)
30 / 113.6
Total Fresh Water Tank Capacity (gal/l)
39 / 147.6
Total Gray Water Tank Capacity (gal/l)
21 / 79.5
Total Gray Water Tank Capacity (gal/l)
37 / 140.1
Total Black Water Tank Capacity (gal/l)
18 / 68.1
Total Black Water Tank Capacity (gal/l)
35 / 132.5
Propane Tank (s)
Standard
Propane Tank (s)
Standard
Total Propane Tank Capacity (gal/lbs)
14.2 / 60
Total Propane Tank Capacity (gal/lbs)
14.2 / 60
Construction
Standard
Construction
Standard
Body Material
Aluminum
Body Material
Aluminum
Sidewall Construction
Aluminum
Sidewall Construction
Aluminum
Number of Doors
1
Number of Doors
1
Sliding Glass Door
No
Sliding Glass Door
No
Awning
Standard
Awning
Standard
Number of Awnings
1
Number of Awnings
1
Power Retractable Awning
No
Power Retractable Awning
Yes
Screened Room
No
Screened Room
No
Leveling Jacks
Standard
Leveling Jacks
Standard
Leveling Jack Type
Front Manual / Rear Manual
Leveling Jack Type
Front Manual / Rear Manual
Sky Light
Standard
Sky Light
Standard
Roof Vents
Standard
Roof Vents
Standard
Propane Tank Cover
Standard
Propane Tank Cover
Standard
Exterior Shower
Standard
Exterior Shower
Standard
Rear Bumper Drain Hose Carrier
Standard
Rear Bumper Drain Hose Carrier
Standard
Awning Length (ft/m)
13.4 / 4.1
Awning Length (ft/m)
-
Power Retractable Slideout
-
Power Retractable Slideout
No
Kitchen / Living Area
Standard
Kitchen / Living Area
Standard
Kitchen / Living Area Flooring Type
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
Center
Living Area Location
Front
Layout
Oven / Stove
Layout
Oven / Stove
Number Of Oven Burners
3
Number Of Oven Burners
3
Overhead Fan
Yes
Overhead Fan
Yes
Microwave Oven
Standard
Microwave Oven
Optional
Refrigerator
Standard
Refrigerator
Standard
Refrigerator Size
Mid-Size
Refrigerator Size
Mid-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
Leather
Beds
Standard
Beds
Standard
Max Sleeping Count
6
Max Sleeping Count
6
Number Of Double Beds
1
Number Of Double Beds
-
Number Of Convertible / Sofa Beds
2
Number Of Convertible / Sofa Beds
2
Bunkhouse
No
Bunkhouse
No
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
Rear
Bathroom Location
Center
Toilet
Standard
Toilet
Standard
Toilet Type
Plastic
Toilet Type
Porcelain
Shower
Standard
Shower
Standard
Door Type
Curtain
Door Type
Plastic / Glass
Bathroom Sink
Standard
Bathroom Sink
Standard
Bathroom Vent / Fan System
Standard
Bathroom Vent / Fan System
Standard
Power Vent Fan
Standard
Power Vent Fan
Standard
Reclining Sofa
-
Reclining Sofa
No
Number Of Queen Size Beds
-
Number Of Queen Size Beds
1
Master Bedroom
-
Master Bedroom
Standard
Master Bedroom Flooring Type
-
Master Bedroom Flooring Type
Vinyl
Master Bedroom Door Style
-
Master Bedroom Door Style
Accordion
Full Size Master Bedroom Closet
-
Full Size Master Bedroom Closet
No
Master Bedroom Mirror Doors
-
Master Bedroom Mirror Doors
No
Master Bedroom Shades / Curtains
-
Master Bedroom Shades / Curtains
Yes
Master Bedroom Location
-
Master Bedroom Location
Rear
Heated
-
Heated
No
Bathroom Medicine Cabinet
-
Bathroom Medicine Cabinet
Standard
Bathroom Mirror
-
Bathroom Mirror
Standard
Wheels
Standard
Wheels
Standard
Wheels Composition
Aluminum
Wheels Composition
Aluminum
Number Of Axles
2
Number Of Axles
2
Tires
Standard
Tires
Standard
Rear Wheel Diameter
14
Rear Wheel Diameter
15
Spare Tire
Standard
Spare Tire
Standard
Spare Tire Location
Exterior Mounted
Spare Tire Location
Exterior Mounted
Rear Tire (Full Spec)
14-Inch Tires
Rear Tire (Full Spec)
Goodyear® Endurance ST225/75R 15
Tire Brand
-
Tire Brand
Goodyear®
Rear Tire Width
-
Rear Tire Width
225
Rear Tire Aspect Ratio
-
Rear Tire Aspect Ratio
75
Brakes
Standard
Brakes
Standard
Rear Brake Type
Electric Drum
Rear Brake Type
Electric Drum
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
Voltage Meter
-
Voltage Meter
Optional
Hitch Lights
Standard
Hitch Lights
Standard
Exterior Flood Lights
-
Exterior Flood Lights
Standard
Battery
Standard
Battery
Standard
Battery Power Converter
Yes
Battery Power Converter
Yes
Battery Converter Amps
55
Battery Converter Amps
-
Prewiring
Standard
Prewiring
Standard
Air Conditioning Prewiring
Yes
Air Conditioning Prewiring
Yes
Cable Prewiring
Yes
Cable Prewiring
Yes
Heat Prewiring
Yes
Heat Prewiring
Yes
TV Antenna Prewiring
Yes
TV Antenna Prewiring
Yes
Satellite Prewiring
Yes
Satellite Prewiring
Yes
Washer / Dryer Prewiring
No
Washer / Dryer Prewiring
No
Exterior Plugs
Standard
Exterior Plugs
Standard
Ground Fault Plugs
Standard
Ground Fault Plugs
Standard
Solar Battery Charger
Optional
Solar Battery Charger
Optional
Phone Prewiring
-
Phone Prewiring
No
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
Standard
Water Heater Tank Capacity (g/l)
6 / 22.7
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
Number Of Emergency Exits
-
Number Of Emergency Exits
1
Emergency Exit (s)
-
Emergency Exit (s)
Standard
Radio
Standard
Radio
Standard
Number Of Radios
1
Number Of Radios
1
Satellite
No
Satellite
No
Speakers
Standard
Speakers
Standard
Surround Sound
No
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
1
Retractable Roof Antenna
Standard
Retractable Roof Antenna
Standard
Speaker Location (s)
Interior
Speaker Location (s)
Interior / Exterior
Brand Name
-
Brand Name
JL Audio
Television Brand Name
-
Television Brand Name
LG
Paint
Standard
Paint
Standard
Interior Decor
Standard
Interior Decor
Standard
Wallpaper
No
Wallpaper
No
Interior Wood Finish
No
Interior Wood Finish
No
Curtains / Shades
Standard
Curtains / Shades
Standard
Metallic
-
Metallic
No
Rear Video Backup Camera
-
Rear Video Backup Camera
Standard