2015 Keystone Cougar 337FLS —
Overview
Type: Fifth wheel RV
Floorplan: Front Living Room (FLS)
Length: ~37 ft 8 in
Sleeps: Up to 6 people
Slides: 4 slide-outsThis model is known for its residential-style layout, especially the separate front living room, which makes it feel more like a small apartment than a camper.Floorplan & Layout
Front Living Room
Two opposing sofas + theater seating
Entertainment center (TV + optional fireplace)
Large front windows for panoramic viewsMid Kitchen
Center kitchen with table & chairs (not a booth)
Solid surface-style counters
3-burner stove, oven, microwave, mid-size fridgeRear Bedroom
Private master bedroom with queen bed
Center dresser drawer with large closets on each side
Plenty of storage underneath bedBathroom (center)
Full bathroom with:
Shower (glass/plastic door)
Porcelain toilet
Sink + medicine cabinetThe big selling point is the separation of living spaces—front lounge, middle kitchen, rear bedroom.Key Specs
Dry weight: ~9,995 lbs
Gvwr: ~12,385 lbs
Hitch weight: ~1,985 lbs
Fresh water: 60 gal
Gray water: 76 gal
Black tank: 38 galTypically requires a ¾-ton or 1-ton truck to tow safely.Standard Features
Exterior
Aluminum frame + fiberglass sidewalls
Power awning
4 power slide-outs
Exterior shower
Pass-through storage
Dual propane tanksInterior Comfort
Dual sofas + seating area
Entertainment system + DVD/CD
Fireplace
Carpet + vinyl flooring mix
Day/night shadesKitchen
3-burner stove + oven
Microwave
Mid-size fridge (gas/electric)
Double sink with coversClimate & Utilities
Air conditioning
Furnace + 6-gallon water heater
Prewired for cable/satellite
Heated/insulated for colder weather useSafety
Smoke detector
CO detector
Propane leak detectorNotable Highlights
Front living room layout (rare and very desirable)
Four slide-outs = very spacious interior
Residential feel with separate rooms
Good storage for long trips or full-time livingThings to Be Aware Of
Heavier than average → needs a capable tow vehicleBottom Line
The 2015 Cougar 337FLS is a great choice if you want:
A spacious, home-like RV
Separate living/bedroom areas
Comfort for longer stays or even full-time use
It’s especially popular with people who value living room space and comfort over bunkhouse layouts.
Overview
Type: Fifth wheel RV
Floorplan: Front Living Room (FLS)
Length: ~37 ft 8 in
Sleeps: Up to 6 people
Slides: 4 slide-outsThis model is known for its residential-style layout, especially the separate front living room, which makes it feel more like a small apartment than a camper.Floorplan & Layout
Front Living Room
Two opposing sofas + theater seating
Entertainment center (TV + optional fireplace)
Large front windows for panoramic viewsMid Kitchen
Center kitchen with table & chairs (not a booth)
Solid surface-style counters
3-burner stove, oven, microwave, mid-size fridgeRear Bedroom
Private master bedroom with queen bed
Center dresser drawer with large closets on each side
Plenty of storage underneath bedBathroom (center)
Full bathroom with:
Shower (glass/plastic door)
Porcelain toilet
Sink + medicine cabinetThe big selling point is the separation of living spaces—front lounge, middle kitchen, rear bedroom.Key Specs
Dry weight: ~9,995 lbs
Gvwr: ~12,385 lbs
Hitch weight: ~1,985 lbs
Fresh water: 60 gal
Gray water: 76 gal
Black tank: 38 galTypically requires a ¾-ton or 1-ton truck to tow safely.Standard Features
Exterior
Aluminum frame + fiberglass sidewalls
Power awning
4 power slide-outs
Exterior shower
Pass-through storage
Dual propane tanksInterior Comfort
Dual sofas + seating area
Entertainment system + DVD/CD
Fireplace
Carpet + vinyl flooring mix
Day/night shadesKitchen
3-burner stove + oven
Microwave
Mid-size fridge (gas/electric)
Double sink with coversClimate & Utilities
Air conditioning
Furnace + 6-gallon water heater
Prewired for cable/satellite
Heated/insulated for colder weather useSafety
Smoke detector
CO detector
Propane leak detectorNotable Highlights
Front living room layout (rare and very desirable)
Four slide-outs = very spacious interior
Residential feel with separate rooms
Good storage for long trips or full-time livingThings to Be Aware Of
Heavier than average → needs a capable tow vehicleBottom Line
The 2015 Cougar 337FLS is a great choice if you want:
A spacious, home-like RV
Separate living/bedroom areas
Comfort for longer stays or even full-time use
It’s especially popular with people who value living room space and comfort over bunkhouse layouts.
2015 Keystone Cougar 337FLS —
Overview
Type: Fifth wheel RV
Floorplan: Front Living Room (FLS)
Length: ~37 ft 8 in
Sleeps: Up to 6 people
Slides: 4 slide-outsThis model is known for its residential-style layout, especially the separate front living room, which makes it feel more like a small apartment than a camper.Floorplan & Layout
Front Living Room
Two opposing sofas + theater seating
Entertainment center (TV + optional fireplace)
Large front windows for panoramic viewsMid Kitchen
Center kitchen with table & chairs (not a booth)
Solid surface-style counters
3-burner stove, oven, microwave, mid-size fridgeRear Bedroom
Private master bedroom with queen bed
Center dresser drawer with large closets on each side
Plenty of storage underneath bedBathroom (center)
Full bathroom with:
Shower (glass/plastic door)
Porcelain toilet
Sink + medicine cabinetThe big selling point is the separation of living spaces—front lounge, middle kitchen, rear bedroom.Key Specs
Dry weight: ~9,995 lbs
Gvwr: ~12,385 lbs
Hitch weight: ~1,985 lbs
Fresh water: 60 gal
Gray water: 76 gal
Black tank: 38 galTypically requires a ¾-ton or 1-ton truck to tow safely.Standard Features
Exterior
Aluminum frame + fiberglass sidewalls
Power awning
4 power slide-outs
Exterior shower
Pass-through storage
Dual propane tanksInterior Comfort
Dual sofas + seating area
Entertainment system + DVD/CD
Fireplace
Carpet + vinyl flooring mix
Day/night shadesKitchen
3-burner stove + oven
Microwave
Mid-size fridge (gas/electric)
Double sink with coversClimate & Utilities
Air conditioning
Furnace + 6-gallon water heater
Prewired for cable/satellite
Heated/insulated for colder weather useSafety
Smoke detector
CO detector
Propane leak detectorNotable Highlights
Front living room layout (rare and very desirable)
Four slide-outs = very spacious interior
Residential feel with separate rooms
Good storage for long trips or full-time livingThings to Be Aware Of
Heavier than average → needs a capable tow vehicleBottom Line
The 2015 Cougar 337FLS is a great choice if you want:
A spacious, home-like RV
Separate living/bedroom areas
Comfort for longer stays or even full-time use
It’s especially popular with people who value living room space and comfort over bunkhouse layouts.
Overview
Type: Fifth wheel RV
Floorplan: Front Living Room (FLS)
Length: ~37 ft 8 in
Sleeps: Up to 6 people
Slides: 4 slide-outsThis model is known for its residential-style layout, especially the separate front living room, which makes it feel more like a small apartment than a camper.Floorplan & Layout
Front Living Room
Two opposing sofas + theater seating
Entertainment center (TV + optional fireplace)
Large front windows for panoramic viewsMid Kitchen
Center kitchen with table & chairs (not a booth)
Solid surface-style counters
3-burner stove, oven, microwave, mid-size fridgeRear Bedroom
Private master bedroom with queen bed
Center dresser drawer with large closets on each side
Plenty of storage underneath bedBathroom (center)
Full bathroom with:
Shower (glass/plastic door)
Porcelain toilet
Sink + medicine cabinetThe big selling point is the separation of living spaces—front lounge, middle kitchen, rear bedroom.Key Specs
Dry weight: ~9,995 lbs
Gvwr: ~12,385 lbs
Hitch weight: ~1,985 lbs
Fresh water: 60 gal
Gray water: 76 gal
Black tank: 38 galTypically requires a ¾-ton or 1-ton truck to tow safely.Standard Features
Exterior
Aluminum frame + fiberglass sidewalls
Power awning
4 power slide-outs
Exterior shower
Pass-through storage
Dual propane tanksInterior Comfort
Dual sofas + seating area
Entertainment system + DVD/CD
Fireplace
Carpet + vinyl flooring mix
Day/night shadesKitchen
3-burner stove + oven
Microwave
Mid-size fridge (gas/electric)
Double sink with coversClimate & Utilities
Air conditioning
Furnace + 6-gallon water heater
Prewired for cable/satellite
Heated/insulated for colder weather useSafety
Smoke detector
CO detector
Propane leak detectorNotable Highlights
Front living room layout (rare and very desirable)
Four slide-outs = very spacious interior
Residential feel with separate rooms
Good storage for long trips or full-time livingThings to Be Aware Of
Heavier than average → needs a capable tow vehicleBottom Line
The 2015 Cougar 337FLS is a great choice if you want:
A spacious, home-like RV
Separate living/bedroom areas
Comfort for longer stays or even full-time use
It’s especially popular with people who value living room space and comfort over bunkhouse layouts.
Quick summary
AI generated
Discover apartment-style living on the road for ultimate comfort.
Four slide-outs and a rare front living room create vast, distinct spaces.
A fully equipped kitchen and ample amenities make extended stays effortless.
Relax outdoors under the power awning, ready for your next adventure.
2015 Keystone RV Cougar
Length
37 ft
37 ft
Gross Weight
10,000 lbs
10,000 lbs
Hitch Weight
1,985 lbs
1,985 lbs
Connector
7pin
7pin
Receiver
Not provided
Not provided
Brake Controller
Not provided
Not provided
Sleeping arrangements
Queen bed
1
1
Fold out sofa
1
1
Spacious 37' Keystone Cougar 5TH Wheel
Dates
Features
2015 Keystone RV Cougar
- Sleeps 6
- Gross weight: 10,000 lbs
- Hitch weight: 1,985 lbs
- Sleeps 6
- Gross weight: 10,000 lbs
- Hitch weight: 1,985 lbs
Amenities
- Toilet
- Inside Shower
- Outside Shower
- Bathroom sink
- Toilet paper
- Hot water
- Water hookup
- Electric hookup (50 Amps)
- Toilet
- Inside Shower
- Outside Shower
- Bathroom sink
- Toilet paper
- Hot water
- Water hookup
- Electric hookup (50 Amps)
Nearby places to stay
Tucson, AZ • Exact location provided after booking
1. Palm Creek Resort & Residences
Casa Grande, AZ • 54 miles away
2. Gold Canyon RV and Golf Resort
Gold Canyon, AZ • 74 miles away
3. Sunrise RV Resort
Apache Junction, AZ • 79 miles away
4. Schoolhouse Campground
Roosevelt, AZ • 91 miles away
Availability and RV fit not guaranteed. Please verify directly with campgrounds before booking.
Tucson, AZ • Exact location provided after booking
Rules and policies
- 11 am start time
3 pm end time - Pet friendly
- Music festival friendly
- Tailgating friendly
- No smoking
- Unlimited mileage
- No generator
Cancellation: Moderate
Meet your host, Tony
Member since 2026
