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Condition: New
Exterior Length: 41 ft 5 in
Sleeps: 6
Number of Axles: Tandem
Fresh Water Tank Capacity: 75 gal
Stock Number: LM2861
Description: Experience the open road with the 2026 Keystone Alpine 3710FL, a standout in the fifth-wheel category. With a length of 41 ft and a dry weight of 1...
Updated: Thursday, September 24, 2026 06:02 AM
Seller: Zoomers RV - Iowa
MSRP$120,940 USD $89,995
Condition: New
Exterior Length: 40 ft 10 in
Sleeps: 6
Number of Slide Outs: 5
Number of Axles: Tandem
Fresh Water Tank Capacity: 75 gal
Description: Experience the great outdoors in the 2026 Keystone Alpine Avalanche Edition, a spacious fifth wheel that comfortably sleeps 6. With a dry weight of...
Updated: Saturday, September 19, 2026 06:04 AM
Seller: Zoomers RV - Iowa
MSRP$118,615 USD $75,495
Condition: New
Exterior Length: 40 ft 10 in
Sleeps: 5
Number of Slide Outs: 5
Number of Axles: Tandem
Fresh Water Tank Capacity: 75 gal
Description: Experience the open road in the 2026 Keystone Alpine Avalanche Edition, a luxurious fifth wheel that combines comfort and adventure. With a spaciou...
Updated: Wednesday, September 23, 2026 06:05 AM
Seller: Zoomers RV - Iowa
MSRP$117,595 USD $87,995
Condition: New
Exterior Length: 41 ft 11 in
Sleeps: 8
Number of Slide Outs: 4
Number of Axles: Tandem
Fresh Water Tank Capacity: 75 gal
Description: Introducing the 2026 Keystone Alpine Avalanche Edition, a new fifth-wheel that promises an exceptional camping experience. This model combines luxu...
Updated: Thursday, September 24, 2026 06:02 AM
Seller: Zoomers RV - Iowa
Condition: New
Exterior Length: 33 ft 8 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Cougar 290RLS
Details: Keystone Cougar fifth wheel 290RLS highlights: Kitchen Island Booth Dinette Hutch 12V Ceiling Fan ...
Updated: Sunday, October 04, 2026 04:04 AM
Seller: McKee RV
Condition: New
Exterior Length: 33 ft 8 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Cougar 290RLS
Details: Keystone Cougar fifth wheel 290RLS highlights: Kitchen Island Booth Dinette Hutch 12V Ceiling Fan ...
Updated: Thursday, September 10, 2026 04:05 AM
Seller: McKee RV
Condition: New
Sleeps: 4
Number of Slide Outs: 2
Number of Axles: Tandem
Stock Number: 7211
Exterior Color: WHITE FOG
Description: New 2027 Keystone RV Cougar 295RDS
Details: Keystone Cougar fifth wheel 295RDS highlights: L-Shaped Sofa Dinette with Chairs Shower with a Seat ...
Updated: Sunday, October 04, 2026 04:04 AM
Seller: McKee RV
Condition: New
Sleeps: 4
Number of Slide Outs: 2
Number of Axles: Tandem
Stock Number: 7210
Exterior Color: WHITE FOG
Description: New 2027 Keystone RV Cougar 295RDS
Details: Keystone Cougar fifth wheel 295RDS highlights: L-Shaped Sofa Dinette with Chairs Shower with a Seat ...
Updated: Sunday, October 04, 2026 04:04 AM
Seller: McKee RV
Condition: New
Exterior Length: 35 ft 8 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Cougar 316RLS
Details: Keystone Cougar fifth wheel 316RLS highlights: Shower with a Seat Kitchen Island Queen Bed Slide Tri-...
Updated: Thursday, September 10, 2026 04:06 AM
Seller: McKee RV
Condition: New
Exterior Length: 35 ft 8 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Cougar 316RLS
Details: Keystone Cougar fifth wheel 316RLS highlights: Shower with a Seat Kitchen Island Queen Bed Slide Tri-...
Updated: Thursday, September 10, 2026 04:05 AM
Seller: McKee RV
Condition: New
Exterior Length: 35 ft 8 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2026 Keystone RV Cougar 316RLS
Details: Keystone Cougar fifth wheel 316RLS highlights: Shower with a Seat Kitchen Island Queen Bed Slide Tri-...
Updated: Wednesday, September 30, 2026 04:04 AM
Seller: McKee RV
Condition: New
Exterior Length: 36 ft 10 in
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Cougar 320RDS
Details: Keystone Cougar fifth wheel 320RDS highlights: Triple Slide Outs Rear Den/Living Area 16 Cu. Ft. 12V ...
Updated: Sunday, October 04, 2026 04:04 AM
Seller: McKee RV
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Cougar 350LLK
Details: Keystone Cougar fifth wheel 350LLK highlights: Rear Luxury Kitchen Four Slide Outs Queen Bed Shower w...
Updated: Thursday, September 10, 2026 04:06 AM
Seller: McKee RV
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 9
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2026 Keystone RV Cougar 360MBI
Details: Keystone Cougar fifth wheel 360MBI highlights: Middle Den/Bonus Room Loft Area Kitchen Island Theater...
Updated: Wednesday, September 16, 2026 04:04 AM
Seller: McKee RV
Condition: New
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Stock Number: 7228
VIN: 6502200
Description: New 2027 Keystone RV Cougar 365DBR
Details: Keystone Cougar fifth wheel 365DBR highlights: Two Full Baths Kitchen Island Four Slides Two Power Aw...
Updated: Monday, October 05, 2026 04:04 AM
Seller: McKee RV
Used 2020 KEYSTONE RV CO COUGAR 366RDS
Perry, Iowa
MSRP$41,280 USD $34,995
View Floor Plan
Condition: Used
Exterior Length: 39 ft 4 in
Sleeps: 7
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 12 ft 6 in
Description: Used 2020 Keystone RV Cougar 366RDS
Details: Keystone Cougar fifth wheel 366RDS highlights: Decorative Ceiling Arch Separate Living Room Two Tri-...
Updated: Thursday, September 10, 2026 04:06 AM
Seller: McKee RV
Condition: New
Exterior Length: 27 ft 11 in
Sleeps: 5
Number of Slide Outs: 1
Number of Axles: Tandem
Exterior Height: 12 ft 7 in
Description: New 2027 Keystone RV Cougar Half-Ton 23MLE
Details: Keystone Cougar Half-Ton fifth wheel 23MLE highlights: Private Front Bedroom Hutch Tri-Fold S...
Updated: Thursday, September 10, 2026 04:06 AM
Seller: McKee RV
Condition: New
Exterior Length: 27 ft 11 in
Sleeps: 5
Number of Slide Outs: 1
Number of Axles: Tandem
Exterior Height: 12 ft 7 in
Description: New 2026 Keystone RV Cougar Half-Ton 23MLE
Details: Keystone Cougar Half-Ton fifth wheel 23MLE highlights: Private Front Bedroom Hutch Tri-Fold S...
Updated: Wednesday, September 16, 2026 04:04 AM
Seller: McKee RV
Condition: Used
Exterior Length: 27 ft 11 in
Sleeps: 6
Number of Slide Outs: 2
Number of Axles: Tandem
Exterior Height: 12 ft
Description: Used 2023 Keystone RV Cougar Half-Ton 23MLE
Details: Keystone Cougar Half-Ton fifth wheel 23MLE highlights: Private Front Bedroom Hutch Tri-Fold ...
Updated: Monday, October 05, 2026 04:04 AM
Seller: McKee RV
Condition: New
Exterior Length: 30 ft 11 in
Sleeps: 4
Number of Slide Outs: 1
Number of Axles: Tandem
Exterior Height: 12 ft 7 in
Description: New 2027 Keystone RV Cougar Half-Ton 26RES
Details: Keystone Cougar Half-Ton fifth wheel 26RES highlights: L-Shaped Sectional Sofa 18' Power Awni...
Updated: Thursday, September 10, 2026 04:05 AM
Seller: McKee RV
Condition: New
Exterior Length: 30 ft 11 in
Sleeps: 4
Number of Slide Outs: 1
Number of Axles: Tandem
Exterior Height: 12 ft 7 in
Description: New 2027 Keystone RV Cougar Half-Ton 26RES
Details: Keystone Cougar Half-Ton fifth wheel 26RES highlights: L-Shaped Sectional Sofa 18' Power Awni...
Updated: Thursday, September 24, 2026 04:04 AM
Seller: McKee RV
Condition: New
Exterior Length: 30 ft 10 in
Sleeps: 5
Number of Slide Outs: 2
Number of Axles: Tandem
Exterior Height: 12 ft 7 in
Description: New 2027 Keystone RV Cougar Half-Ton 26RKE
Details: Keystone Cougar Half-Ton fifth wheel 26RKE highlights: Dual Opposing Slides Rear Kitchen Outd...
Updated: Monday, October 05, 2026 04:04 AM
Seller: McKee RV
Condition: New
Exterior Length: 30 ft 6 in
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 12 ft 7 in
Description: New 2026 Keystone RV Cougar Half-Ton 27SGS
Details: Keystone Cougar Half-Ton fifth wheel 27SGS highlights: Two Recliners Sleeper Sofa Peninsula C...
Updated: Thursday, September 10, 2026 04:05 AM
Seller: McKee RV
Condition: New
Exterior Length: 30 ft 6 in
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 12 ft 7 in
Description: New 2026 Keystone RV Cougar Half-Ton 27SGS
Details: Keystone Cougar Half-Ton fifth wheel 27SGS highlights: Two Recliners Sleeper Sofa Peninsula C...
Updated: Wednesday, September 30, 2026 04:04 AM
Seller: McKee RV
Condition: New
Exterior Length: 32 ft 8 in
Sleeps: 5
Number of Slide Outs: 2
Number of Axles: Tandem
Exterior Height: 12 ft 8 in
Description: New 2027 Keystone RV Cougar Half-Ton 28RLI
Details: Keystone Cougar Half-Ton fifth wheel 28RLI highlights: Kitchen Island Opposing Slides King Be...
Updated: Thursday, September 10, 2026 04:06 AM
Seller: McKee RV
Condition: New
Exterior Length: 33 ft 11 in
Sleeps: 7
Number of Slide Outs: 2
Number of Axles: Tandem
Exterior Height: 12 ft 8 in
Description: New 2026 Keystone RV Cougar Half-Ton 29MBD
Details: Keystone Cougar Half-Ton fifth wheel 29MBD highlights: King Bed Middle Bunkroom Rear Kitchen ...
Updated: Sunday, October 04, 2026 04:04 AM
Seller: McKee RV
Condition: New
Exterior Length: 25 ft 11 in
Sleeps: 2
Number of Slide Outs: 1
Number of Axles: Tandem
Exterior Height: 12 ft
Description: New 2027 Keystone RV Cougar Sport 2100ML
Details: Keystone Cougar Sport fifth wheel 2100ML highlights: Middle Living Room King Bed 17' Power Awni...
Updated: Sunday, October 04, 2026 04:04 AM
Seller: McKee RV
Condition: New
Exterior Length: 25 ft 11 in
Sleeps: 2
Number of Slide Outs: 1
Number of Axles: Tandem
Exterior Height: 12 ft
Description: New 2027 Keystone RV Cougar Sport 2100ML
Details: Keystone Cougar Sport fifth wheel 2100ML highlights: Middle Living Room King Bed 17' Power Awni...
Updated: Sunday, October 04, 2026 04:04 AM
Seller: McKee RV
