Sky River RV
2026 Keystone RV 2026 Keystone RV Keystone Cougar - image 1
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Complete Specifications

Complete Fifth Wheel Specifications

2026 Keystone RV Keystone Cougar Overview

Introducing the 2026 Keystone Cougar 355FBS, a new fifth-wheel designed for adventure and comfort. With a generous length of 39.3 ft and a dry weight of 11,740 lbs, this model sleeps 6 and includes 2 bathrooms for convenience. The Cougar is perfect for families and outdoor enthusiasts looking for a spacious interior and easy towing. Enjoy the benefits of a solar-equipped system and ample freshwater capacity of 75 gallons, making it ideal for off-grid camping. Experience the trusted reputation of Keystone RV and elevate your travel experience. Schedule your tour today!

Premium Features & Highlights

Sleeps 6 for Family-Friendly Comfort
Two Bathrooms for Added Convenience
Solar Equipped for Off-Grid Adventures
Spacious Interior Layout for Relaxation
3 Slide-Outs for Extra Living Space

Overview

Vehicle Identification & Details

8 specifications available

Category
Fifth Wheel
Condition
new
Floorplan
355FBS
Make
Keystone RV
Model
Keystone Cougar
Stock Number
CG2611
VIN
4YDFCGT29T2501918
Year
2026

Size & Weight

Dimensions, Weight, Construction & Exterior

5 specifications available

Dry Weight
11,740 lbs
GVWR
13,900 lbs
Length
39.3 ft
Awnings Count
0
Slides
3

Sleeping & Layout

Beds, Layout, Living & Comfort

6 specifications available

Bedroom Count
1
Bunk Beds Count
0
King Beds Count
0
Private Bedroom
Yes
Queen Beds Count
1
Sleeps
6

Kitchen & Dining

Cooking, Dining & Appliances

1 specifications available

Refrigerator Type
12V

Bathroom & Facilities

Comfort & Privacy

2 specifications available

Bathrooms Count
2
Shower Type
Standard

Water Systems

Tanks & Plumbing

2 specifications available

Black Water Capacity
76 gal
Fresh Water Capacity
75 gal

Power & Electrical

Electrical, Entertainment & Safety

1 specifications available

Solar Equipped
Yes

Climate Control

Heating & Cooling

0 specifications available

No specifications available for this category

* Vehicle specifications listed to the best of our knowledge. All specifications, features, and information are provided by the manufacturer. Sky River RV is not responsible for manufacturer defects, specification changes, or recalls. Buyers should verify all information directly with Sky River RV.

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Built to Last

Superior construction for years of adventures
Plumbing

76-Gallon Black Water Capacity

Ample waste storage for extended trips without hassle.

Plumbing

75-Gallon Fresh Water Capacity

Stay refreshed during long excursions with plenty of water.

Chassis & Towing

13,900 lbs GVWR

Built for durability and stability, ensuring a safe towing experience.

Ready for Your Next Adventure?

Experience the freedom of the open road with your next RV adventure

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from $561/mo
Estimated • 20% down

Schedule Tour

See this RV in person at our showroom

Showroom Hours
Mon-Fri: 9AM-6PM
444 Dolliver Street Pismo Beach, CA 93449

Trade-In Value

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Trade Evaluation

Dealer assessment

Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. We are not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.
$78,998
est $522/mo