2026 Keystone Alpine 3820FK
Fifth Wheel · Luxury Fifth Wheel · 41.92 ft · sleeps 6

The 2026 Keystone Alpine 3820FK is a fifth wheel (luxury fifth wheel). At sleeps 6, 41.92 ft long, 14,335 lbs dry, it's positioned for buyers comfortable towing with the right tow vehicle.
Floor plan

Photos of the 2026 Keystone Alpine 3820FK
Walkthrough video
Video courtesy of RV Video Library on YouTube.
Full specifications
Dimensions
| Length | 41.92 ft |
|---|
Weights
| Dry Weight | 14,335 lbs |
|---|
Living
| Sleeps | 6 |
|---|---|
| Bunkhouse | No |
Power & Electrical
| Shore Power | 50 A |
|---|
Amenities
| Outdoor Kitchen | No |
|---|---|
| Theater Seating | Yes |
| Residential Fridge | Yes |
| Fireplace | No |
| Four-Season | Yes |
| Off-Road Capable | No |
| Washer / Dryer | prep |
Similar Fifth Wheels to consider
Other fifth wheels in the catalog with comparable size and price.
Frequently asked questions
How many people does the 2026 Keystone Alpine 3820FK sleep?
The 2026 Keystone Alpine 3820FK sleeps 6.
How long is the 2026 Keystone Alpine 3820FK?
The 2026 Keystone Alpine 3820FK is 41.92 feet long.
What's the dry weight of the 2026 Keystone Alpine 3820FK?
The 2026 Keystone Alpine 3820FK has a dry weight of 14,335 lbs.
Where can I buy the 2026 Keystone Alpine 3820FK?
Pirka Wakka is a brand-agnostic catalog and doesn't sell RVs. The "Buy on Keystone" link on this page sends you to the manufacturer's product page — they'll route you to an authorized dealer.
Not sure if the 2026 Keystone Alpine 3820FK is right for you?
Tell Matchmaker your trip, your budget, and your tow vehicle. She'll narrow the catalog to the 2-4 RVs that actually fit — verified specs only, no upsells.
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