2026 Keystone Sprinter 3800FLB
Fifth Wheel · Wide-Body Fifth Wheel · 43 ft · sleeps 6

The 2026 Keystone Sprinter 3800FLB is a fifth wheel (wide-body fifth wheel). At sleeps 6, 43 ft long, 12,775 lbs dry, it's positioned for buyers comfortable towing with the right tow vehicle.
Floor plan

Photos of the 2026 Keystone Sprinter 3800FLB
Walkthrough video
Video courtesy of Where RV Going? on YouTube.
Full specifications
Dimensions
| Length | 43 ft |
|---|
Weights
| Dry Weight | 12,775 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 | No |
| Off-Road Capable | No |
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 Sprinter 3800FLB sleep?
The 2026 Keystone Sprinter 3800FLB sleeps 6.
How long is the 2026 Keystone Sprinter 3800FLB?
The 2026 Keystone Sprinter 3800FLB is 43 feet long.
What's the dry weight of the 2026 Keystone Sprinter 3800FLB?
The 2026 Keystone Sprinter 3800FLB has a dry weight of 12,775 lbs.
Where can I buy the 2026 Keystone Sprinter 3800FLB?
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 Sprinter 3800FLB 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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