| Year | 2026 |
| Manufacturer | FOREST RIVER |
| Brand | SIERRA |
| Model | 3800RK |
| Type | Fifth Wheel |
| Class | |
| Fuel Type | |
| Status | New |
| Stock # | 26FR001 |
| Financing Available | |
| Warranty Available | |
| Odometer | |
| VIN | |
| Chassis | |
| Engine | |
| Transmission | |
| Suspension | N/A |
| Leveling | N/A |
| Exterior Length | 44.1 ft. |
| Dry Weight | 12900 lbs. |
| Sleeping Capacity | N/A person(s) |
| Interior Colour | N/A |
| Exterior Colour | N/A |
| Slideouts | 3 |
Disclaimer: Product information, pricing and photos are as accurate as possible and are subject to change without notice.
Introducing the 2026 Forest River Sierra 3800RK – a rear kitchen fifth wheel that blends upscale residential design with rugged durability for the ultimate in extended-stay comfort and road-ready performance. With standout luxury, best-in-class features, and unmatched build quality, this coach is...