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RV REFERENCE RECORD
2026 Forest River RiverStone
421FK
| Year | 2026 |
|---|---|
| Make | Forest River |
| Model | RiverStone |
| Floor Plan | 421FK |
| Type | Fifth Wheel |
| Length | 45 ft |
| Width | 102 in |
| Height | 160 in |
| Dry Weight | 18331 lbs |
| Hitch Weight | 3270 lbs |
| Payload Capacity | 5669 lbs |
| Sleeps | 4 |
| Slides | 5 |
| Axles | 2 |
| Fresh Water | 79 gal |
| Gray Water | 120 gal |
| Black Water | 40 gal |
| Refrigerator Capacity | 18 cu ft |
| Awnings | 2 |
| Doors | 1 |
| Air Conditioners | 2 |