Photo by Grand Canyon NPS via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Grand_Canyon_Mather_Campground_-_Winter_002_-_33572880818.jpg) (CC BY 2.0)
2025 Forest River Riverstone 39RKFB
by Forest River
Full Specifications
General Info
| Manufacturer | Forest River |
| Country of Origin | USA |
| Year | 2025 |
| Category | Fifth Wheel |
| Subcategory | — |
Dimensions & Weight
| Length | 28 ft |
| Width | 8.5 ft |
| Height | 13 ft |
| Dry Weight | 11,600 lbs |
| GVWR | 13,800 lbs |
| Hitch Weight | 1,280 lbs |
| Cargo Capacity | 2,200 lbs |
Engine & Chassis
| Fuel Type | N/A |
| Engine | — |
| Chassis | — |
| Horsepower | — |
| Fuel Capacity | — |
Living & Off-Grid
| Sleeping Capacity | 5 |
| Slide-Outs | 1 |
| Awning Length | 22 ft |
| A/C | 30,000 BTU |
| Furnace | 20,000 BTU |
| Fridge | Residential French door |
| Fresh Water | 87 gal |
| Gray Water | 55 gal |
| Black Water | 44 gal |
| Solar | 100 W |
| Battery | 250 Ah |
| Inverter | 2,500 W |
About the 2025 Forest River Riverstone 39RKFB
The 2025 Forest River Riverstone 39RKFB by Forest River represents the 2025 pinnacle of towable RV living. Fifth wheels command a loyal following for good reason: they deliver space, stability, and a towing experience that many owners prefer over bumper-pull alternatives.
Measuring 28.0 feet in overall length, a width of 8.5 feet and with a height of 13.0 feet, the 2025 Forest River Riverstone 39RKFB tips the scales at 11,600 pounds dry weight, and a gross vehicle weight rating of 13,800 pounds, giving you roughly 2,200 lbs of payload room. Thanks to one slide-out, the interior transforms into a surprisingly roomy living space once deployed.
Accommodating up to 5 sleepers, the 2025 Forest River Riverstone 39RKFB is built for family camping trips and group getaways. Multiple sleeping zones ensure everyone has their own space, from dedicated bunks to convertible living areas that transform as the day winds down.
Boondocking enthusiasts will value the 87 gallons of fresh water capacity, 55 gallons of gray water holding, a 44-gallon black water tank. For electrical needs, the unit provides 100-watt solar charging capability, 250 amp-hours of battery storage, a 2500-watt inverter for household AC power. 30,000 BTU of air conditioning handles warm-weather comfort, and 20,000 BTU of furnace output tackles chilly evenings. Food storage is handled by a Residential French door fridge. A 22.0-foot awning extends your living space outdoors, providing shade and shelter.
With a dry weight of 11,600 lbs, you will need a properly rated tow vehicle. with 1,280 lbs of hitch weight to account for in your towing setup. When loaded to capacity at 13,800 lbs GVWR, proper weight distribution becomes essential for safe towing.
At $62,000, this model offers a balanced combination of features and value in the Fifth Wheel category, hitting the sweet spot that most buyers are shopping in. The 2025 Forest River Riverstone 39RKFB suits small families and couples who occasionally bring friends along. It handles the needs of three to four travelers without feeling overcrowded or requiring compromises on comfort.
Whether you are planning weekend getaways or extended road trips, the 2025 2025 Forest River Riverstone 39RKFB from Forest River provides a well-rounded package that deserves a spot on your shortlist. Take the time to walk through one at your nearest dealer and see how it fits your travel vision.
For those seeking the ultimate towable luxury, the 2025 Forest River Riverstone 39RKFB offers multi-level living, expansive floor plans, and premium appointments throughout.
The 87-gallon fresh water system, combined with 55/44-gallon gray/black tanks, supports extended boondocking. Dual AC systems providing 30,000 BTU of cooling and a 20,000 BTU furnace ensure comfort in any climate.
Premium construction includes a fully enclosed and heated underbelly, aluminum frame, and seamless TPO roof with limited lifetime warranty. At $62,000, the 2025 Forest River Riverstone 39RKFB delivers exceptional value for this level of quality and comfort.