Forest River RiverStone

Shop Inventory

Available Forest River RiverStone Floorplans

Forest River RiverStone 39RKFB floorplanView full screen

Exterior Measurements

Vehicle Body Length511 in
Vehicle Body Width102 in
Vehicle Body Height160 in

Trailering

Hitch Weight3084 lbs

Weights

GVWR19084 lbs
Dry Weight16292 lbs
Standard Payload2792 lbs

Holding Tanks

Total Fresh Water Tank Capacity83 gal
Total Gray Water Tank Capacity82 gal
Total Black Water Tank Capacity82 gal

Propane Tanks

Total Propane Tank Capacity18.9 gal

Refrigerator

Refrigerator Size18 cu ft
Refrigerator Power ModeElectric

Air Conditioning

Air Conditioning (BTU)30000 btus
Heater (BTU)40000 BTUs

Water Heater

Water Heater Tank Capacity0 g

Oven / Stove

Overhead FanOverhead Fan

Wheels

Number of Axles2
Wheel MaterialAluminum

Tires

Tire BrandCooper
Rear Tire Full Spec17.5 Inch

Awning

Awning Length384 in
Common Questions
What are the exterior dimensions of the Forest River RiverStone 39RKFB?
The Forest River RiverStone 39RKFB measures 511 in long, 102 in wide, and 160 in tall.
How much does the Forest River RiverStone 39RKFB weigh?
Dry weight is 16292 lbs; fully loaded, its GVWR is 19084 lbs.
What do I need to tow and haul the Forest River RiverStone 39RKFB?
Key numbers are a hitch weight of 3084 lbs and a payload capacity of 2792 lbs. Bring your tow vehicle details and we'll verify the match.
What are the holding tank capacities on the Forest River RiverStone 39RKFB?
Onboard capacity is 83 gal fresh, 82 gal gray, and 82 gal black — enough for a long weekend off hookups for most families.
How much fuel does the Forest River RiverStone 39RKFB carry?
Capacity on the Forest River RiverStone 39RKFB comes in at 18.9 gal of propane.
Forest River RiverStone 420RE floorplanView full screen

Exterior Measurements

Vehicle Body Width8.5 ft
Vehicle Body Length44.75 ft
Vehicle Body Height13.42 ft

Weights

GVWR24000 lbs
Dry Weight18065 lbs
Cargo Carrying Capacity5935 lbs

Trailering

Hitch Weight3240 lbs

Awning

Awning Size20 ft

Wheels

Number of Axles2

Holding Tanks

Total Black Water Tank Capacity50 gal
Total Gray Water Tank Capacity100 gal
Total Fresh Water Tank Capacity79 gal

Refrigerator

Refrigerator Size18 cu ft

Air Conditioning

Air Conditioning (BTU)30000 btus
Common Questions
What are the exterior dimensions of the Forest River RiverStone 420RE?
The Forest River RiverStone 420RE comes in at 44.75 ft long, 8.5 ft wide, and 13.42 ft tall.
How much does the Forest River RiverStone 420RE weigh?
The Forest River RiverStone 420RE starts at 18065 lbs empty and is rated to 24000 lbs loaded.
What do I need to tow and haul the Forest River RiverStone 420RE?
Towing and hauling figures for the Forest River RiverStone 420RE: a hitch weight of 3240 lbs. Match these to your vehicle's rated capacity.
What are the holding tank capacities on the Forest River RiverStone 420RE?
The Forest River RiverStone 420RE carries 79 gal fresh, 100 gal gray, and 50 gal black.
Forest River RiverStone 421FK floorplanView full screen

Wheels

Wheel MaterialAluminum
Number of Axles2

Tires

Tire BrandCooper
Rear Tire Full Spec17.5 Inch

Awning

Awning Length384 in
Awning Size16 ft

Water Heater

Water Heater Tank Capacity0 g

Oven / Stove

Overhead FanOverhead Fan

Refrigerator

Refrigerator Power ModeElectric
Refrigerator Size18 cu ft

Air Conditioning

Heater (BTU)40000 BTUs
Air Conditioning (BTU)30000 btus

Propane Tanks

Total Propane Tank Capacity18.9 gal

Holding Tanks

Total Fresh Water Tank Capacity79 gal
Total Gray Water Tank Capacity120 gal
Total Black Water Tank Capacity40 gal

Exterior Measurements

Vehicle Body Width8.5 ft
Vehicle Body Height13.33 ft
Vehicle Body Length44 ft

Weights

Standard Payload5669 lbs
GVWR24000 lbs
Dry Weight18786 lbs
Cargo Carrying Capacity5214 lbs

Trailering

Hitch Weight3635 lbs
Common Questions
What are the exterior dimensions of the Forest River RiverStone 421FK?
Exterior dimensions on the Forest River RiverStone 421FK are 44 ft long, 8.5 ft wide, and 13.33 ft tall.
How much does the Forest River RiverStone 421FK weigh?
Dry weight is 18786 lbs; fully loaded, its GVWR is 24000 lbs.
What do I need to tow and haul the Forest River RiverStone 421FK?
Key numbers are a hitch weight of 3635 lbs and a payload capacity of 5669 lbs. Bring your tow vehicle details and we'll verify the match.
What are the holding tank capacities on the Forest River RiverStone 421FK?
You get 79 gal fresh, 120 gal gray, and 40 gal black on the Forest River RiverStone 421FK.
How much fuel does the Forest River RiverStone 421FK carry?
Expect 18.9 gal of propane aboard the Forest River RiverStone 421FK.
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