Unit Specs
- Stock #39781
- Year2026
- ManufacturerForest River
- Make Forest River
- ModelRiverStone
- Floorplan421FK
- Floorplan LayoutFront Kitchen
Kitchen Island
Rear Bedroom - Type Fifth Wheel
- ConditionNew
- Length45' 0"
- VIN005634
- Price $222,585.00
- Sale Price $134,999.00
- Need to know your payment? Use our RV Loan Calculator!
- Exterior ColorFrost, Mercury, Blue Ice, Riptide Red Paint Option
- Sleeps4
- Water Capacity (Fresh)79 gal
- Water Capacity (Black)40 gal
- Water Capacity (Grey)120 gal
- Slideouts5
- Tow/Hitch Weight3270 lbs
The following is a list of Additional Options besides the Standard Features come with the unit are:
- 2026 RIVERSTONE 421FK
- SLUMBER SLOTH WOOD - RIBBLEBROOK FURNITURE
- OCEAN PREMIUM FULL BODY PAINT
- MAX GRAPHICS PACKAGE WITH PAINTED CAPS
- RIVERSTONE LUXURY PACKAGE
- ULTIMATE ELECTRONICS PACKAGE
- LEGACY PACKAGE W/PREMIUM FULL BODY PAINT
- FULL BODY PAINT, 100AH LITHIUM BATTERY, 3RD HIGH PERFORMANCE A/CW/HEAT PUMP, HYDRAULIC DISC BRAKES, ADDITIONAL 400W OF SOLAR PANELS, LCI WASTE MASTER SYSTEM
- PREMIUM PACKAGE
- HELUX COILED PIN BOX, 4 CAMERA SYSTEM, SLIDE ROOM AWNING TOPPERS W/METAL WEATHER SHIELDS, OUTSIDE TV, STARLINK STD
- KIT
- CARBON MONOXIDE DETECTOR
- RVIA SEAL
- Front Kitchen
- Kitchen Island
- Rear Bedroom
2026 Forest River RiverStone 421FK Features
-
Exterior
Slideout
2026 Forest River RiverStone 421FK Specifications
Height
13' 4"
Length
45' 0"
Width
8' 6"
Dry Weight
18,331 lbs
GVWR
24,000 lbs
Hitch Weight
3,270 lbs
Payload Capacity
5,669 lbs
Refrigerator Capacity
18 cu ft
Sleep Capacity
4
Water Capacity - Black
40 gal
Water Capacity - Fresh
79 gal
Water Capacity - Grey
120 gal
# Awnings
2
# Axles
2
# Doors
1
# Slides
5
Hitch
Fifth Wheel
# A/C
2
A/C Spec
15,000 BTU High Performance Quiet Cool A/Cs with Heat Pumps
2026 Forest River RiverStone Owners Manual 1
Unit Specs
- Stock #39781
- Year2026
- ManufacturerForest River
- Make Forest River
- ModelRiverStone
- Floorplan421FK
- Floorplan LayoutFront Kitchen
Kitchen Island
Rear Bedroom - Type Fifth Wheel
- ConditionNew
- Length45' 0"
- VIN005634
- Price $222,585.00
- Sale Price $134,999.00
- Need to know your payment? Use our RV Loan Calculator!
- Exterior ColorFrost, Mercury, Blue Ice, Riptide Red Paint Option
- Sleeps4
- Water Capacity (Fresh)79 gal
- Water Capacity (Black)40 gal
- Water Capacity (Grey)120 gal
- Slideouts5
- Tow/Hitch Weight3270 lbs
Email Dealer
Request More Info on this 2026 Forest River RiverStone 421FK Offered for sale by Best RV Center
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