2026 Forest River RiverStone 421FK

New Fifth Wheel in Turlock, California, 95382

$151,995.00

New 2026 Forest River RiverStone 421FK available in Turlock, California

2026 Forest River RiverStone 421FK - New Fifth Wheel For Sale by Best RV Center in Turlock, California features Slideout

2026 RiverStone 421FK by Forest River from Best RV Center in Turlock, California

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 $151,995.00
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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

Looking to buy a 2026 Forest River RiverStone Fifth Wheel RV?

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

Dimensions

Height

13' 4"

Length

45' 0"

Width

8' 6"

Weights

Dry Weight

18,331 lbs

GVWR

24,000 lbs

Hitch Weight

3,270 lbs

Payload Capacity

5,669 lbs

Capacities

Refrigerator Capacity

18 cu ft

Sleep Capacity

Water Capacity - Black

40 gal

Water Capacity - Fresh

79 gal

Water Capacity - Grey

120 gal

Exterior

# Awnings

# Axles

# Doors

# Slides

Hitch

Fifth Wheel

Electrical

# A/C

A/C Spec

15,000 BTU High Performance Quiet Cool A/Cs with Heat Pumps

*MFG Specs are for the base unit. Certain options may change specifications listed. Please consult dealer for more details. RVUSA.com cannot guarantee the accuracy of the data presented.