2026 Forest River RiverStone 421FK

NewFifth wheel|Stock #39781|Located at Best RV Center in Turlock, CA
$151,995$222,585
Save $70,590

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

Specifications

Length

45 ft

Dry weight

18,331 lbs

Sleeps

4 people

Slideouts

5

Unit features & options

  • 3.7 CF oven with 4 burner range
  • Upgraded Calcutta Solid Surface Countertop in kitchen
  • Large Stainless Steel Kitchen Sinks with Residential-Style Faucet
  • 18 CU. FT. French Door Refrigerator with Ice Maker
  • Vinyl Flooring
  • LED Lighting Throughout
  • 30” Stainless Steel Microwave with Convection
  • Oval Porcelain Toilet with Foot Flush
  • Cordless Vacuum
  • 40,000 BTU Furnace
  • 10” Thick Memory Foam Mattress 72”x80” Standard
  • Vinyl Flooring in Slideouts
  • Day/Night Roller Shades Throughout
  • 5200 BTU Fireplace in Living Room
  • Solid Surface Sink Covers
  • Overhead Storage Cabinets in Main Level Living Room
  • Sofa/Desk Slides
  • Residential Soft Close Hinges on Cabinet Doors
  • Soft Close Drawer Glides
  • Hardwood Dovetail Glides
  • Under-bed Storage Compartment
  • Solid Surface Backsplash
  • Batten Insulation in Side Walls, Slideouts, Ceiling, and Floors
  • 3/8" Roof Decking

Full specifications

AC BTU30000 btu
Available BedsKing
Awning Info16' Electric with LED Lights
Axle Count2
Axle Weight8000 lbs
Black Water Capacity40 gals
Cargo Capacity5669 lbs
Cooktop Burners3
Dry Weight18331 lbs
Electrical Service50 amp
Ext Height13 ft 4 in
Ext Width8 ft 6 in
Exterior ColorFrost, Mercury, Blue Ice, Riptide Red Paint Options
Fresh Water Capacity79 gals
Furnace BTU40000 btu
GVWR24000 lbs
Grey Water Capacity120 gals
Hitch Weight3270 lbs
LP Tank Capacity40 lbs
Length45 ft
Number of Awnings2 ft
Number of LP Tanks2
Refrigerator Size18 cu ft
Refrigerator TypeFrench Door with Ice Maker
Shower TypeStandard
Sleeps4
Slides5
TV InfoLR 65" Samsung LED Smart TV, BR 40" LED TV
Tire Size17.5"
Washer/Dryer AvailableYes
Water Heater TypeTruma Aqua Go Comfort On Demand

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2026 RiverStone 421FK

2026 RiverStone 421FK
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