- Sale Price: $154,995
- MSRP: $219,529
- Save: $64,534
-
44ft long
-
18,786 lbs
-
Sleeps 4
-
6 slides
-
Front KitchenKitchen Island
Ask the Product Expert
Disclaimer: Responses provided by Ask the Product Expert are created by AI and offer general content for informational purposes only and should not be considered professional advice or official representation of vehicle features, pricing, or availability. Our dealership did not create and is not responsible for the information. The information provided may be incomplete or inaccurate and should be checked. For the most up-to-date and accurate information, please contact our dealership directly. Any offers, pricing, or availability mentioned by the AI-generated response are not binding and are subject to verification by authorized dealership personnel.
When using the AI Product Expert the questions you submit, the responses provided by the AI Product Expert, and your IP Address will be captured. This data is captured in an anonymized manner and used to i) improve the accuracy and capabilities of the AI Product Expert, and ii) prevent bots or other abuse of the tool. Information will be captured so that the data cannot be identified to a specific customer. Please refrain from including identifying or personal information in any question you submit to the AI Product Expert. Collection and use of information will be in accordance with our Privacy Policy.
421FK Floorplan
Specifications
| Sleeps | 4 | Slides | 6 |
| Length | 44 ft | Ext Width | 8 ft 6 in |
| Ext Height | 13 ft 4 in | Hitch Weight | 3635 lbs |
| GVWR | 24000 lbs | Dry Weight | 18786 lbs |
| Cargo Capacity | 5214 lbs | Fresh Water Capacity | 79 gals |
| Grey Water Capacity | 120 gals | Black Water Capacity | 40 gals |
| Tire Size | 17.5" | Furnace BTU | 40000 btu |
| Available Beds | King | Refrigerator Type | French Door with Ice Maker |
| Refrigerator Size | 18 cu ft | Convection Cooking | Yes |
| Cooktop Burners | 4 | Number of Awnings | 2 |
| Axle Weight | 8000 lbs | LP Tank Capacity | 40 lbs |
| Water Heater Type | Truma Aqua Go Comfort On Demand | AC BTU | 30000 btu |
| TV Info | LR 65" Samsung LED Smart TV, BR 40" Smart LED TV | Awning Info | 16' Electric with LED Lights |
| Axle Count | 2 | Washer/Dryer Available | Yes |
| Number of LP Tanks | 2 | Shower Type | Standard |
| Electrical Service | 50 amp | VIN | 4X4FRS836T0005387 |
Description
Forest River RiverStone 421FK Fifth Wheel for Sale in Middlebury, IN
If you're searching for a luxury fifth wheel in Indiana with a residential front kitchen layout and high-end amenities, the Forest River RiverStone 421FK is a top-tier choice. Available now at Royal RV Center in Middlebury, IN, this model is built for full-time living, extended stays, and ultimate comfort.
Front Kitchen with Residential Design
The front kitchen layout offers a true home-like cooking experience:
- Large kitchen island with prep space
- Three-burner cooktop
- Dishwasher for easy cleanup
- High-top dinette with bar stools overlooking the living area
- Plenty of cabinetry and storage
Spacious Living Area
Relax in the center living room featuring:
- Theater seating across from the entertainment center
- E-Z Glide sofa bed for additional sleeping
- Fireplace and 65" Samsung Smart TV
- Open layout perfect for entertaining
Private Rear Bedroom Retreat
Enjoy a comfortable and quiet space with:
- 72" x 80" king bed slide
- Large rear wardrobe
- Dresser with 40" LED TV
- Stackable washer and dryer
Spa-Like Bathroom
The full bathroom includes:
- Dual vanity sinks
- Spacious shower
- Plenty of storage for linens and essentials
Work-From-Anywhere Ready
A dedicated desk slide provides space to work remotely while traveling.
Built for Luxury & Full-Time Living
- Six-point hydraulic auto-leveling system
- LCI Road Armour suspension
- Dual-pane frameless windows
- Full docking station
Smart Technology & Off-Grid Capability
- BMPro touch control system
- TravlFi 4G/LTE router with WiFi extender
- 200W solar panel
- Prep for four-camera observation system
High-End Residential Features
- Fisher Paykel dishwasher
- Premium appliances and finishes
- Designed for long-term comfort and durability
Available at Royal RV Center
Visit Royal RV Center in Middlebury, Indiana, proudly serving Indiana, Michigan, Ohio, and beyond, to explore the Forest River RiverStone 421FK fifth wheel and experience luxury living wherever your travels take you.
Features
Standard Features (2026)
Standard Interior Package
- 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
Standard Exterior Package
- Batten Insulation in Side Walls, Slideouts, Ceiling, and Floors
- 3/8" Roof Decking
- Fiberglass Roof
- 17.5" H-Rated Cooper Tires with Aluminum Rims
- Hydraulic Slideouts on Main Level and Bed Slides
- Electric Awning with LED Lights
- Side Turning Lights
- LCI Road Armour Suspension System
- 3" Hung Glass Exterior Walls with High Gloss Gel Coat Exterior
- Tandem 8,000 lb. Axles / 7,000 lb. Tri-Axles
- 32" x 78" Entry Door with Friction Hinges
- Dual Pane Frameless Windows
- 12v Heated Full Docking Station
- Two 15,000 BTU High Performance Quiet Cool A/Cs with Heat Pumps
- 12V Powered 50 Amp Cord Reel
- Painted Full Front and Rear Fiberglass Caps (N/A 419RD, 42FSKG, 421FK, 425FO – front caps only)
- MORryde Entry Step at Main Door
- MORryde Safe-T-Rail
- Water Manifold System
- Composite Slideout Floors
- Two Dual 6V or 12V Slide-Out Battery Trays
- High Visibility Chrome LED Tail Lights
- 2" Hitch Receiver for Bike Rack (300 lb. rating) (N/A in Toy Hauler Models)
- Dual 40 lb. LP Tanks
- Electric Dump Valves
- Rivited Fenders
RiverStone Luxury Package (Mandatory)
- Automatic 6-Point Hydraulic Level-Up System
- Four Camera Observation System Prep
- TravlFi Journey XTR 4G/LTE Router & WiFi Extender
- Splendide “Astral” Stackable Washer and Dryer
- Stained or Painted Hardwood Cabinetry and Stiles Throughout
- 40" LED TV in Bedroom
- 12V Heated Holding Tanks
- Fisher & Paykel Dishwasher
- Ceiling Fan (N/A on 425FO)
- Truma Aqua Go Comfort On-Demand Hot Water Heater
- LP Generator Prep
- BMPro Energy Management System
- Tank Sensors Display (Grey, Black and Fresh) Integrated with BMPro Readout
- Tire Pressure Sensors
- Additional Campside Awning with Weathershield
- Two Folding Chairs (N/A 421FK, 42FSKG)
Garage Model Standards
- Triple 7,000 lb. Axles
- 66" x 80" Residential 10" Memory Foam Mattress
- MORryde Zero Gravity Ramp Door
- 110" Deep, 64" Wide, 82" Tall (Bed up position) 58" Tall (Bed down position) Cargo Area (42FSKG)
Ultimate Electronics Package (Mandatory)
- 65" Samsung LED Smart TV in Living Room (39RKFB, 421FK, 42FSKG)
- 50-55" Samsung LED Smart TV in Living Room (425FO, 44DBL, 442MC Models)
- Klipsch Premium Sound Bar
- 2,000W Inverter
- BMPro Touch Control System
- 200W Solar Panel with 50Amp MPPT Controller
- Pre-Wire Prep for Two Additional Solar Panels
Optional Legacy Package
- Full Body Paint
- Hydraulic Disc Brakes
- 3rd High Performance AC w/ Heat Pump
- 400W Additional Solar 100AH Lithium Battery
- LCI Waste Management System
Additional Options
- 3rd A/C (15,000BTU) with Heat Pump
- 5.5 Onan Marquis Gold LP Generator
- Cadet Wall Mounted Electric Heater in Bedroom
- Trail Air 21K Hitch (39RKFB)
- Furrion Four Camera System with 7" Monitor Screen—Rear, Side and Main Entry Door Views
- Slide Room Awning Toppers with Metal Weather Shields
- Two Additional 200W Solar Panels
- MORryde Independent Suspension System
- Hydraulic Disc Brakes
- 40" SMART Outside TV
- 50" SMART Outside TV (42FSKG only)
- Queen Bed Suite IPO King Bed Suite
- 2nd Sofa IPO Desk (39RKFB, 42FSKG, 421FK)
- Ceramic Coating
- Additional Lithium Batteries (up to 4 Total)
- Starlink Kit IPO TravlFI
See us for a complete list of features and available options!
All standard features and specifications are subject to change.
All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.
Due to the current environment, our features and options are subject to change due to material availability.
Save your favorite Rvs as you browse. Begin with this one!
-
JohnWill Recommend
I will definitely be recommending Royal RV & Auto to my family and friends!
Loading
Royal RV Center is not responsible for any misprints, typos, or errors found in our website pages. All percent off numbers are rounded to the nearest percent. Any price listed excludes sales tax, registration tags, and delivery fees. Payments are estimates based on 10% down and 7.99% APR for qualified buyers. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us @574-822-7100 for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available. No hidden fees! No prep/delivery fees! No games! $250 doc fee only. Tax and title varies by state.
Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.

