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New 2025 Forest River RV Sierra 4003MB

Fifth Wheel

Stock #45583W126B

Clio, MI

1 of 1

Payments From: $34 /mo.

Salesperson

Karin Florida

Email Karin Florida

810-206-2467

Sleeps 8
4 Slides
Bunkhouse

Rear Living Area

43ft Long
12,609 lbs

See All Specs

Specifications

Sleeps	8	Slides	4
Length	42 ft 9 in	Ext Width	8 ft
Hitch Weight	2010 lbs	GVWR	15500 lbs
Dry Weight	12609 lbs	Cargo Capacity	2891 lbs
Fresh Water Capacity	50 gals	Grey Water Capacity	100 gals
Black Water Capacity	50 gals	Tire Size	16"
Furnace BTU	35000 btu	Number Of Bunks	1
Available Beds	King	Refrigerator Type	12V
Refrigerator Size	16.8 cu ft	Cooktop Burners	3
Number of Awnings	1	Axle Weight	7000 lbs
LP Tank Capacity	30 lbs	Water Heater Capacity	60000 gal
Water Heater Type	On Demand	AC BTU	30000 btu
TV Info	LR 50" Flat Screen TV	Awning Info	20' Electric w/LED Light Strip
Washer/Dryer Available	Yes	Number of LP Tanks	2
Shower Type	Shower w/Seat

Description

Forest River Sierra fifth wheel 4003MB highlights:

Kitchen Island
Four Slides
Shower with a Seat
Pass-Through Storage
Free-Standing Table and Chairs
Middle Bunkroom

Have you been looking for a luxury fifth wheel with space for overnight guests or even an office? This model is the one! You will have your own private bedroom up front with a king bed slide out, a dresser with TV prep, plus a walk-in wardrobe with shelves and washer/dryer prep. If you have little ones or guests, they can take the middle bunkroom with a hide-a-bed sofa and bunk bed above, and the desk in this room will allow you to make it into an office if you need. There is even a loft bunk above this room with a ladder for more sleeping or storage space! The main living area includes theater seating across from the entertainment center with a hidden pantry, and a second hide-a-bed sofa in this space can also be converted to sleeping space for tag-along campers. The chef will love the kitchen island for more counter space, a 12V refrigerator, plus an outside kitchen to enjoy the nice weather while they make dinner.

Each one of these Forest River Sierra fifth wheels are equipped with everything you need to make the most of each adventure! The underbelly armor will protect your unit's vitals from road debris and the painted two tone aerodynamic fiberglass front cap has an improved turning radius to make them easier to navigate. With an electric leveling system, you can set your unit up quick and easy then get to having fun faster than ever. The welded aluminum framed, vacuum bonded laminated superstructure will hold up through every adventure and the cambered powder coated frame comes with rust prohibitor to last longer. Each model also includes the Summit Package that comes with a king Wi-Fi extender system and Olympus antenna, a full coach water filter system, Goodyear tires with 7,000 lb. axles, and the list goes on. The interior is just as impressive with rustic wood plank linoleum, recessed residential lighting, a memory foam mattress, and mocha accent crown molding over the kitchen cabinets!

Features

Standard Features

Exterior Features

Automatic Electric Level-Up System
2" Towing and Accessory Hitch (N/A 3990FL, 4002FB)
7,000lb axles with Anti-lock Braking System
GoPower 200W roof mounted solar panel with controller and battery
Quad MORryde® step above with strut
Goodyear Radial Tires
Color match high gloss gel coated colored exterior fiberglass
Painted two tone aerodynamic fiberglass front cap with improved turning radius
Underbelly Armor
TST Tire Pressure Monitoring System
Enclosed and heated dump valves
16” Spare tire kit
Large tinted windows with 80/20 UV prohibitor
Electric awning with LED light strip
Prepped for Lippert On-The-Go Ladder
Power front jacks with spring loaded snap pins
Automotive-style fender skirts
Hitch light
Porch light with interior switch
30 lb. double LP tanks with auto change over
Two exterior speakers
Rain gutters with extra long drip spouts (Prevents black streaking)
Insulated heavy duty slam lock baggage doors
Exterior foldable grab handle
Unobstructed pass thru storage area
Upgraded aluminum rims
Oversized friction hinge entry door

Interior Features

Stainless steel appliances
Rustic wood plank linoleum
Hidden hinged, soft close drawers and cabinets
Solid Surface Countertops
Fiberglass one-piece shower with folding teak seat
Washer and Dryer Prep
Stainless steel under mounted kitchen sink
Decorative backsplash
Two color coordinated interiors
LED lighting throughout
Recessed residential lighting
Accent lighting over dinette
Mocha accent crown molding over kitchen cabinets
Extra large, panoramic picture windows throughout
Vented side windows in slideouts
TV antenna with booster
Solid wood drawer fronts with birch sides
Upgraded raised panel cabinet doors with designer rails
Bedroom slideout fascia
Memory foam mattress
Teddy Bear® bunk mats
50” flat screen TV
Premium soundbar with built in DVD player
Designer window treatment accented per décor
Ceiling fan
Tri-fold hide-a-bed sofa
Residential stain resistant carpet
Quilted bedspread

Appliances/Systems

Dual 15,000BTU Ducted Air Conditioners
17 cu. ft. 12V refrigerator
60,000BTU tankless water heater
Heated Holding Tanks (12V)
Floor ducted 35,000 BTU furnace
30” OTR stainless steel microwave
Three burner high output range with 22” oven
Interior monitor panel for holding tanks
Satellite and cable hookup with RG-6 cable for high quality picture
Porcelain foot flush toilet(s)
65 Amp converter
Power fan in bathroom

Construction

Welded aluminum-framed, vacuum bonded laminated superstructure
3/8" roof decking
Cambered powder coated frame with rust prohibitor
Fully enclosed underbelly
5” truss roof rafters
R-10 sidewall construction
Laminated sidewalls
Laminated slideout walls

For Your Safety

Smoke alarm
Fire extinguisher
Breakaway switch (Battery hook-up required)
Dead-bolt lock on entry door
LP/CO gas detector
Fire escape windows

Popular Options

Free Standing Dinette in place of Booth
Central vacuum
Slide room awnings (All slides)

Polar Tech Package (Optional)

Dual pane windows
40K BTU furnace

Summit Package

Electric Leveling System
Goodyear Tires with 7,000lb axles
2" Rear Receiver Hitch and 4-Pin Connector
Two 15,000BTU Air Conditioners
Anti-lock Braking System
Tire Pressure Monitoring System
60,000BTU On Demand Water Heater
BoonDocker Solar System-200W Panel with controller & battery
MORryde Steps with Strut (wherever available)
Heated and Enclosed Holding Tanks (12V pads)
Washer and Dryer Prep
King Wi-Fi Extender System and Olypmus Antenna
Underbelly Armor
Soft Close Residential Drawers & Cabinets Throughout
50 " Flat Screen Television
4 Camera Security Prep with Back-Up Cam
Full Coach Water Filter System
Power Fan in Bathrooms and Kitchen
Enclosed, One-Piece Docking Station
Color Matched Gel coated Fiberglass Exterior
Aerodynamic Two Tone Fiberglass Painted Front Cap with Lights
High Efficiency Radiant Foil (Roof and Floor)
Spare Tire

Chef's Kitchen Package

17 Cubic FT Stainless Refrigerator (12V)
Stainless Range with Cast Iron Grates
Solid Surface Countertops
Stainless Apron Sink with Strainer
Commercial Style Kitchen Faucet
30" Over-the-Range Stainless Microwave
Countertop Extension
Designer Backsplash

Please 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.

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810-310-3878 or Contact Us

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810-310-3878
Contact Us
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TradeWinds RV is not responsible for any misprints, typos, or errors found in our website pages. All prices and payments listed exclude sales tax, title, license, administrative processing, dealer prep and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us @810-310-3878 for availability as our inventory changes rapidly. All calculated payments are an estimate only, do not constitute an offer of credit, and are subject to lender approval. Advertised monthly payment is based on 20% cash down, plus tax, title and registration, at 8.99% APR for 144 months on amounts under $25,000, at 8.99% APR for 180 months on amounts from $25k to $50,000, at 8.49% for 240 months on amounts from $50k to $150,000, and at 7.99% APR on amounts over $150k. Actual loan terms will vary depending on your specific credit situation. Advertised sale price is applicable only with indirect finance contract arranged by dealership.

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.

New 2025 Forest River RV Sierra 4003MB

4003MB Floorplan

Specifications

Description

Features