New 2026 Forest River Rockwood 403SDB

Introducing the new 2026 Forest River Rockwood Signature 403SDB fifth wheel, a high end luxury coach designed for maximum comfort, space and versatility. With a rare two full bathroom layout and residential features throughout, this unit is ideal for extended travel, full time living or hosting guests.

Step inside to a spacious interior featuring four slideouts that create a wide open and comfortable living area. The main living space includes theater seating, a sofa, entertainment center and large panoramic windows that bring in natural light, delivering a true residential feel.

One of the standout features of this model is the dual bathroom design. This floorplan includes two full bathrooms, making it perfect for couples traveling with guests or for those who want added convenience and privacy.

The kitchen is centrally located and built for both function and style. It features a large island, solid surface countertops, a 12 volt refrigerator, three burner cooktop, oven and microwave. Ample cabinetry and pantry storage make it ideal for extended stays.

The private bedroom offers a queen bed with wardrobe storage and washer dryer prep, creating a comfortable retreat with residential convenience.

Built with Rockwood Signature construction, this unit includes aluminum framing, laminated walls and premium features such as auto leveling, frameless windows and solar prep. These features make it ideal for long term travel in a wide range of climates.

Exterior features include multiple power awnings, pass through storage and durable construction designed for long term use and reliability.

If you are looking for a luxury fifth wheel with maximum space, unique features and residential comfort, the 2026 Forest River Rockwood Signature 403SDB is an excellent choice. Contact our Marana location today to check availability or schedule a personal walkthrough.

Full Spec Sheet

Exterior Length

41 ft

Exterior Width

Approximately 8 ft

Exterior Height

13 ft 5 in

Dry Weight

12,824 lb

Gross Vehicle Weight Rating

Approximately 15,500 lb

Cargo Carrying Capacity

2,674 lb

Hitch Weight

2,190 lb

Number of Slideouts

4

Sleeping Capacity

Up to 4 people

Fresh Water Tank Capacity

54 gallons

Gray Water Tank Capacity

131 gallons

Black Water Tank Capacity

92 gallons

Propane Capacity

Dual 30 lb tanks

Air Conditioning

Dual or triple system capable

Furnace

35,000 BTU

Water Heater

12 gallon gas or electric system

Kitchen Features

Island kitchen 12V refrigerator three burner cooktop oven microwave pantry storage

Bathroom Features

Two full bathrooms with showers toilets sinks and vanity storage

Bedroom Features

Front queen bed wardrobe storage washer dryer prep

Living Area Features

Quad slideouts theater seating sofa entertainment center large windows

Exterior Features

Multiple power awnings pass through storage auto leveling

Construction Features

Aluminum frame laminated walls enclosed underbelly solar prep frameless windows

Recommended Use

Ideal for full time living extended travel families or guests and luxury fifth wheel buyers