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Condition: New
Exterior Length: 42 ft 9 in
Sleeps: 8
Number of Slide Outs: 4
Number of Axles: Tandem
Fresh Water Tank Capacity: 50 gal
Description: Introducing the 2026 Forest River RV Sierra 4003MB, a fifth-wheel designed for families and adventure seekers alike. With a generous length of 42.7...
Updated: Friday, October 23, 2026 11:09 AM
Seller: Zoomers RV
