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RVs/Forest River Inc./Sierra Fifth Wheels 4003MB
Sierra Fifth Wheels 4003MBAllRVs Certified
Fifth Wheel · 2026

Sierra Fifth Wheels 4003MB

Sleeps 742.8 ft
Manufacturer brochure (PDF)
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Specifications

Overview
Year2026
ClassFifth Wheel
Dimensions
Overall length42.8 ft
Weights & towing
GVWR15,500 lbs
Dry weight12,609 lbs
Sleeping & bath
Sleeps7
Slide-outs4