Built on a Freightliner XC raised rail chassis, the Forest River Berkshire 390QS pairs a Cummins 6.7-liter turbo diesel with an Allison six-speed automatic, full air brakes, air suspension, and an exhaust brake for confident travel. Its single full bath and spacious Class A layout support comfortable extended stays, while the steel basement construction, vacuum-bonded walls, and fiberglass roof add substantial structure. Available upgrades include full-body automotive paint, dual-pane dark-tint windows, slide-out storage trays, an 8.0 kW Onan diesel generator, and swivel recliner seating for both cockpit seats.
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Class a motorhomes that share features with the Berkshire 390QS, like chassis freightliner.
