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Forest River Berkshire 390RB

Class Abuilt 2011–13Mixed build tierPatient search on the used market
WHAT ONE COSTS
$120,900est. used (2013, 13 yr old)

Sticker was $259,607 in 2013. Out of production since 2013, so the used market is the only way to buy one. Estimate assumes a 2013 unit.

THE SPECS
Length39.3 ft
Height (incl. A/C)12.2 ft
Width8.3 ft
Interior height7.0 ft
GVWR27,910 lb
Dry weightnot published
Sleeps5
Slide-outs4
Fresh water86 gal
Grey water60 gal
Black water44 gal
Air conditioning13,500 BTU
Fuel100 gal
Generator8 kW Onan diesel generator

A missing row means the maker never published that figure: unknown, not zero.

WHERE PEOPLE SLEEP
  • 1× Queen bed(Permanent)—
  • 1× Sofa bed(Convertible)—
  • 1× Dinette(Convertible)—
HOW IT'S BUILT: 4/5
WallsAzdel composite
FrameSteel
RoofStandard
UnderbellyEnclosed

Forest River (Mixed tier): Forest River

YEAR BY YEAR: WHAT CHANGED
  • 2011Introduced
  • 2013Final model year
FINDING ONE

Patient search: weeks of watching, and probably some travel. Why: Forest River is a volume manufacturer; 13 years out of production. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Rear-bath first-generation plan, the couples alternative to the 390BH.

OTHER BERKSHIRE FLOORPLANS
34B · 32,400 lb · sleeps 534QS · 32,400 lb · sleeps 7360FWS · 28,000 lb · sleeps 4360QS · 28,000 lb · sleeps 538A · 33,350 lb · sleeps 5390BH · 27,910 lb · sleeps 6390QS · 28,000 lb · sleeps 539A · 33,400 lb · sleeps 539B · 33,400 lb · sleeps 7400BH · 29,500 lb · sleeps 540F · 37,320 lb · sleeps 7XL 37A · 38,320 lb · sleeps 4XL 37B · 38,320 lb · sleeps 6XL 40A · 33,000 lb · sleeps 4the whole line →
Find one for sale

Live listings for the 390RB on the big marketplaces. Each search opens pre-filled with this exact floorplan:

RV Trader ↗Camping World ↗FB Marketplace ↗Google ↗

Inventory varies by site and day. Slim pickings? search the whole Berkshire line ↗

Is the 390RB your #1, or just a spec sheet?

These are the facts. Whether it beats the other six thousand rigs for you depends on what you care about. Set your priorities as sliders, switch on your hard limits, and watch the whole market re-rank around them. Every exclusion explained, every margin shown.

See where it ranks for you →

Data compiled from dealer and aggregator listings, retrieved 2026-07.