CamperHardlyKnowHer

Forest River Berkshire XLT 43B

Class Abuilt 2016–20Mixed build tierFindable on the used market
WHAT ONE COSTS
—price not published

The maker never published an MSRP for this floorplan. Unknown is not cheap — treat any asking price against comparable models, not against zero.

THE SPECS
Length42.8 ft
Height (incl. A/C)12.8 ft
Width8.3 ft
GVWR47,000 lb
Dry weightnot published
Sleeps8
Slide-outs4
Fresh water103 gal
Grey water66 gal
Black water42 gal
Air conditioning43,500 BTU
Fuel150 gal
Engine / chassisFreightliner XCR raised rail, Cummins L9 turbo diesel 450 hp, Allison 6-speed
Generator10 kW Onan diesel generator

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

WHERE PEOPLE SLEEP
  • 1× King bed in bedroom slide(Permanent)72×80
  • 2× Bunks(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
  • 2016Introduced
  • 2020Cummins L9 450 hp, GVWR 47,000 lb; final model year
FINDING ONE

Findable — a few listed nationwide most weeks. Why: Forest River is a volume manufacturer. Estimated from build volume and production span — not a count of live listings.

THE READ

43-foot XLT bunkhouse sleeping eight, the family plan before the 45s took over.

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 5390RB · 27,910 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 6the whole line →
Is the XLT 43B 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 and watch the whole market re-rank around them. Nothing gets hidden, everything gets explained.

Rank it against your setup →

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