CamperHardlyKnowHer

Forest River Berkshire XL 40D

Class Abuilt 2019–25Mixed build tierCommon 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
Length41.0 ft
Height (incl. A/C)12.8 ft
Width8.3 ft
GVWR38,320 lb
Dry weightnot published
Sleeps8
Slide-outs4
Fresh water103 gal
Grey water66 gal
Black water42 gal
Air conditioning45,000 BTU
Awning18 ft
Fuel100 gal
Generator10 kW Onan diesel generator

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

WHERE PEOPLE SLEEP
  • King bed in bedroom slide, motorized Tilt-a-View(Permanent)72×80
  • Bunks(Permanent)
  • Sofa bed(Convertible)
  • Free-standing dinette option with hutch and four chairs(Convertible)
HOW IT'S BUILT — 4/5
WallsAzdel composite
FrameSteel
RoofStandard
UnderbellyEnclosed

Forest River (Mixed tier): Forest River

YEAR BY YEAR — WHAT CHANGED
  • 2019Introduced
  • 2025Final model year
FINDING ONE

Common — usually several for sale within a day’s drive. Why: Forest River is a volume manufacturer. Estimated from build volume and production span — not a count of live listings.

THE READ

Four-slide XL bunkhouse rated for eight; dropped after 2025.

OTHER BERKSHIRE FLOORPLANS
Is the XL 40D 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 manufacturer spec sheets, retrieved 2026-07.