CamperHardlyKnowHer

Forest River Berkshire XL 37A

Class Abuilt 2018–25Mixed 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
Length38.7 ft
Height (incl. A/C)12.8 ft
Width8.3 ft
GVWR38,320 lb
Dry weightnot published
Sleeps4
Slide-outs4
Fresh water103 gal
Grey water66 gal
Black water42 gal
Air conditioning30,000 BTU
Awning17.5 ft
Fuel100 gal
Generator8 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, motorized Tilt-a-View(Permanent)72×80
  • 1× Sofa bed(Convertible)—
HOW IT'S BUILT — 4/5
WallsAzdel composite
FrameSteel
RoofStandard
UnderbellyEnclosed

Forest River (Mixed tier): Forest River

YEAR BY YEAR — WHAT CHANGED
  • 2018Introduced as the short XL
  • 2025Final model year; replaced by the 37B
FINDING ONE

Common — usually several for sale within a day’s drive. Why: Forest River is a volume manufacturer; 8-year production run. Estimated from build volume and production span — not a count of live listings.

THE READ

Four-slide couples XL under 39 feet - the shortest coach that still got the 380 hp ISL.

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 37B · 38,320 lb · sleeps 6XL 40A · 33,000 lb · sleeps 4the whole line →
Is the XL 37A 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.