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Forest River Salem Hemisphere ROOST43

Fifth wheelbuilt 2025– (in production)Mixed build tierFindable on the used market
WHAT ONE COSTS
$142,200MSRP today

Still in production. A used 2023 would run roughly $83,900.

WHAT IT WEIGHS BEHIND YOUR TRUCK
~16,319 lbestimated as towed, for 2 people

dry weight 15,044 lb + fresh water (57 gal, full) 475 lb + propane + battery 200 lb + gear for 2 600 lb. Brochure dry weight omits water, propane, batteries and your gear; this estimate doesn't.

You want a tow rating around18,135 lb (10% margin)
GVWR (the sticker maximum)17,995 lb
Tongue weight, loaded~3,070 lb (19%)
Cargo capacity2,951 lb
WHICH TOW VEHICLES IT FITS: 15 OF 95

Judged the way the app judges: estimated loaded weight against each vehicle's rating less a 10% margin, per model year, because the ROOST43's published weights held steady. Fifth wheels also need a pickup bed and are held to the fifth-wheel rating where published.

VEHICLETOW RATINGVERDICT
Chevrolet Silverado / GMC Sierra 2500HD (Duramax, max tow) '24-2622,500 lbfits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 2500HD (Duramax) '20-2318,510 lbfits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 3500HD (Duramax DRW, gooseneck) '20-2636,000 lbfits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 3500HD (Duramax DRW, gooseneck) '11-1923,300 lbfits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 diesel, gooseneck) '20-2222,800 lbfits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 HO diesel, gooseneck) '23-2623,000 lbfits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '17-1932,500 lbfits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '20-2237,000 lbfits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '11-1621,600 lbfits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 HO diesel DRW, gooseneck) '23-2638,000 lbfits, loaded, with 10% margin
Ford F-450 Super Duty (6.7 HO diesel DRW, gooseneck) '23-2640,000 lbfits, loaded, with 10% margin
Ram 2500 (6.7 Cummins HO) '19-2620,000 lbfits, loaded, with 10% margin
Ram 3500 (6.7 Cummins DRW, gooseneck) '13-1831,210 lbfits, loaded, with 10% margin
Ram 3500 (6.7 Cummins HO DRW, gooseneck) '25-2636,610 lbfits, loaded, with 10% margin
Ram 3500 (6.7 Cummins HO DRW, gooseneck) '19-2437,090 lbfits, loaded, with 10% margin
The 80it doesn't fit

These verdicts assume 2 people aboard with typical gear. See the margin for your truck and your crew →

THE SPECS
Length43.8 ft
Height (incl. A/C)13.4 ft
Width8.4 ft
Interior height6.7 ft
GVWR17,995 lb
Dry weight15,044 lb
Dry tongue weight2,830 lb
Cargo capacity2,951 lb
Sleeps8
Axles2
Fresh water57 gal
Grey water78 gal
Black water78 gal
Air conditioning45,000 BTU
Awning20 ft

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

WHERE PEOPLE SLEEP
  • 1× Main bedroom king(Permanent)72×80
  • 2× Loft beds(Permanent)—
  • 2× Sofa and dinette(Convertible)—
HOW IT'S BUILT: 4/5
WallsLaminated fiberglass
FrameAluminum
RoofWalk-on
UnderbellyEnclosed

Forest River (Mixed tier): Salem

YEAR BY YEAR: WHAT CHANGED
  • 2025Introduced as the line flagship
FINDING ONE

Findable: a few listed nationwide most weeks. Why: Forest River is a volume manufacturer; only 2 model years; still in production. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

530 sq ft flagship with triple 15,000 BTU A/C and 6'8" clearance in every room; needs a serious truck.

OTHER SALEM HEMISPHERE FLOORPLANS
261FKRB · 9,820 lb · sleeps 2265BSRB · 9,740 lb · sleeps 2270FKS · 9,840 lb · sleeps 4271RL · 9,985 lb · sleeps 6273RL · 10,010 lb · sleeps 6286RL · 12,071 lb · sleeps 4291RL · 12,130 lb · sleeps 4295BH · 12,185 lb · sleeps 10308RL · 11,385 lb · sleeps 6310BHI · 11,445 lb · sleeps 8314BUD · 11,510 lb · sleeps 10320VIEW · 14,040 lb · sleeps 6321DRL · 14,025 lb · sleeps 4322VIEW · 11,700 lb · sleeps 4the whole line →
Find one for sale

Live listings for the ROOST43 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 Salem Hemisphere line ↗

Is the ROOST43 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 manufacturer spec sheets, retrieved 2026-07.