CamperHardlyKnowHer

Forest River Sandpiper 3370RLS

Fifth wheelbuilt 2023– (in production)Mixed 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.

WHAT IT WEIGHS BEHIND YOUR TRUCK
~11,536 lbestimated as towed, for 2 people

dry weight 10,319 lb + fresh water (50 gal, full) 417 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 around12,820 lb (10% margin)
GVWR (the sticker maximum)13,560 lb
Tongue weight, loaded~1,744 lb (15%)
Cargo capacity3,241 lb
WHICH TOW VEHICLES IT FITS — 20 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 3370RLS'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 2500HD (Duramax) '11-1918,100 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-150 (3.5 EcoBoost, max tow) '21-2314,000 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 diesel, tow pkg) '17-1918,000 lbfits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 diesel) '11-1616,600 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) '20-2237,000 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) '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 2500 (6.7 Cummins) '11-1817,980 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 75it doesn't fit
  • Chevrolet Colorado / GMC Canyon (2.7 Turbo HO, tow pkg) '23-26 — over by ~4,606 lb loaded
  • Chevrolet Colorado / GMC Canyon (2.8 Duramax) '15-22 — over by ~4,606 lb loaded
  • Chevrolet Silverado / GMC Sierra 1500 (6.2 V8, max tow) '19-26 — over by ~2,266 lb loaded
  • Chevrolet Silverado 1500 (max tow) '14-18 — over by ~1,096 lb loaded
  • Chevrolet Silverado EV (4WT) '24-26 — over by ~286 lb loaded
  • Chevrolet Suburban (5.3 V8, max tow) '21-26 — no pickup bed — cannot hitch a fifth wheel
  • Chevrolet Tahoe (5.3 V8, max tow) '21-26 — no pickup bed — cannot hitch a fifth wheel
  • Chevrolet Traverse (tow pkg) '18-26 — no pickup bed — cannot hitch a fifth wheel
  • Chrysler Pacifica '17-26 — no pickup bed — cannot hitch a fifth wheel
  • Dodge Durango (5.7 / 6.4 Hemi, tow pkg) '14-26 — no pickup bed — cannot hitch a fifth wheel
  • Ford Bronco 4-dr (2.7 EcoBoost, tow pkg) '21-26 — no pickup bed — cannot hitch a fifth wheel
  • Ford Expedition (3.5 EcoBoost, tow pkg) '18-24 — no pickup bed — cannot hitch a fifth wheel
  • Ford Expedition (3.5 EcoBoost, tow pkg) '25-26 — no pickup bed — cannot hitch a fifth wheel
  • Ford Explorer (3.0 EcoBoost, tow pkg) '20-26 — no pickup bed — cannot hitch a fifth wheel
  • Ford F-150 (3.5 EcoBoost, max tow) '24-26 — over by ~1,816 lb loaded
  • Ford F-150 (3.5 EcoBoost, max tow) '11-14 — over by ~1,366 lb loaded
  • Ford F-150 (3.5 EcoBoost, max tow) '15-20 — over by ~826 lb loaded
  • Ford F-150 Lightning (max trailer tow) '22-26 — over by ~2,536 lb loaded
  • Ford Maverick (2.0 EcoBoost, 4K tow pkg) '22-26 — over by ~7,936 lb loaded
  • Ford Ranger (2.3 EcoBoost, tow pkg) '19-23 — over by ~4,786 lb loaded
  • Ford Ranger (2.7 EcoBoost, tow pkg) '24-26 — over by ~4,786 lb loaded
  • Ford Transit (HD tow pkg) '15-26 — no pickup bed — cannot hitch a fifth wheel
  • GMC Acadia (tow pkg) '20-26 — no pickup bed — cannot hitch a fifth wheel
  • GMC Hummer EV Pickup '22-26 — over by ~4,786 lb loaded
  • GMC Sierra EV '24-26 — over by ~736 lb loaded
  • GMC Yukon / Yukon XL (5.3 V8, max tow) '21-26 — no pickup bed — cannot hitch a fifth wheel
  • Honda Odyssey '18-26 — no pickup bed — cannot hitch a fifth wheel
  • Honda Passport (AWD) '19-26 — no pickup bed — cannot hitch a fifth wheel
  • Honda Pilot (AWD, tow pkg) '16-26 — no pickup bed — cannot hitch a fifth wheel
  • Honda Ridgeline (AWD) '17-26 — over by ~7,036 lb loaded
  • Hyundai Palisade (tow pkg) '20-26 — no pickup bed — cannot hitch a fifth wheel
  • Hyundai Santa Cruz (2.5T AWD) '22-26 — over by ~7,036 lb loaded
  • Jeep Gladiator (3.6 V6, max tow) '20-26 — over by ~4,606 lb loaded
  • Jeep Grand Cherokee (5.7 Hemi) '11-21 — no pickup bed — cannot hitch a fifth wheel
  • Jeep Grand Cherokee (WL, tow pkg) '22-26 — no pickup bed — cannot hitch a fifth wheel
  • Jeep Grand Cherokee L (5.7 Hemi) '21-26 — no pickup bed — cannot hitch a fifth wheel
  • Jeep Grand Wagoneer (Hurricane, max tow) '22-26 — no pickup bed — cannot hitch a fifth wheel
  • Jeep Wagoneer (Hurricane, max tow) '22-26 — no pickup bed — cannot hitch a fifth wheel
  • Jeep Wrangler Unlimited 4-dr (tow pkg) '18-26 — no pickup bed — cannot hitch a fifth wheel
  • Kia Telluride (tow pkg) '20-26 — no pickup bed — cannot hitch a fifth wheel
  • Land Rover Defender '20-26 — no pickup bed — cannot hitch a fifth wheel
  • Land Rover Discovery '17-26 — no pickup bed — cannot hitch a fifth wheel
  • Lexus GX 550 (tow pkg) '24-26 — no pickup bed — cannot hitch a fifth wheel
  • Lexus LX 600 '22-26 — no pickup bed — cannot hitch a fifth wheel
  • Mazda CX-90 (3.3 turbo, tow pkg) '24-26 — no pickup bed — cannot hitch a fifth wheel
  • Mercedes-Benz Sprinter '19-26 — no pickup bed — cannot hitch a fifth wheel
  • Nissan Armada (3.5 twin-turbo, tow pkg) '25-26 — no pickup bed — cannot hitch a fifth wheel
  • Nissan Armada (tow pkg) '17-24 — no pickup bed — cannot hitch a fifth wheel
  • Nissan Frontier (3.8 V6, tow pkg) '22-26 — over by ~5,101 lb loaded
  • Nissan Pathfinder (tow pkg) '22-26 — no pickup bed — cannot hitch a fifth wheel
  • Nissan Titan (5.6 V8, tow pkg) '17-24 — over by ~2,751 lb loaded
  • Nissan Titan XD (Cummins diesel) '16-19 — over by ~96 lb loaded
  • Ram 1500 (3.0 Hurricane, max tow) '25-26 — over by ~1,086 lb loaded
  • Ram 1500 (5.7 Hemi eTorque, max tow) '19-24 — over by ~61 lb loaded
  • Ram 1500 (5.7 Hemi, max tow) '11-18 — over by ~1,976 lb loaded
  • Ram ProMaster '14-26 — no pickup bed — cannot hitch a fifth wheel
  • Rivian R1S '22-26 — no pickup bed — cannot hitch a fifth wheel
  • Rivian R1T '22-26 — over by ~1,636 lb loaded
  • Subaru Ascent '19-26 — no pickup bed — cannot hitch a fifth wheel
  • Subaru Outback (XT / Wilderness) '20-26 — no pickup bed — cannot hitch a fifth wheel
  • Tesla Cybertruck '24-26 — over by ~1,636 lb loaded
  • Tesla Model X (tow pkg) '16-26 — no pickup bed — cannot hitch a fifth wheel
  • Tesla Model Y (tow pkg) '21-26 — no pickup bed — cannot hitch a fifth wheel
  • Toyota 4Runner (4.0 V6) '11-24 — no pickup bed — cannot hitch a fifth wheel
  • Toyota 4Runner (i-Force Max) '25-26 — no pickup bed — cannot hitch a fifth wheel
  • Toyota Grand Highlander (i-Force Max) '24-26 — no pickup bed — cannot hitch a fifth wheel
  • Toyota Highlander (tow pkg) '20-26 — no pickup bed — cannot hitch a fifth wheel
  • Toyota Land Cruiser (i-Force Max) '24-26 — no pickup bed — cannot hitch a fifth wheel
  • Toyota Sequoia (i-Force Max, tow pkg) '23-26 — no pickup bed — cannot hitch a fifth wheel
  • Toyota Sienna '21-26 — no pickup bed — cannot hitch a fifth wheel
  • Toyota Tacoma (i-Force Max, tow pkg) '24-26 — over by ~5,686 lb loaded
  • Toyota Tacoma (V6, tow pkg) '16-23 — over by ~5,416 lb loaded
  • Toyota Tundra (5.7 V8, tow pkg) '11-21 — over by ~2,356 lb loaded
  • Toyota Tundra (i-Force Max, tow pkg) '22-26 — over by ~736 lb loaded
  • Volkswagen Atlas (tow pkg) '18-26 — no pickup bed — cannot hitch a fifth wheel
THE SPECS
Length36.3 ft
Height (incl. A/C)13.3 ft
Width8.0 ft
GVWR13,560 lb
Dry weight10,319 lb
Dry tongue weight1,560 lb
Cargo capacity3,241 lb
Sleeps4
Slide-outs3
Axles2
Fresh water50 gal
Grey water50 gal
Black water50 gal
Air conditioning15,000 BTU
Solar (standard)200 W
Awning16 ft

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

WHERE PEOPLE SLEEP
  • 1× Front RV king bed(Permanent)72×80
  • 1× Dinette converts to a bed(Convertible)—
HOW IT'S BUILT — 4/5
WallsLaminated fiberglass
FrameAluminum
RoofWalk-on
UnderbellyEnclosed

Forest River (Mixed tier): Forest River's volume fifth-wheel platform - genuinely welded-aluminum laminated construction with mainstream-brand QC, nothing more.

YEAR BY YEAR — WHAT CHANGED
  • 2023Introduced
FINDING ONE

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

THE READ

Smallest current Sandpiper - rear-living couples plan with the lightest pin in the range.

OTHER SANDPIPER FLOORPLANS
2990TRIK · 12,729 lb · sleeps 6321RL · 14,175 lb · sleeps 63220RL · 12,729 lb · sleeps 63330BH · 13,769 lb · sleeps 63440BH · 14,075 lb · sleeps 83550BH · 15,500 lb · sleeps 83550FL · 13,684 lb · sleeps 63660MB · 14,115 lb · sleeps 13368FBDS · 15,500 lb · sleeps 43710HBFB · 15,500 lb · sleeps 7372LOK · 15,500 lb · sleeps 63738H · 15,500 lb · sleeps 83770FL · 14,175 lb · sleeps 6379FLOK · 14,175 lb · sleeps 6the whole line →
Is the 3370RLS 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.