Keystone Residence 401FDEN

Name: Keystone Residence 401FDEN
Brand: Keystone

Travel trailerbuilt 2019–20Mixed build tierFindable on the used market

WHAT ONE COSTS

$37,800est. used (2020, 6 yr old)

Sticker was $60,464 in 2019. Out of production since 2020, so the used market is the only way to buy one. Estimate assumes a 2020 unit.

WHAT IT WEIGHS BEHIND YOUR TRUCK

~11,901 lbestimated as towed, for 2 people

dry weight 10,659 lb + fresh water (53 gal, full) 442 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 around13,225 lb (10% margin)

GVWR (the sticker maximum)13,200 lb

Tongue weight, loaded~1,373 lb (12%)

Cargo capacity2,541 lb

WHICH TOW VEHICLES IT FITS: 22 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 401FDEN's published weights held steady.

VEHICLE	TOW RATING	VERDICT
Chevrolet Silverado / GMC Sierra 1500 (6.2 V8, max tow) '19-26	13,300 lb	fits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 2500HD (Duramax, max tow) '24-26	22,500 lb	fits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 2500HD (Duramax) '20-23	18,510 lb	fits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 2500HD (Duramax) '11-19	18,100 lb	fits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 3500HD (Duramax DRW, gooseneck) '20-26	36,000 lb	fits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 3500HD (Duramax DRW, gooseneck) '11-19	23,300 lb	fits, loaded, with 10% margin
Ford F-150 (3.5 EcoBoost, max tow) '24-26	13,500 lb	fits, loaded, with 10% margin
Ford F-150 (3.5 EcoBoost, max tow) '21-23	14,000 lb	fits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 diesel, gooseneck) '20-22	22,800 lb	fits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 diesel, tow pkg) '17-19	18,000 lb	fits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 diesel) '11-16	16,600 lb	fits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 HO diesel, gooseneck) '23-26	23,000 lb	fits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '17-19	32,500 lb	fits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '20-22	37,000 lb	fits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '11-16	21,600 lb	fits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 HO diesel DRW, gooseneck) '23-26	38,000 lb	fits, loaded, with 10% margin
Ford F-450 Super Duty (6.7 HO diesel DRW, gooseneck) '23-26	40,000 lb	fits, loaded, with 10% margin
Ram 2500 (6.7 Cummins HO) '19-26	20,000 lb	fits, loaded, with 10% margin
Ram 2500 (6.7 Cummins) '11-18	17,980 lb	fits, loaded, with 10% margin
Ram 3500 (6.7 Cummins DRW, gooseneck) '13-18	31,210 lb	fits, loaded, with 10% margin
Ram 3500 (6.7 Cummins HO DRW, gooseneck) '25-26	36,610 lb	fits, loaded, with 10% margin
Ram 3500 (6.7 Cummins HO DRW, gooseneck) '19-24	37,090 lb	fits, loaded, with 10% margin

The 73it doesn't fit

Chevrolet Colorado / GMC Canyon (2.7 Turbo HO, tow pkg) '23-26: over by ~4,971 lb loaded
Chevrolet Colorado / GMC Canyon (2.8 Duramax) '15-22: over by ~4,971 lb loaded
Chevrolet Silverado 1500 (max tow) '14-18: over by ~651 lb loaded
Chevrolet Silverado EV (4WT) '24-26: over by ~651 lb loaded
Chevrolet Suburban (5.3 V8, max tow) '21-26: over by ~4,431 lb loaded
Chevrolet Tahoe (5.3 V8, max tow) '21-26: over by ~4,341 lb loaded
Chevrolet Traverse (tow pkg) '18-26: over by ~7,401 lb loaded
Chrysler Pacifica '17-26: over by ~8,661 lb loaded
Dodge Durango (5.7 / 6.4 Hemi, tow pkg) '14-26: over by ~4,071 lb loaded
Ford Bronco 4-dr (2.7 EcoBoost, tow pkg) '21-26: over by ~7,851 lb loaded
Ford Expedition (3.5 EcoBoost, tow pkg) '25-26: over by ~3,261 lb loaded
Ford Expedition (3.5 EcoBoost, tow pkg) '18-24: over by ~3,531 lb loaded
Ford Explorer (3.0 EcoBoost, tow pkg) '20-26: over by ~6,861 lb loaded
Ford F-150 (3.5 EcoBoost, max tow) '15-20: over by ~21 lb loaded
Ford F-150 (3.5 EcoBoost, max tow) '11-14: over by ~1,731 lb loaded
Ford F-150 Lightning (max trailer tow) '22-26: over by ~2,901 lb loaded
Ford Maverick (2.0 EcoBoost, 4K tow pkg) '22-26: over by ~8,301 lb loaded
Ford Ranger (2.3 EcoBoost, tow pkg) '19-23: over by ~5,151 lb loaded
Ford Ranger (2.7 EcoBoost, tow pkg) '24-26: over by ~5,151 lb loaded
Ford Transit (HD tow pkg) '15-26: over by ~5,691 lb loaded
GMC Acadia (tow pkg) '20-26: over by ~7,401 lb loaded
GMC Hummer EV Pickup '22-26: over by ~5,151 lb loaded
GMC Sierra EV '24-26: over by ~1,101 lb loaded
GMC Yukon / Yukon XL (5.3 V8, max tow) '21-26: over by ~4,341 lb loaded
Honda Odyssey '18-26: over by ~8,751 lb loaded
Honda Passport (AWD) '19-26: over by ~7,401 lb loaded
Honda Pilot (AWD, tow pkg) '16-26: over by ~7,401 lb loaded
Honda Ridgeline (AWD) '17-26: over by ~7,401 lb loaded
Hyundai Palisade (tow pkg) '20-26: over by ~7,401 lb loaded
Hyundai Santa Cruz (2.5T AWD) '22-26: over by ~7,401 lb loaded
Jeep Gladiator (3.6 V6, max tow) '20-26: over by ~4,971 lb loaded
Jeep Grand Cherokee (5.7 Hemi) '11-21: over by ~5,421 lb loaded
Jeep Grand Cherokee (WL, tow pkg) '22-26: over by ~6,321 lb loaded
Jeep Grand Cherokee L (5.7 Hemi) '21-26: over by ~5,421 lb loaded
Jeep Grand Wagoneer (Hurricane, max tow) '22-26: over by ~3,036 lb loaded
Jeep Wagoneer (Hurricane, max tow) '22-26: over by ~2,901 lb loaded
Jeep Wrangler Unlimited 4-dr (tow pkg) '18-26: over by ~8,751 lb loaded
Kia Telluride (tow pkg) '20-26: over by ~6,951 lb loaded
Land Rover Defender '20-26: over by ~4,521 lb loaded
Land Rover Discovery '17-26: over by ~4,521 lb loaded
Lexus GX 550 (tow pkg) '24-26: over by ~3,716 lb loaded
Lexus LX 600 '22-26: over by ~4,701 lb loaded
Mazda CX-90 (3.3 turbo, tow pkg) '24-26: over by ~7,401 lb loaded
Mercedes-Benz Sprinter '19-26: over by ~5,151 lb loaded
Nissan Armada (3.5 twin-turbo, tow pkg) '25-26: over by ~4,251 lb loaded
Nissan Armada (tow pkg) '17-24: over by ~4,251 lb loaded
Nissan Frontier (3.8 V6, tow pkg) '22-26: over by ~5,466 lb loaded
Nissan Pathfinder (tow pkg) '22-26: over by ~6,501 lb loaded
Nissan Titan (5.6 V8, tow pkg) '17-24: over by ~3,116 lb loaded
Nissan Titan XD (Cummins diesel) '16-19: over by ~461 lb loaded
Ram 1500 (3.0 Hurricane, max tow) '25-26: over by ~1,451 lb loaded
Ram 1500 (5.7 Hemi eTorque, max tow) '19-24: over by ~426 lb loaded
Ram 1500 (5.7 Hemi, max tow) '11-18: over by ~2,341 lb loaded
Ram ProMaster '14-26: over by ~5,681 lb loaded
Rivian R1S '22-26: over by ~4,971 lb loaded
Rivian R1T '22-26: over by ~2,001 lb loaded
Subaru Ascent '19-26: over by ~7,401 lb loaded
Subaru Outback (XT / Wilderness) '20-26: over by ~8,751 lb loaded
Tesla Cybertruck '24-26: over by ~2,001 lb loaded
Tesla Model X (tow pkg) '16-26: over by ~7,401 lb loaded
Tesla Model Y (tow pkg) '21-26: over by ~8,751 lb loaded
Toyota 4Runner (4.0 V6) '11-24: over by ~7,401 lb loaded
Toyota 4Runner (i-Force Max) '25-26: over by ~6,501 lb loaded
Toyota Grand Highlander (i-Force Max) '24-26: over by ~7,401 lb loaded
Toyota Highlander (tow pkg) '20-26: over by ~7,401 lb loaded
Toyota Land Cruiser (i-Force Max) '24-26: over by ~6,501 lb loaded
Toyota Sequoia (i-Force Max, tow pkg) '23-26: over by ~3,331 lb loaded
Toyota Sienna '21-26: over by ~8,751 lb loaded
Toyota Tacoma (i-Force Max, tow pkg) '24-26: over by ~6,051 lb loaded
Toyota Tacoma (V6, tow pkg) '16-23: over by ~5,781 lb loaded
Toyota Tundra (5.7 V8, tow pkg) '11-21: over by ~2,721 lb loaded
Toyota Tundra (i-Force Max, tow pkg) '22-26: over by ~1,101 lb loaded
Volkswagen Atlas (tow pkg) '18-26: over by ~7,401 lb loaded

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

THE SPECS

Length40.9 ft

Height (incl. A/C)12.6 ft

Width8.5 ft

GVWR13,200 lb

Dry weight10,659 lb

Dry tongue weight1,230 lb

Cargo capacity2,541 lb

Sleeps4

Slide-outs3

Axles2

Fresh water53 gal

Grey water78 gal

Black water39 gal

Air conditioning15,000 BTU

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

WHERE PEOPLE SLEEP

1× King bed(Permanent)72×80
1× Sleeper sofa(Convertible)—

HOW IT'S BUILT: 2/5

WallsLaminated fiberglass

FrameWood

RoofStandard

UnderbellyEnclosed

Keystone (Mixed tier): Residence Destination Trailer

YEAR BY YEAR: WHAT CHANGED

2019Introduced

FINDING ONE

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

OUR TAKE

Laminated smooth-sidewall front den.

OTHER RESIDENCE FLOORPLANS

401CLDL · 15,790 lb · sleeps 9 401FKSS · 13,250 lb · sleeps 4 401FLFT · 14,000 lb · sleeps 8 401FLSL · 15,620 lb · sleeps 6 401FSRL · 15,700 lb · sleeps 8 401HBDL · 15,655 lb · sleeps 9 401LOFT · 14,000 lb · sleeps 6 401MBNK · 13,300 lb · sleeps 7 401MKTS · 13,950 lb · sleeps 4 401RDEN · 13,470 lb · sleeps 6 401RLTS · 13,570 lb · sleeps 4 401RS · 15,655 lb · sleeps 4 40CLDL · 15,770 lb · sleeps 9 40FDEN · 13,200 lb · sleeps 4 the whole line →

Find one for sale

Live listings for the 401FDEN 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 Residence line ↗

Is the 401FDEN 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 dealer and aggregator listings, retrieved 2026-07.