01 What makes it unique
The Jayco Jay Flight Bungalow 401LOFT is a 42' 0" destination trailer in the MY2027 Jay Flight Bungalow roster. Jayco publishes a dry weight of 11,575 pounds against a 13,400-pound GVWR, and the two tie out exactly with the published 1,825-pound cargo carrying capacity — 11,575 + 1,825 = 13,400. That arithmetic is checked on every plan in this catalogue, and a plan whose own figures disagree is catalogued without a page rather than quietly reconciled.
The dry tongue weight is 1,465 pounds, or 13% of the dry weight. Tongue load transfers to the hitch and the rear axle, and a weight-distributing hitch redistributes it rather than removing it. Payload is 1,825 pounds, 14% of GVWR — that is the ceiling for water, propane, cargo and any dealer-fitted equipment combined. Fresh water alone at 52 gallons is about 434 pounds when full.
Tanks are 52 gallons fresh, 32 grey and 39 black. Interior height is 8' 10" and the exterior measures 8' 0" wide. Jayco publishes two exterior heights for this floorplan: 12' 10" at the roofline and 13' 1" with the air conditioner. Both are printed above, neither is derived from the other, and it is the taller figure that has to clear your garage. This page covers the MY2027 401LOFT only. Jayco’s figures move between model years — measured on one Jayco floorplan across five consecutive years, 20 of 28 published fields changed, including a 290-pound swing in dry hitch weight — so nothing here is carried over from a neighbouring year, and no year is shown that Jayco has not published for this code.
Specifications by model year
This floorplan has a verified factory record for 2 model years here, 2026 to 2027, and the specification does not hold still. Across those years GVWR ranges from 13,000 lb in 2026 to 13,400 lb in 2027, a spread of 400 lb; dry weight ranges from 11,575 lb in 2027 to 11,580 lb in 2026, a spread of 5 lb; dry tongue weight ranges from 1,465 lb in 2027 to 1,615 lb in 2026, a spread of 150 lb. That is why each model year has its own page below, carrying only its own published figures. Nothing on a year page is copied across from a neighbouring year.
| Model year | Dry (UVW) | GVWR | Cargo (CCC) | Dry tongue | Sleeps | Tire size |
|---|---|---|---|---|---|---|
| 2026 | 11,580 | 13,000 | 1,420 | 1,615 | 8 | ST235/80R16'E' |
| 2027 | 11,575 | 13,400 | 1,825 | 1,465 | 8 | ST235/80R16'E' |
Every row is that model year’s own record from Jayco’s model page for that year. The figures in the tow-critical placard at the top of this page are the 2027 record from the source this catalogue originally profiled. On the weights, overall length and tire size, that record and Jayco’s own 2027 model page agree on every field both of them publish. Exterior height is not compared: Jayco publishes a bare height, a with-A/C height and a with-2nd-A/C height, and the single height row carried here cannot be matched to one of them, so no claim is made either way.
02 Full specifications
Dimensions
- Exterior length
- 42' 0"
- Exterior width
- 8' 0"
- Exterior height
- 12' 10"
- Interior height
- 8' 10"
- Exterior height (w/ A/C)
- 13' 1"
Weights
- Dry / unit base weight
- 11,575 lbs
- GVWR (max loaded)
- 13,400 lbs
- Net cargo / payload
- 1,825 lbs
- Dry tongue weight
- 1,465 lbs
Capacities
- Fresh water
- 52 gal
- Grey water
- 32 gal
- Black water
- 39 gal
- Water heater
- Tankless
Sleeping & layout
- Sleeps
- up to 8
- Hitch type
- Bumper pull
Drawn to scale
Weight budget
Size, with end view
Holding tanks
Axles, wheels and nose shape are schematic; not a floorplan. Data: dataset.
Towing it
Loaded range: 10–15% of GVWR on the tongue, a rule of thumb, not a measurement of this unit. No truck ratings or hitch classes (why; NHTSA, DOT HS 809 433). The range starts at the published dry figure, because loaded is never lighter than dry.
03 The Jay Flight Bungalow floorplan family
Jay Flight Bungalow is Jayco's destination-trailer roster inside the Jay Flight family — forty-foot-plus units built to be towed to a seasonal site and left there. Jayco's own floorplan index titles the roster a spacious destination travel trailer. It is a factory sub-roster of Jay Flight and is catalogued under the Jay Flight line hub. The 401LOFT on this page is highlighted; every other profiled plan links to its own page.
| Floorplan | Family | Type | Nominal | Sleeps | Notable |
|---|---|---|---|---|---|
| 401FLTS | 2027 | TT | 40 ft | 4 | 40' 4" · 8' 0" interior · sleeps 4 |
| 401LOFT | 2027 | TT | 42 ft | 8 | 42' 0" · 8' 10" interior · sleeps 8 |
| 404LOFT | 2027 | TT | 42 ft | 8 | 42' 0" · 8' 11" interior · sleeps 8 |
Rows are Jay Flight Bungalow floorplans profiled on this site, captured from Jayco's own MY2027 floorplan pages. Jay Flight travel trailers are a separate roster and are catalogued in their own section on the line hub.
04 Notes on this floorplan
Figures are Jayco’s own, and they tie out
Dry 11,575 lb + cargo 1,825 lb = GVWR 13,400 lb exactly. Nothing on this page is computed from the other two, estimated from the segment, or taken from a dealer listing.
Dry means empty, and you will not tow it empty
11,575 lb is the unit as built, before water, propane, batteries, cargo or dealer-installed options. Weigh the loaded trailer on a public scale before matching it to a tow vehicle.
Tongue load rides the rear axle
1,465 lb dry tongue transfers to the hitch and the rear axle. A weight-distributing hitch moves that load around; it does not make it disappear.
This is a destination trailer, and it tows like one
Jayco markets Bungalow for seasonal placement rather than touring. At this length and weight it is a heavy-duty tow even empty, many campgrounds cap the length they will take, and a unit left on a site still has to be moved twice a year. Check the site’s own length limit and your tow vehicle’s rating before committing.
What this page does not publish
Jayco’s factory spec table for this floorplan carries no slide count, no bed size, no refrigerator or air-conditioner spec, no tire size and no MSRP. Those rows are absent here rather than filled from a sibling floorplan or a second source. Jayco’s published awning length is held in this catalogue’s saved copy of the factory page but not printed, because the catalogue tracks no awning field to print it into.
05 How it compares
Dry 10,355 lb against this plan’s 11,575 lb — 1,220 lb less to tow.
Dry 11,750 lb against this plan’s 11,575 lb — 175 lb more to tow.
Every Jay Flight Bungalow floorplan catalogued here, with the plans this site refuses to publish and the reason for each.
06 Loading it for a trip
A full 52-gallon fresh tank is about 434 lb of water (water counts as cargo: 49 CFR 571.120 S10.4.2), 24% of the 401LOFT’s 1,825 lb cargo capacity, leaving 1,391 lb (174 lb per rated berth). Across 117 Jay Flight floorplans the water share runs 13% to 47%, and 75 give up more than this one. Nearest on that share: Jay Flight 290RKS at 24% and Jay Flight 130BHW at 24%. Your own unit’s figure is on the label inside its entry door (49 CFR 571.120 S10.4.3).
07 Where this floorplan sits
Closest sibling: the Jay Flight 40DLFT, nearest on the published figures. It differs on 7 of the 9 fields both publish (this plan first): length 42 ft 0 in vs 41 ft 6 in; sleeps 8 vs 7; dry weight 11,575 lb vs 12,430 lb; GVWR 13,400 lb vs 14,500 lb; cargo capacity 1,825 lb vs 2,070 lb; dry hitch weight 1,465 lb vs 1,550 lb; grey tank 32 gal vs 32 gal. They match on fresh tank and black tank.
| Jay Flight plans | This plan | Position, low to high | Range |
|---|---|---|---|
| GVWR (lb) | 13,400 | 111 of 117 | 3,500–14,500 |
| Dry weight (lb) | 11,575 | 112 of 117 | 2,450–12,430 |
| Cargo capacity (lb) | 1,825 | 77 of 117 | 725–3,240 |
| Dry hitch weight (lb) | 1,465 | 109 of 117 | 220–10,105 |
| Length | 42 ft 0 in | 116–117 of 117 | 16 ft 1 in–42 ft 0 in |
| Fresh tank (gal) | 52 | 33–84 of 117 | 20–84 |
| Grey tank (gal) | 32 | 22 of 117 | 19–117 |
| Black tank (gal) | 39 | 22–96 of 117 | 20–78 |
| Sleeps | 8 | 62–82 of 117 | 2–14 |
Either side of it by GVWR: Jay Flight 40FKDS is 400 lb lighter (13,000 lb GVWR); Jay Flight 40RLTS is 100 lb heavier (13,500 lb GVWR).
| Nearest Jay Flight siblings | Length | Sleeps | Dry (lb) | GVWR (lb) | CCC (lb) | Hitch (lb) | Fresh (gal) |
|---|---|---|---|---|---|---|---|
| Jay Flight 401LOFT | 42 ft 0 in | 8 | 11,575 | 13,400 | 1,825 | 1,465 | 52 |
| Jay Flight 40DLFT | 41 ft 6 in | 7 | 12,430 | 14,500 | 2,070 | 1,550 | 52 |
| Jay Flight 40RLTS | 40 ft 4 in | 4 | 11,560 | 13,500 | 1,940 | 1,630 | 52 |
| Jay Flight 40LOFT | 40 ft 10 in | 8 | 11,925 | 13,950 | 2,025 | 1,595 | 51 |
| Jay Flight 404LOFT | 42 ft 0 in | 8 | 11,750 | 13,600 | 1,850 | 1,610 | 52 |
| Jay Flight JAYLOFT | 41 ft 11 in | 9 | 12,360 | 14,300 | 1,940 | 1,775 | 52 |
All 117 Jay Flight floorplans: Jay Flight line hub.
| Other lines, nearest by GVWR | GVWR (lb) | Dry (lb) | Sleeps | Length |
|---|---|---|---|---|
| 401LOFT | 13,400 | 11,575 | 8 | 42 ft 0 in |
| Campsite Reserve 39JD | 13,400 | 12,380 | — | 43 ft 4 in |
| Puma Vista 39FKL | 13,440 | 10,709 | — | 42 ft 7 in |
| Cascade 39DLC | 13,342 | 11,327 | — | 42 ft 8 in |
| Cherokee Timberwolf 39JM | 13,465 | 12,589 | — | 43 ft 4 in |
| Vengeance Rogue 26L140 | 13,465 | 8,704 | — | 34 ft 0 in |
| Sandstorm 2730 | 13,470 | 8,429 | — | 34 ft 1 in |
Against the 401LOFT: the Campsite Reserve 39JD is 1 ft longer; the Puma Vista 39FKL is 40 lb heavier; the Cascade 39DLC is 58 lb lighter.
08 Common questions about the 401LOFT
How much does the 401LOFT weigh?
11,575 lb dry; 13,400 lb GVWR, the most it may weigh loaded.
How much can the 401LOFT carry?
1,825 lb, 14% of its GVWR (median across 958 travel trailers here: 23%). A full fresh tank uses 434 lb of it.
What is the tongue weight of the 401LOFT?
1,465 lb dry, 13% of the dry weight (median across 1,156 travel trailers here: 12%).
What size tow vehicle does the 401LOFT need?
A tow rating of at least 13,400 lb, plus payload for the loaded tongue weight, passengers and cargo.
How many people does the 401LOFT sleep?
It is rated to sleep 8. 35 of the 117 Jay Flight floorplans that publish a count sleep more.
What are the tank capacities on the 401LOFT?
Fresh 52, grey 32, black 39 gallons. Off hookups, fresh water runs out first.
How long is the 401LOFT?
42' 0" overall, tongue or pin box included.
From the figures above.
09 What this page publishes, and what it does not
12 of the 18 fields this catalogue tracks are published for the 401LOFT. Not published: slide count, axle count, tire specification, awning, refrigerator, air conditioning.
Sourcing rules: methodology.
10 Manuals & documents
Sources: jayco.com (linked below); the full source note is at the foot of the page.
11 NHTSA safety record
NHTSA holds 25 recall campaigns and 80 owner complaints against the Jay Flight line. They are counted separately: a recall is a confirmed defect with a remedy, a complaint one owner’s unverified account.
What to look at on a used one. Across the 80 complaints filed on this line the most-reported components are equipment (42%), unknown or other (12%) and structure (11%).
Recall coverage here is not complete, and complaints are owners’ unverified reports (how this record is built). Check a specific VIN at NHTSA before you buy. Full tables are on the Jay Flight line page.