Jayco Jay Flight · 2024–2025255THW

The Jay Flight 255THW is one of Jayco's Jay Flight travel trailers, the mass-market nameplate and the volume seller in Jayco's towable range. This page covers one model year of it — the 2024 255THW, exactly as Jayco published it — because the numbers that decide whether your truck can pull this trailer are not the same from one year to the next.

For the 2024 model year Jayco published a 8,750-pound GVWR on a 5,615-pound dry weight, 3,135 pounds of published cargo capacity, a 835-pound dry tongue weight. That dry tongue is 15% of the dry weight, inside the 10–15% band conventionally quoted for a bumper-pull trailer. Tongue weight is not fixed — it moves with how the trailer is loaded, and weight added ahead of the axles raises it. A tongue load in that range wants a weight-distribution hitch, and the tow vehicle's tongue-weight limit is a separate number from its trailer-weight limit — check the loaded tongue against the hitch receiver's rating and the vehicle's payload, not against the tow rating alone. The 2024 trailer left the factory on ST225/75R15'E' tyres; the load range in that code is part of the axle rating and a replacement set has to match it.

This is the earliest 255THW model year with a verified factory record in this catalogue. Later years are linked at the foot of the page, each with its own published figures.

A 2024 trailer is close to current as of 2026, but section 05 still applies: check it against its build date rather than its model year. Jayco commonly builds a model year well before the calendar year turns, and the tyre date codes have to be read against the build month, not the badge.

How the 255THW differs from the other 122 Jay Flight floorplans. Most distinctive first. Sibling pages may cover other model years than this one (2024–2025). How these ranks are worked out.

• Cargo capacity, 3,135 lb: second-largest of 123, between the 236THW (2,770 lb) and the 265TH (3,240 lb).
• Cargo capacity as a share of GVWR, 35.8%: second-largest of 123, between the 236THW (34.6%) and the 265TH (38.1%).
• Interior height, 8 ft 5 in: sixth-tallest of 123, between the 263BHSW, 401FLTS and three others (8 ft) and the 401LOFT, 40DLFT and JAYLOFT (8 ft 10 in).
• Exterior height, 12 ft 2 in: eighth-tallest of 109, between the 402RLTS and 40RLTS (12 ft 1 in) and the 40LSDL (12 ft 4 in).
• Dry tongue weight as a share of dry weight, 14.9%: ninth-largest of 122, between the 401FLTS (14.6%) and the 34RSBS (15.1%).
• Fresh tank, 84 gal: shared with the 210QBW, 211MBW and six others; of 123, 108 smaller and six larger, nearest the 24RBS, 28BHBE and three others (82 gal) and the 29RKS, 32BHDS and two others (86 gal).
• Black tank, 40 gal: shared with the 130BHW, 140TBW and seventeen others; of 121, 100 smaller and one larger, nearest the 130BH, 130RD and 79 others (39 gal) and the 330TBS (78 gal).
• Dry tongue weight, 835 lb: 37th-heaviest of 122, between the 29BHDB (832 lb) and the 262RLSW and 295TBS (840 lb).
• Sleeping capacity, 5: shared with the 174BH, 212QB and three others; of 110, 31 smaller and 73 larger, nearest the 130BH, 130BHW and 24 others (4) and the 170BH, 172DB and seventeen others (6).
• GVWR, 8,750 lb: shared with the 28BHS; of 123, 84 lower and 37 higher, nearest the 294QBS (8,650 lb) and the 28RLS (8,800 lb).
• Grey tank, 40 gal: shared with the 130RDW, 172DBW and sixteen others; of 118, 78 smaller and 21 larger, nearest the 140TB, 172DB and 49 others (39 gal) and the 40LOFT, 40LSDL and JAYLOFT (65 gal).
• Dry weight, 5,615 lb: 61st-lightest of 123, between the 24RBS (5,605 lb) and the 235MBH and 265MWSW (5,620 lb).
• Length, 30 ft: 62nd-shortest of 123, between the 265MWS and 265MWSW (29 ft 10 in) and the 263RBS (30 ft 1 in).

Next to the 24RBS (2018–2019 page), the nearest lighter floorplan by dry weight, the 255THW is 10 lb heavier by dry weight, has a GVWR 1,250 lb higher, has 1,240 lb more cargo capacity, has a dry tongue weight 210 lb heavier, is 1 ft 4 in longer, has 1 ft 8 in more interior height, has a fresh tank 2 gal larger, has a grey tank 1 gal larger and has a black tank 1 gal larger.

Next to the 235MBH, the nearest heavier floorplan by dry weight, the 255THW is 5 lb lighter by dry weight, has a GVWR 1,750 lb higher, has 1,755 lb more cargo capacity, has a dry tongue weight 190 lb heavier, is 2 ft 2 in longer, stands 1 ft 10 in taller, has 1 ft 8 in more interior height, has a fresh tank 32 gal larger, has a grey tank 1 gal larger, has a black tank 1 gal larger and sleeps three fewer.

One other model year of the 255THW has its own published record here: 2024. It is printed in full below, with its own source, and nothing in it is copied from the record at the top of this page.

The earliest model year of the 255THW with a verified factory record here is 2024. Jayco’s 2025 record matches it on every published field the two records share, and no tow-critical figure moves, so 2025 has no page of its own: both years’ records are in the tables on this page, and 2024 links to its own page.

A full 84-gallon fresh tank is about 697 lb of water (water counts as cargo: 49 CFR 571.110 S9.3.2), 22% of the 255THW’s 3,135 lb cargo capacity, leaving 2,438 lb (488 lb per rated berth). Across 123 Jay Flight floorplans the water share runs 13% to 47%, and 93 give up more than this one. Nearest on that share: Jay Flight 334RTS at 22% and Jay Flight 40RLTS at 22%. Your own unit’s figure is on the label inside its entry door (49 CFR 571.110 S9.3.3).