01 What makes it unique
Gulf Stream lists the Trail Boss 109OK at 1,510 lb dry, a net carrying capacity of 2,250 lb and a tongue weight of 240 lb. It prints no GVWR for it.
It is 11' 10" long and 8' 2" high. Gulf Stream prints no tank capacity for it.
Among the 5 Trail Boss floorplans Gulf Stream’s Trail Boss model pages on gulfstreamcoach.com (no model year stated) lists with a published dry weight, it is number 1 from the lightest, in a range from 1,510 lb (Trail Boss 109OK) to 2,910 lb (Trail Boss 150RD). Every figure in that comparison is Gulf Stream’s, read from the same set of model pages.
Every number on this page was read on 6 Nov 2026 from Gulf Stream’s own Trail Boss model pages on gulfstreamcoach.com (no model year stated) for the Trail Boss 109OK, which names no model year; the figures are shown as the maker published them, and no year is claimed for them.
How the 109OK differs from the other four Trail Boss floorplans. Most distinctive first. How these ranks are worked out.
- Dry weight, 1,510 lb: lightest of five; next is the 160FK (2,120 lb).
- Cargo capacity, 2,250 lb: largest of five; next is the 160FK (1,700 lb).
- Tongue weight, 240 lb: lightest of five; next is the 150RD (300 lb).
- Tongue weight as a share of dry weight, 15.9%: largest of five; next is the 160FK (15.1%).
- Length, 11 ft 10 in: shortest of five; next is the 160FK (15 ft 6 in).
- Exterior height, 8 ft 2 in: lowest of five; next are the 140BH and 170RQ (9 ft 2 in).
- Interior height, 4 ft 6 in: lowest of five; next are the 140BH, 160FK and 170RQ (6 ft).
Next to the 160FK, the nearest heavier floorplan by dry weight, the 109OK is 610 lb lighter by dry weight, has 550 lb more cargo capacity, has a tongue weight 80 lb lighter, is 3 ft 8 in shorter, stands 1 ft 6 in lower and has 1 ft 6 in less interior height.
02 Full specifications
Dimensions
- Exterior length
- 11' 10"
- Exterior height
- 8' 2"
- Exterior width
- 5' 5"
- Interior height
- 4' 6"
Weights
- Dry / unit base weight (UVW)
- 1,510 lb
- GVWR (max loaded)
- Not published by Gulf Stream
- Net cargo / payload (CCC)
- 2,250 lb
- Hitch / tongue weight
- 240 lb
Capacities
- Fresh water
- Not published by Gulf Stream
- Grey water
- Not published by Gulf Stream
- Black water
- Not published by Gulf Stream
Running gear
- Hitch type
- Bumper pull
- Tire size
- Not published by Gulf Stream
Sleeping & layout
- Sleeps
- Not published by Gulf Stream
- Factory grouping (as printed)
- Trail Boss (Light Weight Trailers)
- Grey Tank (as printed)
- N/A
- Black Tank (as printed)
- N/A
- Furnace
- 19,000 BTU
- Water Heater
- 6 Gal
- LP Tank
- 20 lbs
- Weight basis (as printed)
- Gulf Stream prints "Dry Weight", "Hitch Weight" and "Net Carrying Capacity" on this page with no unit on the figures (its own line listing states weights in lbs.; tank figures carry no unit). No GVWR is printed, so nothing is checked against one. Page footnote: "Specifications are approximate and subject to change. Check the label in your unit for actual weights and capacities."
- Model year
- Not stated by Gulf Stream; figures as published on Gulf Stream's site (https://www.gulfstreamcoach.com/products/light-weight/trailboss/model/109ok), read 6 Nov 2026
- Fresh water (as printed, no unit)
- 9
How these published figures sit against the rest of the catalogue: travel trailer tongue weight by size; fresh, grey and black tank sizes; camper trailer size chart.
Drawn to scale
Size, with end view
Axles, wheels and nose shape are schematic; not a floorplan. Data: dataset.
03 The Trail Boss floorplan family
Gulf Stream’s Trail Boss model pages on gulfstreamcoach.com (no model year stated) lists 5 Trail Boss floorplans; every one with a printed weight has a page here.
| Floorplan | Nominal | Sleeps | Notable |
|---|---|---|---|
| Trail Boss 109OK | 11' 10" | — | Profiled |
| Trail Boss 160FK | 15' 6" | — | Profiled |
| Trail Boss 170RQ | 18' 2" | — | Profiled |
| Trail Boss 140BH | 18' 2" | — | Profiled |
| Trail Boss 150RD | 15' 10" | — | Profiled |
Gulf Stream’s Trail Boss model pages on gulfstreamcoach.com (no model year stated) lists 5 Trail Boss floorplans. Every one with a printed weight has a page here.
04 Notes on this floorplan
What Gulf Stream does not publish for the Trail Boss 109OK
Gulf Stream prints no GVWR, tire size, grey-tank, black-tank, sleeping capacity for this model, so none is given. Nothing is filled from a sibling model, a different model year or a dealer listing.
Read the label on the trailer
Federal rules put a load-carrying label inside every RV trailer: its unloaded weight with full propane, its cargo carrying capacity and its GVWR (49 CFR 571.110 and 571.120). Those figures come from the trailer itself and govern the towing decision.
05 How it compares
2,120 lb dry and Not published by Gulf Stream GVWR, against this model’s 1,510 lb and Not published by Gulf Stream.
06 Loading it for a trip
Cargo capacity on the Trail Boss 109OK is 2,250 lb.
07 Where this floorplan sits
Closest sibling: the Trail Boss 160FK, nearest on the published figures. It differs on 4 of the 4 fields both publish (this plan first): length 11 ft 10 in vs 15 ft 6 in; dry weight 1,510 lb vs 2,120 lb; cargo capacity 2,250 lb vs 1,700 lb; hitch weight 240 lb vs 320 lb.
| Trail Boss plans | This plan | Position, low to high | Range |
|---|---|---|---|
| Dry weight (lb) | 1,510 | 1 of 5 | 1,510–2,910 |
| Cargo capacity (lb) | 2,250 | 5 of 5 | 1,020–2,250 |
| Hitch weight (lb) | 240 | 1 of 5 | 240–360 |
| Length | 11 ft 10 in | 1 of 5 | 11 ft 10 in–18 ft 2 in |
Either side of it by dry weight: Trail Boss 160FK is 610 lb heavier (2,120 lb dry).
| Nearest Trail Boss siblings | Length | Sleeps | Dry (lb) | GVWR (lb) | CCC (lb) | Hitch (lb) | Fresh (gal) |
|---|---|---|---|---|---|---|---|
| Trail Boss 109OK | 11 ft 10 in | — | 1,510 | — | 2,250 | 240 | — |
| Trail Boss 160FK | 15 ft 6 in | — | 2,120 | — | 1,700 | 320 | — |
| Trail Boss 170RQ | 18 ft 2 in | — | 2,410 | — | 1,450 | 360 | 18 |
| Trail Boss 140BH | 18 ft 2 in | — | 2,510 | — | 1,330 | 340 | — |
| Trail Boss 150RD | 15 ft 10 in | — | 2,910 | — | 1,020 | 300 | — |
All 5 Trail Boss floorplans: Trail Boss line hub.
| Other lines, nearest by dry weight | GVWR (lb) | Dry (lb) | Sleeps | Length |
|---|---|---|---|---|
| Trail Boss 109OK | — | 1,510 | — | 11 ft 10 in |
| Compact 10HD | 2,340 | 1,500 | 2 | 13 ft 2 in |
| Off Grid Trailers Switchback | 3,500 | 1,500 | — | 10 ft 10 in |
| Hummingbird 10RK | 2,000 | 1,545 | 2 | 13 ft 0 in |
| Bean Trailer Bean Stock X | 3,500 | 1,600 | 2 | 14 ft 0 in |
| Scamp 13' | 2,200 | 1,600 | — | 13 ft 0 in |
| T@G Boondock | — | 1,626 | — | 13 ft 7 in |
Against the Trail Boss 109OK: the Compact 10HD is 10 lb lighter and 1 ft longer; the Off Grid Trailers Switchback is 10 lb lighter and 1 ft shorter; the Hummingbird 10RK is 35 lb heavier and 1 ft longer.
08 Common questions about the Trail Boss 109OK
How much can the Trail Boss 109OK carry?
2,250 lb.
What is the tongue weight of the Trail Boss 109OK?
240 lb as published, 16% of the dry weight (median across 2,002 travel trailers here: 12%).
How long is the Trail Boss 109OK?
11' 10" overall, tongue or pin box included.
From the figures above.
09 What this page publishes, and what it does not
7 of the 18 fields this catalogue tracks are published for the Trail Boss 109OK. Not published: GVWR, fresh tank, grey tank, black tank, sleeps, slide count, axle count, tire specification, awning, refrigerator, air conditioning.
Sourcing rules: methodology.
10 Manuals & documents
Sources: gulfstreamcoach.com (linked below); the full source note is at the foot of the page.
11 NHTSA safety record
NHTSA holds 2 recall campaigns against the Trail Boss line (a recall and a complaint are not the same thing).
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 Trail Boss line page.