01 What makes it unique
Forest River lists the 2026 XLR Boost 3113BX at 9,273 lb dry, a net carrying capacity of 2,507 lb and a tongue weight of 1,580 lb. It prints no GVWR for it.
It is 37' 1" long and 12' 0" high. Forest River prints its tanks as 102 gal fresh, 64 gal grey, 32 gal black.
Every number on this page was read on 7 Nov 2026 from Forest River’s own 2026 XLR Boost floorplan page for the XLR Boost 3113BX, whose heading names the model year 2026.
How the 3113BX differs from the other eight XLR Boost travel trailers. Most distinctive first. Sibling pages may cover other model years than this one (2026). How these ranks are worked out.
- Dry weight, 9,273 lb: heaviest of nine; next is the 3012BX (9,038 lb).
- Cargo capacity, 2,507 lb: smallest of nine; next is the 2114BX (3,962 lb).
- Tongue weight, 1,580 lb: heaviest of nine; next is the 3012BX (1,560 lb).
- Length, 37 ft 1 in: longest of nine; next is the 3012BX (37 ft).
- Tongue weight as a share of dry weight, 17%: fourth-smallest of nine, between the 2413B (16.4%) and the 2017B (17.1%).
- Grey tank, 64 gal: shared with the 2114BX and 2714B; of nine, one smaller and five larger, nearest the 2017B (32 gal) and the 2115B, 2413B and three others (80 gal).
- Black tank, 32 gal: smallest of nine, level with the 2114BX, 2514B and 2714B; next are the 2115B, 2413B and 2715B (40 gal).
Next to the 3012BX (2027 page), the nearest lighter floorplan by dry weight, the 3113BX is 235 lb heavier by dry weight, has 2,015 lb less cargo capacity, has a tongue weight 20 lb heavier, is 1 in longer, stands 8 in lower, has a grey tank 16 gal smaller and has a black tank 48 gal smaller; the two publish the same fresh tank.
02 Full specifications
Dimensions
- Exterior length
- 37' 1"
- Exterior height
- 12' 0"
- Exterior width
- 102"
- Interior height
- Not published by Forest River
Weights
- Dry / unit base weight (UVW)
- 9,273 lb
- GVWR (max loaded)
- Not published by Forest River
- Net cargo / payload (CCC)
- 2,507 lb
- Hitch / tongue weight
- 1,580 lb
Capacities
- Fresh water
- 102 gal
- Grey water
- 64 gal
- Black water
- 32 gal
Running gear
- Hitch type
- Bumper pull
- Tire size
- Not published by Forest River
Sleeping & layout
- Sleeps
- Not published by Forest River
- Availability (as printed)
- Forest River files this floorplan “DSO” (Dealer Stock Only): sold from dealer inventory, not orderable from the factory
- Model year (as printed)
- page title "2026 XLR Boost 3113BX - DSO Floorplan - Forest River RV"
- Weight basis (as printed)
- UVW footnote: "*Estimated Average based on standard build optional equipment."
- Awning Size (as printed)
- Not yet published by Forest River (its page prints “to be determined”)
- Maker status (as printed)
- title suffix "- DSO"
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
Holding tanks
Axles, wheels and nose shape are schematic; not a floorplan. Data: dataset.
03 The XLR Boost floorplan family
The XLR Boost floorplans below were added from Forest River’s 2026 XLR Boost floorplan page; every XLR Boost floorplan on this site, every model year, is listed on the XLR Boost hub.
| Floorplan | Nominal | Sleeps | Notable |
|---|---|---|---|
| XLR Boost 2017B | 26' 8" | — | Profiled |
| XLR Boost 2514B | 29' 0" | — | Profiled |
| XLR Boost 2714B | 32' 8" | — | Profiled |
| XLR Boost 2114BX | 27' 6" | — | Profiled |
| XLR Boost 3113BX | 37' 1" | — | Profiled |
The XLR Boost floorplans below were added from Forest River’s 2026 XLR Boost floorplan page; every XLR Boost floorplan on this site, every model year, is listed on the XLR Boost hub.
04 Notes on this floorplan
What Forest River does not publish for the XLR Boost 3113BX
Forest River prints no GVWR, tire size, interior height, 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
7,428 lb dry and Not published by Forest River GVWR, against this model’s 9,273 lb and Not published by Forest River.
06 Loading it for a trip
A full 102-gallon fresh tank is about 847 lb of water, 34% of the XLR Boost 3113BX’s 2,507 lb cargo capacity, leaving 1,660 lb. Across 9 XLR Boost travel-trailer floorplans the water share runs 17% to 34%, and this plan’s is the highest. Nearest on that share: XLR Boost 2114BX at 21%.
07 Where this floorplan sits
Closest sibling: the XLR Boost 2114BX, nearest on the published figures. It differs on 4 of the 7 fields both publish (this plan first): length 37 ft 1 in vs 27 ft 6 in; dry weight 9,273 lb vs 7,428 lb; cargo capacity 2,507 lb vs 3,962 lb; hitch weight 1,580 lb vs 1,190 lb. They match on fresh tank, grey tank and black tank.
| XLR Boost travel-trailer plans | This plan | Position, low to high | Range |
|---|---|---|---|
| Dry weight (lb) | 9,273 | 9 of 9 | 6,473–9,273 |
| Cargo capacity (lb) | 2,507 | 1 of 9 | 2,507–5,107 |
| Hitch weight (lb) | 1,580 | 9 of 9 | 1,090–1,580 |
| Length | 37 ft 1 in | 9 of 9 | 26 ft 8 in–37 ft 1 in |
| Grey tank (gal) | 64 | 2–4 of 9 | 32–80 |
| Black tank (gal) | 32 | 1–4 of 9 | 32–80 |
Either side of it by dry weight: XLR Boost 3012BX is 235 lb lighter (9,038 lb dry).
| Nearest XLR Boost travel-trailer siblings | Length | Sleeps | Dry (lb) | GVWR (lb) | CCC (lb) | Hitch (lb) | Fresh (gal) |
|---|---|---|---|---|---|---|---|
| XLR Boost 3113BX | 37 ft 1 in | — | 9,273 | — | 2,507 | 1,580 | 102 |
| XLR Boost 2114BX | 27 ft 6 in | — | 7,428 | — | 3,962 | 1,190 | 102 |
| XLR Boost 2714B | 32 ft 8 in | — | 6,948 | — | 4,342 | 1,090 | 102 |
| XLR Boost 2715B | 34 ft 2 in | — | 8,393 | — | 5,107 | 1,500 | 102 |
| XLR Boost 3012BX | 37 ft 0 in | — | 9,038 | — | 4,522 | 1,560 | 102 |
| XLR Boost 2514B | 29 ft 0 in | — | 6,813 | — | 4,577 | 1,190 | 102 |
All 14 XLR Boost floorplans: XLR Boost line hub.
| Other lines, nearest by dry weight | GVWR (lb) | Dry (lb) | Sleeps | Length |
|---|---|---|---|---|
| XLR Boost 3113BX | — | 9,273 | — | 37 ft 1 in |
| Wildwood Heritage Glen 323RLI | — | 9,278 | — | 38 ft 9 in |
| Eagle 320MKTS | 11,500 | 9,280 | 4 | 36 ft 8 in |
| Cherokee Wolf Den Black Label 306MMBL | 11,513 | 9,281 | — | 40 ft 1 in |
| Rockwood Signature 8324SB | — | 9,254 | — | 36 ft 8 in |
| Zinger 340BH | — | 9,252 | 12 | 38 ft 2 in |
| SportTrek ST323VRK | — | 9,240 | 4 | 38 ft 9 in |
Against the XLR Boost 3113BX: the Wildwood Heritage Glen 323RLI is 5 lb heavier and 2 ft longer; the Eagle 320MKTS is 7 lb heavier; the Cherokee Wolf Den Black Label 306MMBL is 8 lb heavier and 3 ft longer.
08 Common questions about the XLR Boost 3113BX
How much can the XLR Boost 3113BX carry?
2,507 lb. A full fresh tank uses 847 lb of it.
What is the tongue weight of the XLR Boost 3113BX?
1,580 lb as published, 17% of the dry weight (median across 2,002 travel trailers here: 12%).
What are the tank capacities on the XLR Boost 3113BX?
Fresh 102, grey 64, black 32 gallons. Off hookups, the waste tanks fill first.
How long is the XLR Boost 3113BX?
37' 1" overall, tongue or pin box included.
From the figures above.
09 What this page publishes, and what it does not
9 of the 18 fields this catalogue tracks are published for the XLR Boost 3113BX. Not published: GVWR, interior height, sleeps, slide count, axle count, tire specification, awning, refrigerator, air conditioning.
Sourcing rules: methodology.
10 Manuals & documents
Sources: forestriverinc.com (linked below); the full source note is at the foot of the page.