01 What makes it unique
The Columbus 360FK leaves Forest River's factory at 11,489 lbs dry, with a published GVWR of 14,175 lbs and 2,686 lbs of cargo capacity between the two. Cargo capacity is 19% of the loaded rating, and Forest River's own definition is worth reading before you plan against it: cargo capacity is what remains for fresh water, gear, food, batteries and every dealer-installed accessory. Fresh water alone is 8.3 lb per gallon, so filling this trailer's 75-gallon fresh tank spends 622 lbs of that 2,686 lbs before anything else is loaded.
Pin weight is 2,175 lbs, which is 19% of the dry weight. That figure lands on the truck's rear axle and comes straight off its payload rating - not its towing rating, which is the number most often quoted and the wrong one for this decision. Pin weight rises as the trailer is loaded, and a fifth wheel loaded toward its cargo capacity will put substantially more than 2,175 lbs over the bed. Read the payload figure on your own door sticker rather than a brochure maximum for the model.
Tank capacities are 75 gallons fresh, 78 grey and 39 black, 117 gallons of waste capacity against 75 gallons of supply. The ratio is what governs how long the trailer can sit off hookups: waste capacity exceeds fresh, so the fresh tank is the binding constraint and refilling extends the stay. Forest River publishes these three figures per floorplan, and they are the factory's numbers rather than a segment average.
Against the rest of the Columbus roster this is the 2nd of 8 floorplans by dry weight, in a line that runs from 10,464 lbs to 14,664 lbs. It sits in the lighter third of the line. Comparing floorplans inside one line is more reliable than comparing across brands, because every figure here comes from the same factory channel on the same day.
A useful way to read the pair of weights is to stop planning against the dry figure. Nobody tows a trailer at 11,489 lbs: that is the weight before water, batteries, propane, bedding, food, tools and anything the dealer bolted on. Load half the published cargo capacity, which is modest for a family trip, and this plan is already near 12,832 lbs on the road. Compare that number against the tow vehicle, not the dry weight, and leave margin on top of it - the published GVWR of 14,175 lbs is a limit rather than a target.
Every number above was captured twice from Forest River and checked against itself before it was published. The line listing and the individual floorplan page are two separate factory renderings of the same trailer, and this plan's 4 shared figures agree exactly on both. Dry weight plus cargo capacity also equals the published GVWR exactly, which is the arithmetic check this site runs on every profiled floorplan. Where a figure is missing from this page it is because Forest River does not publish it in this channel, not because it was hard to find - and the row says so rather than being quietly dropped.
Forest River publishes no floorplan description for this plan in the channel this page is built from - only the numeric specification block. Rather than describe a layout from the floorplan code, which would be a guess dressed as a fact, this page carries what the factory publishes and says where it stops. 360FK is a Columbus designation and this site does not decode it into a layout claim.
How the 360FK differs from the other seven Columbus floorplans. Most distinctive first. Each rank counts only the siblings that publish that field, and a figure most of them share is left out. Not every one of these pages covers the same model years as this one (2027); each figure is the one its own page prints, so a rank compares pages, not one model year.
- Cargo capacity as a share of GVWR, 18.9%: largest of eight; next is the 340RG (18.7%).
- Dry weight, 11,489 lb: second-lightest of eight, between the 340RG (10,464 lb) and the 383RLH (13,609 lb).
- GVWR, 14,175 lb: second-lowest of eight, between the 340RG (12,870 lb) and the 377DS (16,480 lb).
- Pin weight, 2,175 lb: second-lightest of eight, between the 340RG (1,870 lb) and the 377DS (2,480 lb).
- Length, 36 ft 3 in: second-shortest of eight, between the 340RG (34 ft 8 in) and the 383RLH (41 ft 5 in).
- Cargo capacity, 2,686 lb: third-largest of eight, between the 340RG (2,406 lb) and the 384RKH (2,876 lb).
- Pin weight as a share of dry weight, 18.9%: fourth-largest of eight, between the 388FKH (18.6%) and the 379MBL (19%).
- Grey tank, 78 gal: smallest of eight, level with the 340RG, 379MBL and 383RLH; next are the 388FKH and 389FLH (110 gal).
- Black tank, 39 gal: smallest of eight, level with the 340RG, 379MBL and 389FLH; next are the 383RLH and 384RKH (71 gal).
Next to the 340RG, the nearest lighter floorplan by dry weight, the 360FK is 1,025 lb heavier by dry weight, has a GVWR 1,305 lb higher, has 280 lb more cargo capacity, has a pin weight 305 lb heavier and is 1 ft 7 in longer; the two publish the same exterior height, fresh tank, grey tank and black tank.
Next to the 383RLH (2026 page), the nearest heavier floorplan by dry weight, the 360FK is 2,120 lb lighter by dry weight, has a GVWR 2,460 lb lower, has 340 lb less cargo capacity, has a pin weight 460 lb lighter, is 5 ft 2 in shorter and has a black tank 32 gal smaller; the two publish the same exterior height, fresh tank and grey tank.
02 Full specifications
Dimensions
- Exterior length
- 36' 3"
- Exterior height
- 13' 6"
- Exterior width
- 101"
Weights
- Dry / unit base weight (UVW)
- 11,489 lbs
- GVWR (max loaded)
- 14,175 lbs
- Net cargo / payload (CCC)
- 2,686 lbs
- Hitch / pin weight
- 2,175 lbs
Capacities
- Fresh water
- 75 gal
- Grey water
- 78 gal
- Black water
- 39 gal
Running gear
- Hitch type
- Fifth wheel (pin box)
- Axles
- Not published by Forest River
- Tires
- Not published by Forest River
Sleeping & layout
- Sleeps
- Not published by Forest River
- Awnings
- 14'
How these published figures sit against the rest of the catalogue: fifth wheel pin weight and payload; fresh, grey and black tank sizes; camper trailer size chart.
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
Check your vehicle. Enter the ratings from your owner’s manual and the door-pillar placard.
Compares your figures with this page’s published GVWR (14,175 lb) and the upper loaded pin estimate (3,544 lb, a rule of thumb). Your vehicle’s placard and the trailer’s own weight label govern.
Loaded range: 15–25% of GVWR on the pin, 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 figure, because loaded is never lighter than that.
03 The Columbus floorplan family
Eight 2027 Columbus fifth wheels with a full factory record. The two new plans, 340RG and 360FK, bring the line down to 10,464 lb dry and 34 feet 8 inches; the carried-over plans run to 14,529 lb dry and 43 feet. Cargo capacity runs 1,956 to 2,786 lb and the hitch weight Forest River lists runs 1,870 to 2,630 lb. Every plan publishes a GVWR, from 12,870 to 16,630 lb, and dry weight plus cargo capacity equals it exactly.
| Floorplan | Nominal | Dry weight (lb) | GVWR (lb) | Notable |
|---|---|---|---|---|
| 363FL | — | — | — | Fifth Wheels · published specifications only |
| 340RG | 34' 8" | 10,464 | 12,870 | Fifth Wheels |
| 360FK | 36' 3" | 11,489 | 14,175 | Fifth Wheels |
| 383RLH | 41' 4" | 12,824 | 15,299 | Fifth Wheels |
| 384RKH | 43' 0" | 13,649 | 15,999 | Fifth Wheels |
| 379MBL | 43' 0" | 13,844 | 16,630 | Fifth Wheels |
| 388FKH | 43' 0" | 14,244 | 16,200 | Fifth Wheels |
| 377DS | 42' 7" | 14,339 | 16,480 | Fifth Wheels |
| 389FLH | 42' 7" | 14,529 | 16,555 | Fifth Wheels |
Columbus is Forest River's full-size luxury fifth wheel. For 2027 it lists nine floorplans: the six from 2026, which keep their 2026 pages with the 2027 record shown separately, two new plans, and 363FL, which shows TBD against every figure and is listed on the hub only. Sleeping capacity, axle count, tire size and MSRP are not published in this channel.
04 Notes on this floorplan
What Forest River does not publish for this line
Sleeping capacity, axle count, tire size and MSRP are absent from Forest River's specification channel for Columbus, so they are absent here. They are not estimated from the segment, not carried over from a sibling floorplan, and not taken from a dealer listing quoting itself. A tire size in particular is a safety-relevant number that differs between two codes a digit apart, and this site does not guess one.
Weigh it before you tow it
Every figure on this page is a factory publication for a standard build. Forest River's own footnote on unloaded weight calls it an estimated average based on a standard build with optional equipment, and options, dealer-installed accessories and the previous owner's additions all move it. The only weight that governs your towing decision is the one under your own trailer on a scale, loaded the way you actually travel.
05 How it compares
10,464 lbs dry against this plan's 11,489 lbs, a difference of 1,025 lbs. Same line, same factory channel, same model year - so the gap is a real one rather than a difference in how two brands measure.
12,824 lbs dry, 1,335 lbs more than this plan, and 2,475 lbs of cargo capacity against this one's 2,686 lbs. Stepping up a floorplan usually buys length before it buys payload.
3,026 lbs of cargo capacity, the highest of the 8 Columbus floorplans profiled here. If payload rather than length is the binding constraint, that is the plan to compare against.
06 Loading it for a trip
A full 75-gallon fresh tank is about 622 lb of water (water counts as cargo: 49 CFR 571.120 S10.4.2), 23% of the 360FK’s 2,686 lb cargo capacity, leaving 2,064 lb. Across 8 Columbus floorplans the water share runs 21% to 31%, and 5 give up more than this one. Nearest on that share: Columbus 384RKH at 22% and Columbus 340RG at 26%. 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 Columbus 340RG, nearest on the published figures. It differs on 5 of the 8 fields both publish (this plan first): length 36 ft 3 in vs 34 ft 8 in; dry weight 11,489 lb vs 10,464 lb; GVWR 14,175 lb vs 12,870 lb; cargo capacity 2,686 lb vs 2,406 lb; hitch weight 2,175 lb vs 1,870 lb. They match on fresh tank, grey tank and black tank.
| Columbus plans | This plan | Position, low to high | Range |
|---|---|---|---|
| GVWR (lb) | 14,175 | 2 of 8 | 12,870–16,785 |
| Dry weight (lb) | 11,489 | 2 of 8 | 10,464–14,664 |
| Cargo capacity (lb) | 2,686 | 6 of 8 | 2,026–3,026 |
| Hitch weight (lb) | 2,175 | 2 of 8 | 1,870–2,785 |
| Length | 36 ft 3 in | 2 of 8 | 34 ft 8 in–43 ft 0 in |
| Grey tank (gal) | 78 | 1–4 of 8 | 78–117 |
| Black tank (gal) | 39 | 1–4 of 8 | 39–78 |
Either side of it by GVWR: Columbus 340RG is 1,305 lb lighter (12,870 lb GVWR); Columbus 377DS is 2,305 lb heavier (16,480 lb GVWR).
| Nearest Columbus siblings | Length | Sleeps | Dry (lb) | GVWR (lb) | CCC (lb) | Hitch (lb) | Fresh (gal) |
|---|---|---|---|---|---|---|---|
| Columbus 360FK | 36 ft 3 in | — | 11,489 | 14,175 | 2,686 | 2,175 | 75 |
| Columbus 340RG | 34 ft 8 in | — | 10,464 | 12,870 | 2,406 | 1,870 | 75 |
| Columbus 379MBL | 42 ft 7 in | — | 14,664 | 16,785 | 2,121 | 2,785 | 75 |
| Columbus 383RLH | 41 ft 5 in | — | 13,609 | 16,635 | 3,026 | 2,635 | 75 |
| Columbus 389FLH | 42 ft 7 in | — | 14,529 | 16,555 | 2,026 | 2,555 | 75 |
| Columbus 384RKH | 43 ft 0 in | — | 13,814 | 16,690 | 2,876 | 2,690 | 75 |
All 8 Columbus floorplans: Columbus line hub.
| Other lines, nearest by GVWR | GVWR (lb) | Dry (lb) | Sleeps | Length |
|---|---|---|---|---|
| 360FK | 14,175 | 11,489 | — | 36 ft 3 in |
| Blackthorn 2990MK | 14,180 | 10,864 | — | 35 ft 0 in |
| Cherokee Arctic Wolf 3950SUITE | 14,200 | 11,998 | — | 43 ft 9 in |
| Cardinal 36FL | 14,235 | 11,283 | — | 44 ft 5 in |
| Wildcat 35FL | 14,115 | 10,708 | 6 | 43 ft 5 in |
| Wolf Pack 275PACK15 | 14,260 | 9,313 | — | 32 ft 0 in |
| Eagle 370FBTS | 14,300 | 12,195 | 4 | 40 ft 8 in |
Against the 360FK: the Blackthorn 2990MK is 5 lb heavier and 1 ft shorter; the Cherokee Arctic Wolf 3950SUITE is 25 lb heavier and 8 ft longer; the Cardinal 36FL is 60 lb heavier and 8 ft longer.
08 Common questions about the 360FK
How much does the 360FK weigh?
11,489 lb dry; 14,175 lb GVWR, the most it may weigh loaded.
How much can the 360FK carry?
2,686 lb, 19% of its GVWR (median across 310 fifth wheels here: 19%). A full fresh tank uses 622 lb of it.
What is the pin weight of the 360FK?
2,175 lb as published, 19% of the dry weight (median across 411 fifth wheels here: 19%).
What size tow vehicle does the 360FK need?
A tow rating of at least 14,175 lb, plus payload for the loaded pin weight, passengers and cargo.
What are the tank capacities on the 360FK?
Fresh 75, grey 78, black 39 gallons. Off hookups, fresh water runs out first.
How long is the 360FK?
36' 3" overall, tongue or pin box included.
From the figures above.
09 What this page publishes, and what it does not
11 of the 18 fields this catalogue tracks are published for the 360FK. Not published: interior height, sleeps, slide count, axle count, tire specification, 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.
11 NHTSA safety record
NHTSA holds 12 recall campaigns and 48 owner complaints (model years 2005 on) against the Columbus 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 48 complaints filed on this line the most-reported components are service brakes (52%), structure (17%) and suspension (12%).
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 Columbus line page.