377DSFamily Friendly
Length 42' 7"Sleeps 8
The 2026 Forest River Columbus 377DS is a luxury fifth wheel that blends spacious residential-style living with thoughtful functionality for extended travel or full-time RV life.
View Inventory (2)2026
Forest River Columbus
Fifth Wheel
The Forest River Columbus is a fifth wheel from Forest River, with 3 floorplans in stock at Giant RV from 42' 7" – 42' 10", sleeping 6 – 8. Compare every floorplan side by side, check the specs, and shop live Columbus inventory across our Southern California locations.
6 – 8Sleeps
42' 7" – 42' 10"Lengths
3Floorplans
3 – 5Slides
13,814 lb. – 14,414 lb.Dry Weight
2,480 lb. – 2,690 lb.Hitch Weight
16,480 lb. – 16,690 lb.GVWR
75 gal.Fresh Water
Why Buy the Forest River Columbus?
- 3 floorplans in stock from 42' 7" – 42' 10" — compare them side by side below
- Sleeps up to 8 in the 377DS
- Up to 5 slide-outs for extra living space when parked
- Dry weight from 13,814 lb. (384RKH) — check it against your tow vehicle’s rating
- Up to 75 gal. fresh water for time away from hookups
- Built for family friendly and luxury travel travel
- Sold and serviced by Giant RV at four Southern California locations
Floorplans
View All Inventory384RKHLuxury Travel
Length 42' 7"Sleeps 6
The 2026 Forest River Columbus 384RKH is a luxury fifth wheel built for residential comfort and long-term travel, featuring a spacious rear kitchen, expansive living area, and a highly functional half bath with washer/dryer mid-coach.
View Inventory (4)388FKHLuxury Travel
Length 42' 10"Sleeps 6
The 2026 Forest River Columbus 388FKH , a premium fifth wheel crafted for ultimate comfort and convenience!
View Inventory (4)Compare All Floorplans
| Model | 377DS | 384RKH | 388FKH |
|---|---|---|---|
| Length | 42' 7" | 42' 7" | 42' 10" |
| Slides | 4 | 3 | 5 |
| Sleeps | 8 | 6 | 6 |
| Dry Weight | 14,339 lb. | 13,814 lb. | 14,414 lb. |
| GVWR | 16,480 lb. | 16,690 lb. | 16,685 lb. |
| Fresh Water | 75 gal. | 75 gal. | 75 gal. |
| Best For | Family Friendly | Luxury Travel | Luxury Travel |
Top Features
- Slam Latches On All Storage Doors
- Magnetic Compartment Door Holds
- 2-Tone Aluminum Wheels
- Painted Fiberglass Front Cap
- Heated Utility Convenience Center
- Black Tank Flush
- Outside Sprayer
- 2- 30 LB LP Tanks
- Entry Door With Window And Screen Door
- Battery Disconnect
- Power Awnings with LED Lights
- 7000 Lb Axles (All Models)
Dimensions & Capacities
| Specification | 377DS | 384RKH | 388FKH |
|---|---|---|---|
| Length | 42' 7" | 42' 7" | 42' 10" |
| Height | 13' 6" | 13' 6" | 13' 6" |
| Width | 102" | 101" | 101" |
| Awning | 11'6" & 15' | 11' & 20' | 12' & 18' |
| Fresh Water | 75 gal. | 75 gal. | 75 gal. |
| Gray Water | 117 gal. | 117 gal. | 110 gal. |
| Black Water | 78 gal. | 71 gal. | 78 gal. |
| Cargo Capacity | 2,141 lb. | 2,876 lb. | 2,271 lb. |
| A/C Units | 3 | 3 | 3 |
Weights & Towing
| Weight | 377DS | 384RKH | 388FKH |
|---|---|---|---|
| Dry Weight | 14,339 lb. | 13,814 lb. | 14,414 lb. |
| Unloaded Weight | 14,339 lb. | 13,814 lb. | 14,414 lb. |
| GVWR | 16,480 lb. | 16,690 lb. | 16,685 lb. |
| Hitch Weight | 2,480 lb. | 2,690 lb. | 2,685 lb. |
| Axles | 2 | 2 | 2 |
Why Buy From Giant RV?
- Family Owned Over 40 Years
- 4 Locations to Serve You
- Huge Selection in Stock
- Factory Certified Service
- Financing Available
- Trade-Ins Welcome
Ready to Experience the Columbus?
Shop our selection online or visit one of our 4 Southern California locations today!
People Also Ask
How many floorplans does the Forest River Columbus come in?
Giant RV currently stocks 3 new Forest River Columbus floorplans: 377DS, 384RKH and 388FKH. Floorplan availability changes as units sell and arrive, so check live inventory or ask a Giant RV specialist about incoming models.
How long is the Forest River Columbus?
Forest River Columbus floorplans run from 42' 7" (377DS) to 42' 10" (388FKH) overall.
How many people does the Forest River Columbus sleep?
Forest River Columbus floorplans sleep 6 – 8, with the 377DS sleeping the most at 8.
How much does the Forest River Columbus weigh?
Forest River Columbus dry weights run from 13,814 lb. (384RKH) to 14,414 lb. (388FKH), with a GVWR of up to 16,690 lb.. Make sure your tow vehicle is rated for the loaded weight, not just the dry weight.
How much water does the Forest River Columbus hold?
The Forest River Columbus carries 75 gal. of fresh water, plus 117 gal. gray and 78 gal. black.
Which Forest River Columbus floorplan is best for families?
The 377DS, which sleeps 8, is the pick for families in the current Forest River Columbus lineup. A Giant RV specialist can walk you through every floorplan in person.
Where can I buy a Forest River Columbus in Southern California?
Giant RV has new Forest River Columbus models in stock. Browse live inventory online to see which location has the floorplan you want, or visit us in Colton, Downey, Montclair or Murrieta — financing and trade-ins are available.
Product information, floorplans, features, options and specifications are based on manufacturer data for the units in Giant RV’s inventory and are as accurate as possible. Specifications vary by floorplan, model year and options; check with your Giant RV dealer for current information and specifics. Photographs may show optional equipment.
