01 What makes it unique
KZ lists the 2026 Durango Gold G391RKF at 14,160 lb dry, a GVWR of 16,400 lb, a net carrying capacity of 2,240 lb and a pin weight of 2,750 lb. Its dry weight plus its carrying capacity comes to exactly its GVWR.
It is 42' 5" long and 13' 6" high. KZ prints its tanks as 76 gal fresh, 90 gal grey, 50 gal black.
Every number on this page was read on 8 Nov 2026 from KZ’s own 2026 Durango Gold floorplan page for the Durango Gold G391RKF, whose heading names the model year 2026.
How the G391RKF differs from the other ten Durango Gold floorplans. Most distinctive first. Sibling pages may cover other model years than this one (2026). How these ranks are worked out.
- Cargo capacity, 2,240 lb: second-smallest of eleven, between the G358RPQ (1,725 lb) and the G382MBF (2,295 lb).
- Pin weight, 2,750 lb: second-lightest of eleven, between the G358RPQ (2,730 lb) and the G366FBQ (2,800 lb).
- Pin weight as a share of dry weight, 19.4%: second-smallest of eleven, between the G382MBF (18.5%) and the G366FBQ and G390MLQ (19.9%).
- GVWR, 16,400 lb: third-lowest of eleven, between the G383RLQ (16,000 lb) and the G310RLQ (16,500 lb).
- Cargo capacity as a share of GVWR, 13.7%: third-smallest of eleven, between the G382MBF (12.8%) and the G388FLS (14.8%).
- Dry weight, 14,160 lb: fifth-lightest of eleven, between the G366FBQ (14,100 lb) and the G390MLQ (14,550 lb).
- Sleeping capacity, 6: shared with the G388FLS and G393MKF; of eleven, seven smaller and one larger, nearest the G310RLQ, G358RPQ and five others (4) and the G382MBF (8).
- Length, 42 ft 5 in: shared with the G382MBF and G390MLQ; of eleven, six shorter and two longer, nearest the G384MSQ (42 ft 3 in) and the G388FLS and G393MKF (42 ft 11 in).
Next to the G366FBQ (2027 page), the nearest lighter floorplan by dry weight, the G391RKF is 60 lb heavier by dry weight, has a GVWR 1,100 lb lower, has 1,160 lb less cargo capacity, is 2 ft longer, has a black tank 50 gal smaller and sleeps two more; the two publish the same exterior height, interior height, fresh tank and grey tank.
Next to the G390MLQ (2027 page), the nearest heavier floorplan by dry weight, the G391RKF is 390 lb lighter by dry weight, has a GVWR 1,100 lb lower, has 710 lb less cargo capacity and sleeps two more; the two publish the same length, exterior height, interior height, fresh tank, grey tank and black tank.
02 Full specifications
Dimensions
- Exterior length
- 42' 5"
- Exterior height
- 13' 6"
- Exterior width
- 101"
- Interior height
- 80"
Weights
- Dry / unit base weight (UVW)
- 14,160 lb
- GVWR (max loaded)
- 16,400 lb
- Net cargo / payload (CCC)
- 2,240 lb
- Hitch / pin weight
- 2,750 lb
Capacities
- Fresh water
- 76 gal
- Grey water
- 90 gal
- Black water
- 50 gal
Running gear
- Hitch type
- Fifth wheel (pin box)
- Tire size
- 17.5"
Sleeping & layout
- Sleeps
- 6
- Availability (as printed)
- KZ files this floorplan “Dealer Stock Only”: sold from dealer inventory, not orderable from the factory
- Model year (as printed)
- floorplan drawing labelled “2026 KZ RV Durango Gold G391RKF Fifth Wheel Floorplan” on KZ’s page
- Awning
- 18'
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 (16,400 lb) and the upper loaded pin estimate (4,100 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 Durango Gold floorplan family
The Durango Gold floorplan below was added from KZ’s 2026 Durango Gold floorplan page; every Durango Gold floorplan on this site, every model year, is listed on the Durango Gold hub.
| Floorplan | Nominal | Sleeps |
|---|---|---|
| Durango Gold G391RKF | 42' 5" | 6 |
The Durango Gold floorplan below was added from KZ’s 2026 Durango Gold floorplan page; every Durango Gold floorplan on this site, every model year, is listed on the Durango Gold hub.
04 Notes on this floorplan
What KZ does not publish for the Durango Gold G391RKF
Nothing is filled from a sibling model, a different model year or a dealer listing.
Read the label on the trailer
The weight label every RV trailer carries by law (49 CFR 571.110 and 571.120) governs the towing decision, not this page.
05 How it compares
06 Loading it for a trip
A full 76-gallon fresh tank is about 631 lb of water (water counts as cargo: 49 CFR 571.120 S10.4.2), 28% of the Durango Gold G391RKF’s 2,240 lb cargo capacity, leaving 1,609 lb (268 lb per rated berth). Across 11 Durango Gold floorplans the water share runs 19% to 37%, and 1 gives up more than this one. Nearest on that share: Durango Gold G382MBF at 27% and Durango Gold G358RPQ at 37%. 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 Durango Gold G393MKF, nearest on the published figures. It differs on 5 of the 9 fields both publish (this plan first): length 42 ft 5 in vs 42 ft 11 in; dry weight 14,160 lb vs 14,650 lb; GVWR 16,400 lb vs 17,500 lb; cargo capacity 2,240 lb vs 2,850 lb; hitch weight 2,750 lb vs 3,050 lb. They match on sleeps, fresh tank, grey tank and black tank.
| Durango Gold plans | This plan | Position, low to high | Range |
|---|---|---|---|
| GVWR (lb) | 16,400 | 3 of 11 | 14,995–17,995 |
| Dry weight (lb) | 14,160 | 5 of 11 | 13,270–15,700 |
| Cargo capacity (lb) | 2,240 | 2 of 11 | 1,725–3,400 |
| Hitch weight (lb) | 2,750 | 2 of 11 | 2,730–3,150 |
| Length | 42 ft 5 in | 7–9 of 11 | 34 ft 11 in–42 ft 11 in |
| Black tank (gal) | 50 | 1–9 of 11 | 50–100 |
| Sleeps | 6 | 8–10 of 11 | 4–8 |
Either side of it by GVWR: Durango Gold G383RLQ is 400 lb lighter (16,000 lb GVWR); Durango Gold G310RLQ is 100 lb heavier (16,500 lb GVWR).
| Nearest Durango Gold siblings | Length | Sleeps | Dry (lb) | GVWR (lb) | CCC (lb) | Hitch (lb) | Fresh (gal) |
|---|---|---|---|---|---|---|---|
| Durango Gold G391RKF | 42 ft 5 in | 6 | 14,160 | 16,400 | 2,240 | 2,750 | 76 |
| Durango Gold G393MKF | 42 ft 11 in | 6 | 14,650 | 17,500 | 2,850 | 3,050 | 76 |
| Durango Gold G382MBF | 42 ft 5 in | 8 | 15,700 | 17,995 | 2,295 | 2,910 | 76 |
| Durango Gold G383RLQ | 41 ft 5 in | 4 | 13,300 | 16,000 | 2,700 | 2,870 | 76 |
| Durango Gold G390MLQ | 42 ft 5 in | 4 | 14,550 | 17,500 | 2,950 | 2,900 | 76 |
| Durango Gold G384MSQ | 42 ft 3 in | 4 | 14,900 | 17,995 | 3,095 | 3,050 | 76 |
All 11 Durango Gold floorplans: Durango Gold line hub.
| Other lines, nearest by GVWR | GVWR (lb) | Dry (lb) | Sleeps | Length |
|---|---|---|---|---|
| Durango Gold G391RKF | 16,400 | 14,160 | 6 | 42 ft 5 in |
| Momentum 320G | 16,400 | 13,100 | 6 | — |
| Blackthorn 3820DSL | 16,350 | 13,439 | — | 41 ft 11 in |
| Columbus 377DS | 16,480 | 14,339 | — | 42 ft 7 in |
| Big Country 3500SS | 16,500 | 13,216 | 4 | 39 ft 7 in |
| Arctic Fox Edge 295RK | 16,300 | 12,730 | 2 | 33 ft 10 in |
| Arctic Fox NXT 295RK | 16,300 | 12,768 | 4 | 33 ft 10 in |
Against the Durango Gold G391RKF: the Blackthorn 3820DSL is 50 lb lighter; the Columbus 377DS is 80 lb heavier.
08 Common questions about the Durango Gold G391RKF
How much does the Durango Gold G391RKF weigh?
14,160 lb dry; 16,400 lb GVWR, the most it may weigh loaded.
How much can the Durango Gold G391RKF carry?
2,240 lb, 14% of its GVWR (median across 491 fifth wheels here: 19%). A full fresh tank uses 631 lb of it.
What is the pin weight of the Durango Gold G391RKF?
2,750 lb as published, 19% of the dry weight (median across 727 fifth wheels here: 19%).
What size tow vehicle does the Durango Gold G391RKF need?
A tow rating of at least 16,400 lb, plus payload for the loaded pin weight, passengers and cargo.
How many people does the Durango Gold G391RKF sleep?
It is rated to sleep 6. 1 of the 11 Durango Gold floorplans that publish a count sleep more.
What are the tank capacities on the Durango Gold G391RKF?
Fresh 76, grey 90, black 50 gallons. Off hookups, fresh water runs out first.
How long is the Durango Gold G391RKF?
42' 5" overall, tongue or pin box included.
From the figures above.
09 What this page publishes, and what it does not
13 of the 18 fields this catalogue tracks are published for the Durango Gold G391RKF. Not published: slide count, axle count, refrigerator, air conditioning, tire size (a description is published, a size is not).
Sourcing rules: methodology.
10 Manuals & documents
Sources: kz-rv.com (linked below); the full source note is at the foot of the page.
11 NHTSA safety record
NHTSA holds 17 recall campaigns and 10 owner complaints (model years 2005 on) against the Durango line (a recall and a complaint are not the same thing).
What to look at on a used one. Across the 10 complaints filed on this line the most-reported components are structure (50%), tires (20%) and suspension (10%).
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 Durango line page.