rigsize

KZ Durango G366FBT mattress size

Years 2016–2022Sold as Durango GoldLength 39' 10"
70 in 80 in
To scale. Dashed: a regular queen.
Main bed70 × 80 inRV king

That's an RV king, 6 in narrower than a regular king (76 × 80 in). A regular king won't fit, so get an RV king in exactly 70 × 80 in.

About the RV king size →

KZ spec sheet, 2022.

Mattresses in 70 × 80 in

We may earn a commission when you buy through some of these links. It doesn't change which mattresses we list.

Great all around
RVMattress.com Signature Hybrid

RVMattress.comSignature Hybrid

  • Hybrid
  • 13.25 in thick
  • Soft / Medium / Firm

Sleep Foundation: Best Mattress Overall Read review

$1,865RV King - 70x80 · list priceSee price
Best value
RVMattress.com CopperFlex Essential

RVMattress.comCopperFlex Essential

  • All-foam
  • 6 in thick
  • five comfort options
$799RV King - 70x80 · list priceSee price
Firm
RVMattress.com Plank Firm Luxe

RVMattress.comPlank Firm Luxe

  • Hybrid
  • 13 in thick
  • Firm / Extra Firm
$1,865RV King - 70x80 · list priceSee price
Cooling
RVMattress.com Aurora Luxe Cooling

RVMattress.comAurora Luxe Cooling

  • Hybrid
  • 13.25 in thick
  • Soft / Medium / Firm

Sleep Foundation: Best Mattress for Temperature Regulation Read review

$2,465RV King - 70x80 · list priceSee price
RV hybrid
RVMattress.com CopperFlex RV Hybrid

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$1,065RV King - 70x80 · list priceSee price
Custom size
Mattress Insider Luxury Gel Memory Foam

Mattress InsiderLuxury Gel Memory Foam

  • Memory foam
  • 8 in thick
  • not stated
Made to 70 × 80 inGet a quote
Bedroom in a Durango

The Durango bedroom. Measure the platform, not the old mattress, before you buy.

Bed sizes by year

YearMain bedBunksOther bedsSource
201760 × 80 in Queen––KZ spec sheet
201860 × 80 in Queen––KZ spec sheet
201972 × 80 in King––KZ spec sheet
202070 × 80 in King––KZ spec sheet
202170 × 80 in King––KZ spec sheet
202270 × 80 in King––KZ spec sheet

Years not listed weren't published.

The G366FBT floorplan

KZ Durango G366FBT floorplan, 2022

KZ's 2022 G366FBT floorplan.

Is this your G366FBT?

Check the year and length against your RV before you order.

YearModelLengthSleeps
2016Durango Gold G366FBT39' 6"–
2017Durango Gold G366FBT39' 6"–
2018Durango Gold G366FBT39' 6"–
2019Durango Gold G366FBT39' 10"–
2020Durango Gold G366FBT39' 10"4
2021Durango Gold G366FBT39' 10"4
2022Durango Gold G366FBT39' 10"–

Other Durango mattress sizes

Sources

  1. KZ (kz-rv.com): https://www.kz-rv.com/2016-products/durango-gold-fifth-wheels/2016-G366FBT.html
  2. KZ (kz-rv.com): https://www.kz-rv.com/2017-products/durango-gold-fifth-wheels/2017-G366FBT.html
  3. KZ (kz-rv.com): https://www.kz-rv.com/2018-products/durango-gold-fifth-wheels/2018-G366FBT.html
  4. KZ (kz-rv.com): https://www.kz-rv.com/2019-products/durango-gold-fifth-wheels/2019-G366FBT.html
  5. KZ (kz-rv.com): https://www.kz-rv.com/2020-products/durango-gold-fifth-wheels/2020-G366FBT.html
  6. KZ (kz-rv.com): https://www.kz-rv.com/2021-products/durango-gold-fifth-wheels/2021-G366FBT.html
  7. KZ (kz-rv.com): https://www.kz-rv.com/2022-products/durango-gold-fifth-wheels/G366FBT.html

Questions

What size mattress is in the KZ Durango G366FBT?

The main bed is 70 × 80 in (KZ spec sheet, 2022).