rigsize

Highland Ridge Open Range 393TBR mattress size

Years 2026–2027Sold as Open Range 3XLength 43' 6"Sleeps 10
72 in 78 in
To scale. Dashed: a regular queen.
Main bed72 × 78 inCustom size

That isn't a standard mattress size, so order a custom size cut to your platform.

Highland Ridge spec page, 2026.

Mattresses in 72 × 78 in

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

Custom size
Mattress Insider Luxury Gel Memory Foam

Mattress InsiderLuxury Gel Memory Foam

  • Memory foam
  • 8 in thick
  • not stated
Made to 72 × 78 inGet a quote
Bedroom in a Open Range

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

The 393TBR floorplan

Highland Ridge Open Range 393TBR floorplan, 2027

Highland Ridge's 2027 393TBR floorplan.

Is this your 393TBR?

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

YearModelLengthSleeps
2026Open Range 3X 393TBR44' 4"10
2027Open Range 3X 393TBR43' 6"10

Other Open Range mattress sizes

287RLS322RLS335RBS372MBH390TBSAll Open Range floorplans

Sources

  1. Highland Ridge (highlandridgerv.com): https://www.highlandridgerv.com/rvs/fifth-wheels/2026-open-range-3x/393tbr/
  2. Highland Ridge (highlandridgerv.com): https://www.highlandridgerv.com/rvs/fifth-wheels/2027-open-range-3x/393tbr/

Questions

What size mattress is in the Highland Ridge Open Range 393TBR?

The main bed is 72 × 78 in (Highland Ridge spec page, 2026).