rigsize

Keystone Outback 342CG mattress size

Years 2021–2025Sold as OutbackLength 37' 5"
72 in 74 in
To scale. Dashed: a regular queen.
Main bed72 × 74 inRV short king

That's an RV short king. Few brands stock 72 × 74 in, so order a custom size.

About the RV short king size →

Keystone spec sheet, 2025.

Mattresses in 72 × 74 in

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Custom size
Mattress Insider Park Meadow Encased Coil II

Mattress InsiderPark Meadow Encased Coil II

  • Hybrid
  • 8 in thick
  • cushion-firm

Sleep Foundation: Best Mattress for Pressure Relief Read review

Made to 72 × 74 inGet a quote
Bedroom in a Outback

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

Bed sizes by year

YearMain bedBunksOther bedsSource
202372 × 74 in King––Keystone spec sheet
202472 × 74 in King––Keystone spec sheet
202572 × 74 in King––Keystone spec sheet

Years not listed weren't published.

The 342CG floorplan

Keystone Outback 342CG floorplan, 2025

Keystone's 2025 342CG floorplan.

Is this your 342CG?

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

YearModelLengthSleeps
2021Outback 342CG38' 0"–
2022Outback 342CG38' 0"–
2023Outback 342CG38' 0"–
2024Outback 342CG38' 0"–
2025Outback 342CG37' 5"–

Other Outback mattress sizes

Sources

  1. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/56db7c20-4e43-4043-a2aa-36d678509423_Outback_16pg_Brochure_Dec20_WEB.pdf
  2. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/b19b4f63-7472-4d49-8b20-2537900d1c71_OB_8_5x11_Hershey_Brochure_Aug21_WEB.pdf
  3. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/2b65d7aa-f374-4b2b-8a17-f1e70024f9ff_KRV_230224_OB_Brochure_8.5x11.pdf
  4. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/43149e11-d2dd-454e-9b53-fd7339bc4ebb_KRV_2310_Outback_Brochure_8.5x11_WEB.pdf
  5. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/Zxj6LoF3NbkBX6y2_OB_2410_Brochure_WEB.pdf

Questions

What size mattress is in the Keystone Outback 342CG?

The main bed is 72 × 74 in (Keystone spec sheet, 2025).