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Made to 49 × 79 inGet a quote
Jayco Terrain 19YG mattress size
Main bed49 × 79 inDouble bunk
That isn't a standard mattress size, so order a custom size cut to your platform.
About the RV bunk size →Jayco floorplan drawing, 2027.
Mattresses in 49 × 79 in
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The Terrain bedroom. Measure the platform, not the old mattress, before you buy.
Bed sizes by year
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2025 | 49 × 79 in | – | – | Jayco floorplan drawing |
| 2026 | 49 × 79 in | – | – | Jayco floorplan drawing |
| 2027 | 49 × 79 in | – | – | Jayco floorplan drawing |
Years not listed weren't published.
The 19YG floorplan
Jayco's 2027 19YG floorplan.
Is this your 19YG?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2025 | Terrain 19YG | 19' 7" | 2 |
| 2026 | Terrain 19YG | 19' 7" | 2 |
| 2027 | Terrain 19YG | 19' 7" | 2 |
Other Terrain mattress sizes
Sources
- Jayco (jayco.com): https://www.jayco.com/rvs/class-b-motorhomes/2025-terrain/19yg/
- Jayco (jayco.com): https://www.jayco.com/rvs/class-b-motorhomes/2026-terrain/19yg/
- Jayco (jayco.com): https://www.jayco.com/rvs/class-b-motorhomes/2027-terrain/19yg/
Questions
What size mattress is in the Jayco Terrain 19YG?
The main bed is 49 × 79 in (Jayco floorplan drawing, 2027).