4 floorplans · 2025–2027
Newmar Northern Star mattress sizes
Pick your floorplan and year for the mattress size that fits.
The floorplan code is on the decal by your door or in your owner's paperwork.
Sold 2023 and later
Northern Star mattress sizes by floorplan
| Floorplan | Year | Main bed | Bunks | Source |
|---|---|---|---|---|
| 3418 | 2027 | 60 × 80 in | – | Newmar spec sheet |
| 3709 | 2027 | 72 × 80 in | – | Newmar spec sheet |
| 4011 | 2027 | 60 × 80 in | – | Newmar spec sheet |
| 4037 | 2027 | 72 × 80 in | – | Newmar spec sheet |
The newest year with a published size is shown. Each floorplan page lists every year.