The floorplan code is on the decal by your door or in your owner's paperwork.
| Floorplan | Year | Main bed | Bunks | Source |
|---|---|---|---|---|
| 8123XL | 2006 | 66 × 80 in | – | Palomino spec sheet |
| 8128XL | 2006 | 66 × 80 in | – | Palomino spec sheet |
| 8144XL | 2006 | 66 × 80 in | – | Palomino spec sheet |
| 8146XL | 2006 | 66 × 80 in | – | Palomino spec sheet |
| M-6122 | 2011 | 66 × 80 in | – | Palomino spec sheet |
| M-6128 | 2011 | 66 × 80 in | – | Palomino spec sheet |
| M-6140 | 2006 | 66 × 80 in | – | Palomino spec sheet |
| M-6142 | 2008 | 66 × 80 in | – | Palomino spec sheet |
| M-6147 | 2011 | 66 × 80 in | – | Palomino spec sheet |
| M-6149 | 2012 | 66 × 80 in | – | Palomino spec sheet |
The newest year with a published size is shown. Each floorplan page lists every year.