The floorplan code is on the decal by your door or in your owner's paperwork.
31RL72 × 80 in2026–2027 · Milestone
36RK72 × 80 in2027 · Milestone
37MB72 × 80 in2027 · Milestone
38BH72 × 80 in2027 · Milestone
39TB72 × 80 in2026–2027 · Milestone326RL326RL70 × 80 in2020–2023 · Milestone360HP360HP70 × 80 in2022–2023 · Milestone
370FLMB70 × 80 in2019–2024 · Milestone
379FLML70 × 80 in2019–2023 · Milestone
386BH70 × 80 in2020–2024 · Milestone| Floorplan | Year | Main bed | Bunks | Source |
|---|---|---|---|---|
| 31RL | 2027 | 72 × 80 in | – | Heartland spec page |
| 36RK | 2027 | 72 × 80 in | – | Heartland spec page |
| 37MB | 2027 | 72 × 80 in | – | Heartland spec page |
| 38BH | 2027 | 72 × 80 in | – | Heartland spec page |
| 39TB | 2027 | 72 × 80 in | – | Heartland spec page |
| 326RL | 2022 | 70 × 80 in | – | Heartland spec sheet |
| 360HP | 2022 | 70 × 80 in | – | Heartland spec sheet |
| 370FLMB | 2022 | 70 × 80 in | – | Heartland spec sheet |
| 379FLML | 2022 | 70 × 80 in | – | Heartland spec sheet |
| 386BH | 2022 | 70 × 80 in | – | Heartland spec sheet |
| 317RL | 2021 | 70 × 80 in | – | Heartland spec sheet |
| 360RD | 2019 | 70 × 80 in | – | recreationalvehicles.info |
The newest year with a published size is shown. Each floorplan page lists every year.