Dynamax DX3
9 floorplansClass C2013– (in production)Better build tier
Dynamax (Better tier): Forest River
What one actually costs today: $431,600–$476,100 across the line, new sticker or used estimate per model.
THE FLOORPLANS — 9
| MODEL | YEARS | LENGTH | GVWR | SLEEPS | PRICE TODAY | FINDING ONE |
|---|---|---|---|---|---|---|
| 32KD | 2024– | 33.8 ft | 33,000 lb | 4 | $431,600 | Patient search |
| 34KD | 2019– | 36.7 ft | 33,000 lb | 6 | $442,500 | Patient search |
| 35DS | 2015–18 | 35.4 ft | 33,000 lb | 4 | — | Patient search |
| 36FK | 2015–18 | 36.7 ft | 33,000 lb | 4 | — | Patient search |
| 37BD | 2021– | 39.2 ft | 33,000 lb | 6 | $456,500 | Patient search |
| 37BH | 2013–21 | 39.2 ft | 33,000 lb | 6 | — | Findable |
| 37RB | 2017– | 40.8 ft | 33,000 lb | 6 | $476,100 | Findable |
| 37TRS | 2013–14 | 39.2 ft | 26,000 lb | 6 | — | Scarce |
| 37TS | 2015– | 39.2 ft | 33,000 lb | 6 | $459,200 | Findable |
THE LINE, YEAR BY YEAR
Assembled from eight-plus model years of brochures, floorplan by floorplan. This is the part a spec sheet can't tell you: which years changed, and which year is the buy.
- 2013Introduced with the DX3 at 26,000 lb GVWR and 12'5" height
- 2013Introduced with the DX3 line
- 2015Introduced
- 2015Replaced by the 37TS
- 2015Introduced, replacing the earlier 37TRS
- 2017Freightliner M2 106 with 33,000 lb GVWR; height 12'9"
- 2017Introduced
- 2017GVWR raised to 33,000 lb on the Freightliner M2 106
- 2019Introduced
- 2019Dropped from the lineup
- 2019Dropped, effectively replaced by the 34KD
- 2019Fresh water 96.5 to 94 gal
- 2019Length restated 41'2" to 40'9"; wheelbase 286"
- 2021Introduced, replacing the 37BH
- 2021Final year, sold as dealer stock only alongside the new 37BD
- 2023Detroit DD8 7.7L 375 hp chassis engine
- 2023Chassis engine switched to the Detroit DD8 7.7L, 375 hp
- 2024Introduced as the entry DX3
- 2026Cummins L9 360 hp; awning listed 16'
- 2026Cummins L9 returns; exterior height 12'9" to 12'8"
- 2026Cummins L9 returns; exterior height 12'8"
- 2026Cummins L9 360 hp returns; exterior height 12'9" to 12'8"
- 2027Cummins L9 450 hp; MSRP $431,589
- 2027Cummins L9 450 hp; MSRP $442,450
- 2027Cummins L9 450 hp; MSRP $456,471
- 2027Cummins L9 450 hp; MSRP $476,142
- 2027Cummins L9 uprated to 450 hp / 1,250 lb-ft; MSRP $459,189
Which DX3 is the right one — if any?
A line this size hides real differences behind similar names. Set what you care about — weight, bunks, build, budget — as sliders, and watch every floorplan here get ranked against the whole market, not just against each other.
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