Dynamax DX3
9 floorplansClass C2013– (in production)Better build tier
Dynamax (Better tier): Forest River
What one actually costs today: $165,300–$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 | $186,800used est. | Patient search |
| 36FK | 2015–18 | 36.7 ft | 33,000 lb | 4 | $193,500used est. | 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 | $238,800used est. | Findable |
| 37RB | 2017– | 40.8 ft | 33,000 lb | 6 | $476,100 | Findable |
| 37TRS | 2013–14 | 39.2 ft | 26,000 lb | 6 | $165,300used est. | 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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