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Class C

Dynamax DX3 37rb

Dynamax DX3 37rb

Compare specs across all model years (2020–2025)

6
Model Years
8
Sleeps
40' 9"
Length
33,000
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2020 DX3 37rb Best Choice

Highest Mint Score (29.9). Best living space layout.

View 2020 Full Specs & Tow Guide →

What Changed Year-Over-Year

2024 2025

Engine Change

Horsepower changed from 375 to 360 HP.

2021 2022

More Power

Horsepower changed from 350 to 375 HP.

All Model Years

Tip: Click a year to see the full specs, tow guidance, and recommended gear for that model year.

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