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Travel Trailer

Heartland Mallard M33

Heartland Mallard M33

Compare specs across all model years (2016–2025)

10
Model Years
10
Sleeps
36' 8"
Length
9,300
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2025 Mallard M33 Best Choice

Highest Mint Score (28.7). Most recent model year with latest updates.

View 2025 Full Specs & Tow Guide →

What Changed Year-Over-Year

2023 2024

Capacity Change

Sleeping capacity changed from 10 to 9.

2020 2021

Capacity Upgrade

Sleeping capacity increased from 9 to 10 with layout improvements.

2019 2020

Weight Increase

GVWR increased from 8,600 to 9,600 lbs (1,000 lbs heavier).

All Model Years

Can Your Vehicle Tow the Mallard M33?

Enter your truck specs to see if any of these model years fit your towing capacity—and which year gives you the most safety margin.

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

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