Travel Trailer
Heartland Mallard M335
Compare specs across all model years (2018–2025)
8
Model Years
4
Sleeps
39' 5"
Length
9,825
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2019 Mallard M335
Best Choice
Lightest GVWR (9,600 lbs) makes it towable by more vehicles. Highest Mint Score (30.6).
What Changed Year-Over-Year
2019
2020
Weight Increase
GVWR increased from 9,600 to 9,900 lbs (300 lbs heavier).
All Model Years
2025
2025 Heartland Mallard M335
30.2
9,900 lbs GVWR
970 lbs Hitch
39' 5"
Sleeps 4
View Full Specs
Check Towing
2024
2024 Heartland Mallard M335
29.9
9,900 lbs GVWR
1,076 lbs Hitch
39' 5"
Sleeps 4
View Full Specs
Check Towing
2023
2023 Heartland Mallard M335
30.2
9,900 lbs GVWR
780 lbs Hitch
39' 8"
Sleeps 4
View Full Specs
Check Towing
2022
2022 Heartland Mallard M335
30.2
9,900 lbs GVWR
780 lbs Hitch
39' 8"
Sleeps 4
View Full Specs
Check Towing
2021
2021 Heartland Mallard M335
30.2
9,900 lbs GVWR
780 lbs Hitch
39' 8"
Sleeps 4
View Full Specs
Check Towing
2020
2020 Heartland Mallard M335
29.9
9,900 lbs GVWR
780 lbs Hitch
39' 8"
Sleeps 4
↑ 300 lbs heavier than 2019
View Full Specs
Check Towing
Best Value
2019
2019 Heartland Mallard M335
30.6
9,600 lbs GVWR
799 lbs Hitch
39' 8"
Sleeps 4
View Full Specs
Check Towing
2018
2018 Heartland Mallard M335
30.6
9,600 lbs GVWR
799 lbs Hitch
39' 8"
Sleeps 4
Original model year
View Full Specs
Check Towing
Can Your Vehicle Tow the Mallard M335?
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.
Tip: Click a year to see the full specs, tow guidance, and recommended gear for that model year.

Leave the Noise Behind.
Reconnect Outdoors.
Our mission is to help people make well-informed RV buying decisions, so they can leave the noise and screens behind, reconnect with family, and create unforgettable memories in the great outdoors.
Free tools. No sales pressure. Just better decisions.