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MODEL-YEAR RECALL REPORT

2021 Heartland Mallard recalls

NHTSA's September 21, 2026 snapshot lists 5 safety recall campaigns for the 2021 Heartland Mallard, spanning 3 component groups. A model match does not confirm that a specific VIN is included.

Official source: NHTSA recall campaign file · Snapshot September 21, 2026

Distinct campaigns5not VIN-specific
Component groups3distinct top-level categories
Latest recordJuly 22, 2021report received
VIN resultNot checkeduse official lookup

01 / OFFICIAL CAMPAIGNS

2021 Heartland Mallard recall campaigns

The 2021 Heartland Mallard report contains 5 distinct NHTSA campaigns; the most recently received record is campaign 21V557000 dated July 22, 2021.
CAMPAIGN

NHTSA 21V557000

Component
EQUIPMENT
Report received
July 22, 2021
Potential units
649campaign-wide
Defect and consequence

Defect: Heartland Recreational Vehicles, LLC (Heartland) is recalling certain 2021 North Trail and Mallard recreational trailers. The refrigerator roof vents were not routed properly during production.

Why it matters: An improperly routed vent may allow the refrigerator to overheat, increasing the risk of a fire. Further, exhaust gas trapped inside the vehicle can cause carbon monoxide poisoning, increasing the risk of injury or death.

Remedy

Dealers will inspect the roof vent, and repair the vent sleeve connection if necessary, free of charge. Owner notification letters were mailed August 31, 2021. Owners may contact Heartland customer service at 1-877-262-8032.

Owner notification: August 31, 2021 · Filing manufacturer: Heartland Recreational Vehicles, LLC

CAMPAIGN

NHTSA 21V453000

Component
EQUIPMENT
Report received
June 17, 2021
Potential units
2,486campaign-wide
Defect and consequence

Defect: Heartland Recreational Vehicles, LLC (Heartland) is recalling certain 2021 Mallard, Wilderness, Trail Runner and 2020-2021 North Trail trailers. The LP gas lines may not have been tightened properly on the outside cooktops, which could result in a gas leak.

Why it matters: A gas leak can increase the risk of a fire.

Remedy

Dealers will inspect and tighten the LP gas lines, and test the propane system for leaks, free of charge. Owner notification letters were mailed August 10, 2021. Owners may contact Heartland customer service at 1-877-262-8032.

Owner notification: August 10, 2021 · Filing manufacturer: Heartland Recreational Vehicles, LLC

CAMPAIGN

NHTSA 21V428000

Component
EQUIPMENT
Report received
June 4, 2021
Potential units
22,326campaign-wide
Defect and consequence

Defect: Heartland Recreational Vehicles, LLC. (Heartland) is recalling certain 2018-2021 Mallard, Shadow Cruiser, Sundance XLTTT, Wilderness, Prowler, Trail Runner, 2018-2019 Pioneer, Terry Classic, 2020-2021 Lithium, and 2021 North Trail trailers equipped with a Winntec model 6020 two-stage propane regulator. The regulator may fail, causing an increase in propane pressure.

Why it matters: Increased propane pressure can enlarge the flames in gas appliances, increasing the risk of a fire.

Remedy

Dealers will replace the regulator and test the propane system for leaks, free of charge. Owner notification letters were mailed August 3, 2021. Owners may contact Heartland customer service at 1-877-262-8032.

Owner notification: August 3, 2021 · Filing manufacturer: Heartland Recreational Vehicles, LLC

CAMPAIGN

NHTSA 21V009000

Component
SUSPENSION, TIRES
Report received
January 14, 2021
Potential units
76campaign-wide
Defect and consequence

Defect: Heartland Recreational Vehicles, LLC (Heartland) is recalling certain 2021 Mallard M180BH recreational trailers. These units had incorrect axle, rims, and tires installed during production.

Why it matters: The incorrect axles, rims, and tires can cause the trailer to be overloaded, increasing the risk of a crash.

Remedy

Heartland will notify owners, and dealers will replace the axle, rims, tires and the spare tire, free of charge. The recall began January 28, 2021. Owners may contact Heartland customer service at 1-877-262-8032.

Owner notification: January 28, 2021 · Filing manufacturer: Heartland Recreational Vehicles, LLC

CAMPAIGN

NHTSA 20V486000

Component
EQUIPMENT
Report received
August 18, 2020
Potential units
204campaign-wide
Defect and consequence

Defect: Heartland Recreational Vehicles, LLC (Heartland) is recalling certain 2021 Mallard travel trailers. The liquid propane (LP) hose and connector may contact the suspension shackle.

Why it matters: Contact with the shackle can cause premature failure of the LP hose, increasing the risk of a fire in the presence of an ignition source.

Remedy

Heartland will notify owners, and dealers will relocate the hose to prevent the LP hose/connector from being able to make contact with the shackle. The recall began October 9, 2020. Owners may contact Heartland customer service at 1-877-262-8032.

Owner notification: October 9, 2020 · Filing manufacturer: Heartland Recreational Vehicles, LLC

02 / COMPONENT BREADTH

What defects are listed for the 2021 Heartland Mallard?

The most frequent component groups in 2021 Heartland Mallard campaign records are Equipment (4), Suspension (1), Tires (1); these counts describe filed campaigns rather than observed failure rates.
Equipment4
Suspension1
Tires1

03 / MODEL-YEAR CONTEXT

How the 2021 Heartland Mallard compares across model years

RecallRoad publishes 2 model-year reports for the Heartland Mallard, spanning 2017–2021; each year keeps its NHTSA campaign count separate.
Open the complete Heartland Mallard model history →