← New search1973 Mack HMM6856S
Owner reports · Recalls · Investigations
IllustrationSame car.
More answers.Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Other model years Selected year
Compare all HMM6856S years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
No component reports in this snapshot.
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 0 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
What owners actually said
0 reportsNo matching complaints in this snapshot.
Official recalls
1Feb 9, 1978
THE STEERING PITMAN ARM IS SUBJECT TO FAILURE AT THE AREA OF THE TRANSITION TO THE ARM OFFSET DUE TO HIGH STRESS CONCENTRATIONS.
Consequence & remedy
Consequence: Not supplied
Remedy: DEALER WILL REPLACE THE STEERING PITMAN ARM, STEERING GEAR OUTPUT SHAFT AND STEERING GEAR MOUNTING BRACKET.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.