Verdict · NHTSA data
Limited data — recalls on file
NHTSA has just one complaint on file for the 2006 Mack DM — too few to judge reliability from owner reports alone — but one recall campaign applies to this year, so any used example should have its VIN checked for completed recall work.
1
NHTSA complaints
1
Recalls
0
Investigations
1
Crash-involved
0
Fires reported
0
Injuries
0
Deaths
—
NCAP overall
| Component | Complaints | Share | vs prior year |
|---|---|---|---|
| Other | 1 | 100% | new |
1 NHTSA recall campaign on file. Recall repairs are free at franchised dealers.
Defect
ON CERTAIN TRUCKS, THE BOLT THAT ATTACHES THE PITMAN ARM TO THE STEERING GEAR MAY NOT BE TIGHTENED PROPERLY.
Consequence
THIS MAY AFFECT THE PERFORMANCE OF THE STEERING, WHICH MAY RESULT IN A CRASH.
Remedy
DEALERS WILL CHECK THE TORQUE ON THE BOLT THAT ATTACHES THE PITMAN ARM TO STEERING GEAR AND TIGHTEN THE BOLT PROPERLY. THE RECALL BEAGN AUGUST 18, 2005. OWNERS CONTACT MACK AT 1-800-2528-6586.
Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.
“JUNE 19, 2006 AT APPROXIMATELY 7:40 AM IN HOUSTON,TX. UNIT NUMBER 6611 WITH USDOT NUMBER 1272448 REGISTERED TO ROY MUFFITT HEAVY HAULERS ATTEMPTED TO PASS MY VEHICLE BY USING THE SHOULDER OF THE HIGHWAY AND STRUCK MY RIGHT REAR FENDER. AS I PULLED OFF THE 610 WEST TO 45 SOUTH EXIST RAMP, THE DRIVER…”
The record is thin — 1 NHTSA complaint — so owner-report data can't strongly confirm reliability either way, though 1 recall should be verified as completed.
Yes — NHTSA lists 1 recall campaign affecting the 2006 Mack DM. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.