VIN 1M1AM4GYXMM021428 — 1991 Mack
USDOT 648875
Vehicle identity
| VIN | 1M1AM4GYXMM021428 |
| Model year | 1991 |
| Make | Mack |
| Vehicle type | TRUCK TRACTOR |
| License plate | TN U03309HY (Tennessee) |
| Last inspected | 2025-09-16 |
Recorded vehicle, plate and carrier history
These are dated observations in the records available to us. They do not establish ownership, a sale, a transfer date, or continuous use between observations. The latest observation may not describe today’s vehicle or carrier.
| Observed dates | VIN | Plate | Reported carrier |
|---|---|---|---|
| 2025-09-16 | 1M1AM4GYXMM021428 | TN U03309HY | USDOT 648875 |
Evidence: FMCSA inspection observations and retained snapshots of our vehicle records. Coverage is incomplete; an unreported change cannot be dated from these records.
What this means
1M1AM4GYXMM021428 is a 1991 Mack. License plate on its inspection records: TN U03309HY. 1 roadside inspection on FMCSA record. No out-of-service violations are recorded for this VIN in the available inspection records. Other violations may still be present.
What this VIN is
1991 Mack is the vehicle NHTSA’s VIN registry returns for 1M1AM4GYXMM021428. It is a truck-tractor built by MACK TRUCKS INC. at the MACUNGIE, PENNSYLVANIA plant. Its gross vehicle weight rating (Class 8: 33,001 lb and above (14,969 kg and above)) places it in Class 8 heavy-duty (33,001 lb GVWR and above) — the line-haul tractor / heavy straight-truck tier.
Roadside inspection & out-of-service record
This specific vehicle appears in 1 FMCSA roadside inspection (most recent activity 2025-09-16). Across those inspections it was never placed out of service. Its most recent inspection (2025-09-16) was in North Carolina, a Level III — driver and paperwork only. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by USDOT 648875 on 2025-09-16 — 1 inspection, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | MACK |
| Model Year | 1991 |
| Vehicle Type | TRUCK NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Truck-Tractor The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway. |
| G V W R | Class 8: 33,001 lb and above (14,969 kg and above) Class 8 heavy-duty (33,001 lb GVWR and above) — the line-haul tractor / heavy straight-truck tier |
| Manufacturer | MACK TRUCKS INC. The legal manufacturer of record in NHTSA’s database. |
| Plant City | MACUNGIE Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | PENNSYLVANIA |
| Plant Country | UNITED STATES (USA) |
| Brake System Type | Air Air vs hydraulic brakes — air brakes are standard on heavy trucks and require an endorsement. |
Operator & inspection history
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Related
Frequently Asked Questions
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