VIN 558MCC321SK008961 — 2025 Mac (MACL) MAC
USDOT 166179
Vehicle identity
| VIN | 558MCC321SK008961 |
| Model year | 2025 |
| Make | Mac (MACL) |
| Model | MAC |
| Vehicle type | SEMI-TRAILER |
| License plate | WI 866440 (Wisconsin) |
| Inspection window | 2025-08-09 to 2026-08-22 |
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 |
|---|---|---|---|
| 2026-08-22 | 558MCC321SK008961 | WI 866440 | USDOT 166179 |
| 2024-09-10 | 558MCC321SK008961 | IA FY3855 | WESS INC · USDOT 1462609 |
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
558MCC321SK008961 is a 2025 Mac. License plate on its inspection records: WI 866440. 2 roadside inspections 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
2025 Mac is the vehicle NHTSA’s VIN registry returns for 558MCC321SK008961. It is a trailer built by MAC LTT, INC. at the KENT, OHIO plant. Powertrain: running on not applicable, paired with a not applicable transmission. 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 2 FMCSA roadside inspections between 2025-08-09 and 2026-08-22. Across those inspections it was never placed out of service. Its most recent inspection (2026-08-22) was in Iowa, a Level II — walk-around inspection of the driver and the vehicle. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by USDOT 166179 from 2025-08-09 to 2026-08-22 — 2 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | MAC |
| Model | MAC |
| Model Year | 2025 |
| Vehicle Type | TRAILER NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Trailer 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 | MAC LTT, INC. The legal manufacturer of record in NHTSA’s database. |
| Plant City | KENT Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | OHIO |
| Plant Country | UNITED STATES (USA) |
| Axles | 2 Number of axles — ties directly to weight limits and toll/registration class. |
Operator & inspection history
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Frequently Asked Questions
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