VIN 1M2MDBAA1MS001091 — 2021 Mack MD
Recorded with Mas Transports Llc · USDOT 4479140
Vehicle identity
| VIN | 1M2MDBAA1MS001091 |
| Model year | 2021 |
| Make | Mack |
| Model | MD |
| Vehicle type | STRAIGHT TRUCK |
| License plates | MI BE26677 (Michigan) WI 33858Z (Wisconsin) |
| Inspection window | 2024-09-02 to 2026-02-18 |
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 |
|---|---|---|---|
| 2026-02-18 | 1M2MDBAA1MS001091 | MI BE26677 | MAS TRANSPORTS LLC · USDOT 4479140 |
| 2024-11-07 | 1M2MDBAA1MS001091 | WI 33858Z | MDN CORPORATION · USDOT 3163128 |
Evidence: FMCSA inspection observations and retained snapshots of our vehicle records. Coverage is incomplete; an unreported change cannot be dated from these records.
Most recently recorded carrier for this vehicle
Mas Transports Llc Active
- USDOT
- 4479140
- MC
- 1768818
- Status
- Active
- Type
- Motor Carrier
- Based in
- Troy, MI
- Power units
- 1
- Drivers
- 1
- Inspections (24 mo)
- 4
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 0%
Carrier recorded at the latest inspection in the available records (2026-02-18). This does not establish current ownership or confirm that the carrier still operates this vehicle.
View full carrier profile →Authority, insurance & bonds, safety scores, crash history, inspections and the full fleet list.This vehicle has also been operated by 1 other carrier (listed below).
What this means
1M2MDBAA1MS001091 is a 2021 Mack MD operated by Mas Transports Llc (USDOT 4479140). License plates on its inspection records: MI BE26677, WI 33858Z. 5 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
2021 Mack MD is the vehicle NHTSA’s VIN registry returns for 1M2MDBAA1MS001091. It is a truck built by MACK TRUCKS INC. at the SALEM, VIRGINIA plant. Powertrain: ISL engine, 6.7L displacement, running on diesel. Its gross vehicle weight rating (Class 6: 19,501 - 26,000 lb (8,845 - 11,794 kg)) places it in Class 6 medium-duty (19,501–26,000 lb) — single-axle delivery and beverage trucks.
Roadside inspection & out-of-service record
This specific vehicle appears in 5 FMCSA roadside inspections between 2024-09-02 and 2026-02-18. Across those inspections it was never placed out of service. Its most recent inspection (2026-02-18) was in Georgia, a Level III — driver and paperwork only. Of 3 recorded violations, the most come from Fatigued Driving (HOS) (3). Fatigued Driving (HOS) covers hours-of-service limits and logbook / ELD records.
Operator history
This VIN appears under 2 different carriers in our records, oldest first: Mdn Corporation (USDOT 3163128) from 2024-09-02 to 2024-11-07 — 1 inspection, none out of service; Mas Transports Llc (USDOT 4479140) from 2025-11-25 to 2026-02-18 — 4 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | MACK |
| Model | MD |
| Model Year | 2021 |
| Vehicle Type | INCOMPLETE VEHICLE NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Truck The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway. |
| G V W R | Class 6: 19,501 - 26,000 lb (8,845 - 11,794 kg) Class 6 medium-duty (19,501–26,000 lb) — single-axle delivery and beverage trucks |
| Manufacturer | MACK TRUCKS INC. The legal manufacturer of record in NHTSA’s database. |
| Plant City | SALEM Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | VIRGINIA |
| Plant Country | UNITED STATES (USA) |
| Engine Model | ISL The engine family installed at the factory — a major driver of resale value and parts availability. |
| Engine Configuration | In-Line Cylinder layout (e.g. inline-6), the dominant configuration in Class 8 diesels. |
| Engine Cylinders | 6 |
| Displacement L | 6.7 Engine displacement in liters — bigger generally means more torque for heavy loads. |
| Fuel Type Primary | Diesel Primary fuel — diesel dominates heavy trucking; CNG/electric change maintenance and range. |
| Brake System Type | Air Air vs hydraulic brakes — air brakes are standard on heavy trucks and require an endorsement. |
| Drive Type | 4x2 Axle drive configuration (e.g. 6x4), which affects traction and fuel economy. |
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Fatigued Driving (HOS) | 3 | ! Moderate |
| Vehicle Maintenance | 0 | ✓ Clean |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |
Operator history — 2 carriers operated this VIN
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