VIN 1M3AY56KXMM001018 — 1991 Mack RW
Recorded with Tri State Timber Llc · USDOT 1696133
Vehicle identity
| VIN | 1M3AY56KXMM001018 |
| Model year | 1991 |
| Make | Mack |
| Model | RW |
| Vehicle type | TRUCK TRACTOR |
| License plate | IN 3820477 (Indiana) |
| Inspection window | 2025-10-02 to 2026-06-04 |
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 |
|---|---|---|---|
| 2026-06-04 | 1M3AY56KXMM001018 | IN 3820477 | TRI STATE TIMBER LLC · USDOT 1696133 |
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
Tri State Timber Llc Active
- USDOT
- 1696133
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Spencer, IN
- Power units
- 14
- Drivers
- 8
- Inspections (24 mo)
- 12
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 36.4%
Carrier recorded at the latest inspection in the available records (2026-06-04). 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.What this means
1M3AY56KXMM001018 is a 1991 Mack RW operated by Tri State Timber Llc (USDOT 1696133). License plate on its inspection records: IN 3820477. 3 roadside inspections on FMCSA record. 2 out-of-service results on record.
What this VIN is
1991 Mack RW is the vehicle NHTSA’s VIN registry returns for 1M3AY56KXMM001018. It is a incomplete - glider built by MACK TRUCKS INC. at the MACUNGIE, PENNSYLVANIA plant. Powertrain: running on diesel. 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 3 FMCSA roadside inspections between 2025-10-02 and 2026-06-04. Its records show 2 out-of-service violations across 3 inspections. Out-of-service breakdown: 2 vehicle. Its most recent inspection (2026-06-04) was in Indiana, a Level II — walk-around inspection of the driver and the vehicle. Of 5 recorded violations, the most come from Vehicle Maintenance (4), followed by Unsafe Driving (1). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operator history
Operated by Tri State Timber Llc (USDOT 1696133) from 2025-10-02 to 2026-06-04 — 3 inspections, 2 out-of-service.
Full spec sheet (NHTSA vPIC decode)
| Make | MACK |
| Model | RW |
| Model Year | 1991 |
| Series | RW600K |
| Vehicle Type | INCOMPLETE VEHICLE NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Incomplete - Glider 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) |
| 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. |
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 4 | ! Moderate |
| Unsafe Driving | 1 | — Minor |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |
Operator & inspection history
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Frequently Asked Questions
What does VIN 1M3AY56KXMM001018 decode to?
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