VIN 1XPFDB9X71S542775 — 2001 Peterbilt 378
Recorded with Mass Excavation Inc · USDOT 4336532
Vehicle identity
| VIN | 1XPFDB9X71S542775 |
| Model year | 2001 |
| Make | Peterbilt |
| Model | 378 |
| Vehicle type | TRUCK TRACTOR |
| License plate | AK KKJ532 (Alaska) |
| Inspection window | 2025-05-06 to 2026-06-12 |
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 |
|---|---|---|---|
| 2026-06-12 | 1XPFDB9X71S542775 | AK KKJ532 | MASS EXCAVATION INC · USDOT 4336532 |
| 2025-05-09 | 1XPFDB9X71S542775 | AK KKJ532 | DAVIS CONSTRUCTORS & ENGINEERS INC · USDOT 1658883 |
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
Mass Excavation Inc Active
- USDOT
- 4336532
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Anchorage, AK
- Power units
- 43
- Drivers
- 29
- Inspections (24 mo)
- 21
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 8.3%
Carrier recorded at the latest inspection in the available records (2026-06-12). 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
1XPFDB9X71S542775 is a 2001 Peterbilt 378 operated by Mass Excavation Inc (USDOT 4336532). License plate on its inspection records: AK KKJ532. 5 roadside inspections on FMCSA record. 1 out-of-service result on record.
What this VIN is
2001 Peterbilt 378 is the vehicle NHTSA’s VIN registry returns for 1XPFDB9X71S542775. It is a truck-tractor built by PETERBILT MOTORS COMPANY at the SEATTLE, WASHINGTON plant. Powertrain: 3406/C15/C16 engine. 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 5 FMCSA roadside inspections between 2025-05-06 and 2026-06-12. Its records show 1 out-of-service violation across 5 inspections. Out-of-service breakdown: 1 vehicle. Its most recent inspection (2026-06-12) was in Alaska, a Level I — full inspection of the driver and the vehicle. Of 5 recorded violations, the most come from Vehicle Maintenance (5). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operator history
This VIN appears under 2 different carriers in our records, oldest first: Davis Constructors & Engineers Inc (USDOT 1658883) from 2025-05-06 to 2025-05-09 — 2 inspections, 1 out-of-service; Mass Excavation Inc (USDOT 4336532) from 2025-10-22 to 2026-06-12 — 3 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | PETERBILT |
| Model | 378 |
| Model Year | 2001 |
| 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 | PETERBILT MOTORS COMPANY The legal manufacturer of record in NHTSA’s database. |
| Plant City | SEATTLE Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | WASHINGTON |
| Plant Country | UNITED STATES (USA) |
| Engine Model | 3406/C15/C16 The engine family installed at the factory — a major driver of resale value and parts availability. |
| Brake System Type | Air Air vs hydraulic brakes — air brakes are standard on heavy trucks and require an endorsement. |
| Drive Type | 6x4 Axle drive configuration (e.g. 6x4), which affects traction and fuel economy. |
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 5 | ⚠ High |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |
Operator history — 2 carriers operated this VIN
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Frequently Asked Questions
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