VIN 2NP2HJ7X8MM764352 — 2021 Peterbilt 337
Recorded with Diamond Materials Llc · USDOT 45597
Vehicle identity
| VIN | 2NP2HJ7X8MM764352 |
| Model year | 2021 |
| Make | Peterbilt |
| Model | 337 |
| Vehicle type | STRAIGHT TRUCK |
| License plate | DE CL121368 (Delaware) |
| Inspection window | 2025-07-07 to 2026-06-05 |
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 |
|---|---|---|---|
| 2026-06-05 | 2NP2HJ7X8MM764352 | DE CL121368 | DIAMOND MATERIALS LLC · USDOT 45597 |
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
Diamond Materials Llc Active
- USDOT
- 45597
- MC
- 76472
- Status
- Active
- Type
- Motor Carrier
- Based in
- Wilmington, DE
- Power units
- 139
- Drivers
- 117
- Inspections (24 mo)
- 123
- Crashes (24 mo)
- 9
- Vehicle OOS rate
- 9.3%
Carrier recorded at the latest inspection in the available records (2026-06-05). 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
2NP2HJ7X8MM764352 is a 2021 Peterbilt 337 operated by Diamond Materials Llc (USDOT 45597). License plate on its inspection records: DE CL121368. 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
2021 Peterbilt 337 is the vehicle NHTSA’s VIN registry returns for 2NP2HJ7X8MM764352. It is a truck built by PETERBILT MOTORS COMPANY at the MONTREAL, QUEBEC plant. Powertrain: PX-9 engine, 8.9L displacement, running on diesel. Its gross vehicle weight rating (Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)) places it in Class 7 heavy-duty (26,001–33,000 lb) — large straight trucks, often requiring a CDL.
Roadside inspection & out-of-service record
This specific vehicle appears in 2 FMCSA roadside inspections between 2025-07-07 and 2026-06-05. Across those inspections it was never placed out of service. Its most recent inspection (2026-06-05) was in Maryland, a Level I — full inspection of the driver and the vehicle. Of 1 recorded violation, the most come from Vehicle Maintenance (1). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operator history
Operated by Diamond Materials Llc (USDOT 45597) from 2025-07-07 to 2026-06-05 — 2 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | PETERBILT |
| Model | 337 |
| 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 7: 26,001 - 33,000 lb (11,794 - 14,969 kg) Class 7 heavy-duty (26,001–33,000 lb) — large straight trucks, often requiring a CDL |
| Manufacturer | PETERBILT MOTORS COMPANY The legal manufacturer of record in NHTSA’s database. |
| Plant City | MONTREAL Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | QUEBEC |
| Plant Country | CANADA |
| Engine Model | PX-9 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 | 8.9 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 |
|---|---|---|
| Vehicle Maintenance | 1 | — Minor |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |
Operator & inspection history
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