VIN 1HTWNAZR97J439921 — 2007 International (INTL) SF637
Recorded with R Smith Paving Contractor Inc · USDOT 669345
Vehicle identity
| VIN | 1HTWNAZR97J439921 |
| Model year | 2007 |
| Make | International (INTL) |
| Model | SF637 |
| Vehicle type | STRAIGHT TRUCK |
| License plate | PA ZSK3203 (Pennsylvania) |
| Last inspected | 2025-05-30 |
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 |
|---|---|---|---|
| 2025-05-30 | 1HTWNAZR97J439921 | PA ZSK3203 | R SMITH PAVING CONTRACTOR INC · USDOT 669345 |
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
R Smith Paving Contractor Inc Active
- USDOT
- 669345
- MC
- —
- Status
- Active
- Type
- Carrier & Shipper
- Based in
- West Chester, PA
- Power units
- 17
- Drivers
- 5
- Inspections (24 mo)
- 11
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 50%
Carrier recorded at the latest inspection in the available records (2025-05-30). 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
1HTWNAZR97J439921 is a 2007 International SF637 operated by R Smith Paving Contractor Inc (USDOT 669345). License plate on its inspection records: PA ZSK3203. 1 roadside inspection on FMCSA record. 2 out-of-service results on record.
What this VIN is
2007 International SF637 is the vehicle NHTSA’s VIN registry returns for 1HTWNAZR97J439921. It is a truck built by INTERNATIONAL MOTORS, LLC at the GARLAND, TEXAS plant. Powertrain: International 570 / Maxxforce 9 &10 engine, 9.340626480L displacement, 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 1 FMCSA roadside inspection (most recent activity 2025-05-30). Its records show 2 out-of-service violations across 1 inspection. Out-of-service breakdown: 2 vehicle. Its most recent inspection (2025-05-30) was in New Jersey, a Level II — walk-around inspection of the driver and the vehicle. Of 2 recorded violations, the most come from Vehicle Maintenance (2). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operator history
Operated by R Smith Paving Contractor Inc (USDOT 669345) on 2025-05-30 — 1 inspection, 2 out-of-service.
Full spec sheet (NHTSA vPIC decode)
| Make | INTERNATIONAL |
| Model | SF637 |
| Model Year | 2007 |
| Series | WorkStar 7500 |
| 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 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 | INTERNATIONAL MOTORS, LLC The legal manufacturer of record in NHTSA’s database. |
| Plant City | GARLAND Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | TEXAS |
| Plant Country | UNITED STATES (USA) |
| Engine Model | International 570 / Maxxforce 9 &10 The engine family installed at the factory — a major driver of resale value and parts availability. |
| Displacement L | 9.340626480 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 | 6x4 Axle drive configuration (e.g. 6x4), which affects traction and fuel economy. |
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 2 | ! Moderate |
| 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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Frequently Asked Questions
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