VIN 3WKDD40X7CF839421 — 2012 Kenworth (KW) T8 Series
Recorded with Roberto Alejandro Villasenor Milanes · USDOT 4480936
Vehicle identity
| VIN | 3WKDD40X7CF839421 |
| Model year | 2012 |
| Make | Kenworth (KW) |
| Model | T8 Series |
| Vehicle type | TRUCK TRACTOR |
| License plate | MC 55BL3Z (MC) |
| Inspection window | 2026-06-09 to 2026-07-08 |
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 |
|---|---|---|---|
| 2026-07-08 | 3WKDD40X7CF839421 | MC 55BL3Z | ROBERTO ALEJANDRO VILLASENOR MILANES · USDOT 4480936 |
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
Roberto Alejandro Villasenor Milanes Active
- USDOT
- 4480936
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Uruapan, MC
- Power units
- 2
- Drivers
- 2
- Inspections (24 mo)
- 4
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 50%
Carrier recorded at the latest inspection in the available records (2026-07-08). 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
3WKDD40X7CF839421 is a 2012 Kenworth T8 Series operated by Roberto Alejandro Villasenor Milanes (USDOT 4480936). License plate on its inspection records: MC 55BL3Z. 2 roadside inspections on FMCSA record. 6 out-of-service results on record.
What this VIN is
2012 Kenworth T8 Series is the vehicle NHTSA’s VIN registry returns for 3WKDD40X7CF839421. It is a truck-tractor built by KENWORTH TRUCK COMPANY at the MEXICALI, BAJA CALIFORNIA plant. Powertrain: ISX engine, 15L 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 2 FMCSA roadside inspections between 2026-06-09 and 2026-07-08. Its records show 6 out-of-service violations across 2 inspections. Out-of-service breakdown: 3 vehicle, 3 driver. Its most recent inspection (2026-07-08) was in Texas, a Level III — driver and paperwork only. Of 9 recorded violations, the most come from Fatigued Driving (HOS) (6), followed by Vehicle Maintenance (3). Fatigued Driving (HOS) covers hours-of-service limits and logbook / ELD records.
Operator history
Operated by Roberto Alejandro Villasenor Milanes (USDOT 4480936) from 2026-06-09 to 2026-07-08 — 2 inspections, 6 out-of-service.
Full spec sheet (NHTSA vPIC decode)
| Make | KENWORTH |
| Model | T8 Series |
| Model Year | 2012 |
| 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 | KENWORTH TRUCK COMPANY The legal manufacturer of record in NHTSA’s database. |
| Plant City | MEXICALI Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | BAJA CALIFORNIA |
| Plant Country | MEXICO |
| Engine Model | ISX 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 | 15 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 |
|---|---|---|
| Fatigued Driving (HOS) | 6 | ⚠ High |
| Vehicle Maintenance | 3 | ! Moderate |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |
Operator & inspection history
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Frequently Asked Questions
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Why was 2012 Kenworth T8 Series VIN 3WKDD40X7CF839421 placed out of service?
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