VIN 1XPXP4EX2HD443177 — 2017 Peterbilt (PTRB) 389
Recorded with Dallas W Six Company Inc · USDOT 2183906
Vehicle identity
| VIN | 1XPXP4EX2HD443177 |
| Model year | 2017 |
| Make | Peterbilt (PTRB) |
| Model | 389 |
| Vehicle type | TRUCK TRACTOR |
| License plate | IA CZ6215 (Iowa) |
| Inspection window | 2026-01-26 to 2026-02-27 |
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 |
|---|---|---|---|
| 2026-02-27 | 1XPXP4EX2HD443177 | IA CZ6215 | DALLAS W SIX COMPANY INC · USDOT 2183906 |
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
Dallas W Six Company Inc Active
- USDOT
- 2183906
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Carlisle, IA
- Power units
- 12
- Drivers
- 9
- Inspections (24 mo)
- 5
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 0%
Carrier recorded at the latest inspection in the available records (2026-02-27). 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
1XPXP4EX2HD443177 is a 2017 Peterbilt 389 operated by Dallas W Six Company Inc (USDOT 2183906). License plate on its inspection records: IA CZ6215. 2 roadside inspections on FMCSA record. 1 out-of-service result on record.
What this VIN is
2017 Peterbilt 389 is the vehicle NHTSA’s VIN registry returns for 1XPXP4EX2HD443177. It is a truck-tractor built by PETERBILT MOTORS COMPANY at the DENTON, TEXAS 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 2026-01-26 and 2026-02-27. Its records show 1 out-of-service violation across 2 inspections. Out-of-service breakdown: 1 driver. Its most recent inspection (2026-02-27) was in Iowa, a Level III — driver and paperwork only. Of 2 recorded violations, the most come from Unsafe Driving (1), followed by Fatigued Driving (HOS) (1). Unsafe Driving covers speeding, improper lane changes and other moving violations.
Operator history
Operated by Dallas W Six Company Inc (USDOT 2183906) from 2026-01-26 to 2026-02-27 — 2 inspections, 1 out-of-service.
Full spec sheet (NHTSA vPIC decode)
| Make | PETERBILT |
| Model | 389 |
| Model Year | 2017 |
| 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 | DENTON Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | TEXAS |
| Plant Country | UNITED STATES (USA) |
| 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 | Other Axle drive configuration (e.g. 6x4), which affects traction and fuel economy. |
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Unsafe Driving | 1 | — Minor |
| Fatigued Driving (HOS) | 1 | — Minor |
| Vehicle Maintenance | 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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