VIN 1NKWL29X3KSW51948 — 2019 Kenworth W9 Series
Recorded with Step' N Out Inc · USDOT 723518
Vehicle identity
| VIN | 1NKWL29X3KSW51948 |
| Model year | 2019 |
| Make | Kenworth |
| Model | W9 Series |
| Vehicle type | STRAIGHT TRUCK |
| License plate | WY A25585 (Wyoming) |
| Last inspected | 2026-08-26 |
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 |
|---|---|---|---|
| 2026-08-26 | 1NKWL29X3KSW51948 | WY A25585 | STEP' N OUT INC · USDOT 723518 |
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
Step' N Out Inc Active
- USDOT
- 723518
- MC
- 346974
- Status
- Active
- Type
- Motor Carrier
- Based in
- Afton, WY
- Power units
- 4
- Drivers
- 4
- Inspections (24 mo)
- 12
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 20%
Carrier recorded at the latest inspection in the available records (2026-08-26). 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
1NKWL29X3KSW51948 is a 2019 Kenworth W9 Series operated by Step' N Out Inc (USDOT 723518). License plate on its inspection records: WY A25585. 1 roadside inspection 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
2019 Kenworth W9 Series is the vehicle NHTSA’s VIN registry returns for 1NKWL29X3KSW51948. It is a truck built by KENWORTH TRUCK COMPANY at the SEATTLE, WASHINGTON plant. Powertrain: ISL G/ISLGNZ/L9N engine, 8.9L displacement, running on natural gas. 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 2026-08-26). Across those inspections it was never placed out of service. Its most recent inspection (2026-08-26) was in Montana, a Level III — driver and paperwork only. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by Step' N Out Inc (USDOT 723518) on 2026-08-26 — 1 inspection, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | KENWORTH |
| Model | W9 Series |
| Model Year | 2019 |
| 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 | KENWORTH TRUCK 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 | ISL G/ISLGNZ/L9N The engine family installed at the factory — a major driver of resale value and parts availability. |
| Engine Cylinders | 6 |
| Displacement L | 8.9 Engine displacement in liters — bigger generally means more torque for heavy loads. |
| Fuel Type Primary | Natural Gas 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. |
Operator & inspection history
Related vehicles
- 1NKWL29X3KS519482 KNNW (3 insp · 1 OOS)
- 1XKDDB9X36R142319 Kenworth (3 insp)
- 5MC124817D5137464 MACK TRAIL (3 insp)
- 1XP5DB9X3VD431727 Peterbilt (2 insp)
- 1PPMKR4229R112102 POLA (2 insp)
- 1XP5DB9X3WD440476 Peterbilt (2 insp)
Related
Frequently Asked Questions
What does VIN 1NKWL29X3KSW51948 decode to?
Does VIN 1NKWL29X3KSW51948 have a clean inspection record?
What license plate is on VIN 1NKWL29X3KSW51948?
Vetting a used truck purchase?
Tell us what you're looking for and we'll send matching new or used trucks — no obligation.