VIN 1NKWLB0X44J066883 — 2004 Kenworth W900
Recorded with R L Mcnair & Son Llc · USDOT 451422
Vehicle identity
| VIN | 1NKWLB0X44J066883 |
| Model year | 2004 |
| Make | Kenworth |
| Model | W900 |
| Vehicle type | STRAIGHT TRUCK |
| License plate | MD 297ED30 (Maryland) |
| Last inspected | 2026-09-06 |
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 |
|---|---|---|---|
| 2026-09-06 | 1NKWLB0X44J066883 | MD 297ED30 | R L MCNAIR & SON LLC · USDOT 451422 |
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 L Mcnair & Son Llc Active
- USDOT
- 451422
- MC
- 125283
- Status
- Active
- Type
- Motor Carrier
- Based in
- Emmitsburg, MD
- Power units
- 21
- Drivers
- 9
- Inspections (24 mo)
- 32
- Crashes (24 mo)
- 1
- Vehicle OOS rate
- 25%
Carrier recorded at the latest inspection in the available records (2026-09-06). 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
1NKWLB0X44J066883 is a 2004 Kenworth W900 operated by R L Mcnair & Son Llc (USDOT 451422). License plate on its inspection records: MD 297ED30. 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. 5 NHTSA recalls match the year/make/model.
What this VIN is
2004 Kenworth W900 is the vehicle NHTSA’s VIN registry returns for 1NKWLB0X44J066883. It is a truck built by KENWORTH TRUCK COMPANY at the CHILLICOTHE, OHIO plant. Powertrain: 3406 engine, 14.6L 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 2026-09-06). Across those inspections it was never placed out of service. Its most recent inspection (2026-09-06) was in Maryland, a Level II — walk-around inspection of the driver and the vehicle. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by R L Mcnair & Son Llc (USDOT 451422) on 2026-09-06 — 1 inspection, none out of service.
Recalls & owner complaints
5 NHTSA safety recalls have been issued for the 2004 Kenworth W900 platform. The most recent, 05V084000, concerns on certain trucks equipped with webasto heaters, the burner tubes are made of material that does not meet specifications and could fail prem… Recalls are issued by make/model/year and may cover only a specific build range, so a match here does not confirm this exact VIN was included.
Full spec sheet (NHTSA vPIC decode)
| Make | KENWORTH |
| Model | W900 |
| Model Year | 2004 |
| 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 | CHILLICOTHE Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | OHIO |
| Plant Country | UNITED STATES (USA) |
| Engine Model | 3406 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 | 14.6 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. |
Operator & inspection history
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Nearby VINs in our inspection database
5 recall(s) matching this make/model/year
Issue: ON CERTAIN TRUCKS EQUIPPED WITH WEBASTO HEATERS, THE BURNER TUBES ARE MADE OF MATERIAL THAT DOES NOT MEET SPECIFICATIONS AND COULD FAIL PREMATURELY.
Risk: SHOULD THE BURNER TUBE FAIL, THE COOLANT HEATER COULD OVERHEAT, POSSIBLY RESULTING IN A FIRE.
Fix: DEALERS WILL REPLACE THE SUSPECTED DEFECTIVE PARTS FREE OF CHARGE. THE RECALL BEGAN ON APRIL 4, 2004. OWNERS MAY CONTACT KENWORTH AT 425-828-5440 OR PETERBILT AT 940-591-4201.
Issue: ON CERTAIN TRUCKS, SOME OF THE HUCK BOLTS ON THE CAB MAY NOT HAVE BEEN PROPERLY INSTALLED.
Risk: IF THE HUCK BOLTS ARE NOT PROPERLY INSTALLED, IN AN EXTREME LOADING CONDITION (SUCH AS FRONTAL AND/OR SIDE IMPACT OR A VEHICLE ROLLOVER SITUATION), THE CAB STRUCTURE COULD BE COMPROMISED AND NOT PROVIDE ADEQUATE PROTECTION FOR THE OCCUPANT INCREASING
Fix: DEALERS WILL INSPECT AND REPLACE THE HUCK BOLTS ON THE CAB ATTACHING STRUCTURE OF THE LEFT-HAND DOOR APERTURE, IF NECESSARY. THE RECALL BEGAN ON NOVEMBER 19, 2004. OWNERS SHOULD CONTACT KENWORTH AT 425-828-5440.
Issue: ON CERTAIN TRUCKS BUILT WITH THE OPTIONAL DANA SPL DRIVELINE, THE U-JOINT FASTENERS AT THE OUTPUT YOKE OF THE TRANSMISSION WERE NOT PROPERLY TIGHTENED.
Risk: IF THE U-JOINTS WERE TO BECOME LOOSE, A PORTION OF THE DRIVELINE COULD BECOME DETACHED FROM THE VEHICLE AND FALL OUT FROM UNDER THE VEHICLE, WHICH COULD CAUSE A CRASH.
Fix: DEALERS WILL VERIFY THE TORQUE OF THE U-JOINT FASTENERS. PARTS SHOWING EXCESSIVE WEAR WILL BE REPLACED. THE RECALL BEGAN ON NOVEMBER 12, 2004. OWNERS SHOULD CONTACT KENWORTH AT 1-425-828-5440.
Issue: ON CERTAIN TRUCKS EQUIPPED WITH A COMBINATION OF CATERPILLAR C11/C13 ENGINES AND AN OPTIONAL LEECE NEVILLE BRUSHLESS ALTERNATOR, A CHAFFING POINT MAY EXIST BETWEEN A HEAT SHIELD ON THE ENGINE AND THE WIRING FOR THE ALTERNATOR.
Risk: THIS COULD LEAD TO AN ELECTRICAL SHORT OR ARC SITUATION WHICH COULD RESULT IN AN ENGINE FIRE.
Fix: DEALERS WILL CHANGE THE ALTERNATOR TO A BRUSH-TYPE ALTERNATOR THAT IS SHORTER IN LENGTH AND PROVIDE THE NECESSARY CLEARANCE TO ALL SURROUNDING COMPONENTS. THE RECALL BEGAN AUGUST 31, 2004. OWNERS SHOULD CONTACT KENWORTH AT 1-425-828-5440.
Issue: CERTAIN TRUCKS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 120, 'TIRE SELECTION AND RIMS FOR MOTOR VEHICLES OTHER THAN PASSENGER CARS.' THE TIRE PRESSURE WAS OMITTED FROM THE VEHICLE'S CERTIFICATION LABEL.
Risk: IF THE TIRE IS OPERATED IN AN UNDER-INFLATED CONDITION, THE LOAD CARRYING CAPACITY OF THE VEHICLE MAY BE COMPROMISED, INCREASING THE RISK OF A CRASH.
Fix: OWNERS WILL BE PROVIDED WITH A CORRECTED LABEL. THE RECALL BEGAN AUGUST 12, 2004. OWNERS SHOULD CONTACT KENWORTH AT 1-425-828-5440.
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