Equipment unit · VIN-decoded · NHTSA vPIC

2023 Western Star 49X Chassis

5KJJBWD11PLUG3812 · Truck-Tractor · TRUCK
Carriers run under1
28 mo
Inspections4
all-time
OOS inspections0
of 4
First seenSep 4, 2023
LA
Last seenJan 16, 2026
OK
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5KJJBWD11PLUG3812
Make
Western Star
Model
49X Chassis
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 17, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
5KJ

Deterministic · VIN positions 1–3.

Vehicle descriptor section
JBWD1

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1993 or 2023

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
UG3812

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
WESTERN STAR

Prefix basis · 377 decoded VINs at 97.9% prefix purity.

Model
49X Chassis

Prefix basis · 377 decoded VINs at 97.9% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Observed model
49X Chassis

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 4, 2023 – Jan 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 16, 2026OKII · Walk-around0MICHAEL LAWSON TRUCKING LLC 461297A524990/MS
Apr 14, 2025LAIII · Driver-only0MICHAEL LAWSON TRUCKING LLC 461297A524990/MS
Feb 27, 2024KSIII · Driver-only2MICHAEL LAWSON TRUCKING LLC 461297A317921/MS
Sep 4, 2023LAIII · Driver-only0MICHAEL LAWSON TRUCKING LLC 461297A317921/MS
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MICHAEL LAWSON TRUCKING LLC461297Sep 4, 2023Jan 16, 20264MS
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
A524990MSMICHAEL LAWSON TRUCKING LLCApr 14, 2025Jan 16, 20262
A317921MSMICHAEL LAWSON TRUCKING LLCSep 4, 2023Feb 27, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026