Equipment unit · VIN-decoded · NHTSA vPIC

1998 Western Star 4900E

2WKEDDXJ1WK949811 · Truck-Tractor · TRUCK
Carriers run under1
5 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJun 17, 2025
OK
Last seenNov 25, 2025
OK
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
2WKEDDXJ1WK949811
Make
Western Star
Model
4900E
Model year
1998
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 2, 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
2WK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
EDDXJ

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1998 or 2028

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

North American serial sequence
949811

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 · 75 decoded VINs at 100.0% prefix purity.

Model
4900E

Prefix basis · 75 decoded VINs at 100.0% 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
1998

Observed directly for this VIN via NHTSA vPIC.

Observed make
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Observed model
4900E

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 · Jun 17, 2025 – Nov 25, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 25, 2025OKII · Walk-around0ADVANCED PRECAST SOLUTIONS LLC 2800984735276/OK
Sep 24, 2025OKI · Full15OOSADVANCED PRECAST SOLUTIONS LLC 2800984735276/OK
Jun 17, 2025OKIII · Driver-only0ADVANCED PRECAST SOLUTIONS LLC 280098446C028/OK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ADVANCED PRECAST SOLUTIONS LLC2800984Jun 17, 2025Nov 25, 20253OK
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.
735276OKADVANCED PRECAST SOLUTIONS LLCSep 24, 2025Nov 25, 20252
46C028OKADVANCED PRECAST SOLUTIONS LLCJun 17, 2025Jun 17, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 2, 2026