Equipment unit · VIN-decoded · NHTSA vPIC

1998 Western Star 4900E

2WKEDDCJ5WK950465 · Truck-Tractor · TRUCK
Carriers run under1
23 mo
Inspections7
all-time
OOS inspections7
of 7
First seenOct 26, 2023
TX
Last seenSep 22, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
2WKEDDCJ5WK950465
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
Jun 21, 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
EDDCJ

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
950465

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 · 94 decoded VINs at 100.0% prefix purity.

Model
4900E

Prefix basis · 94 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 · Oct 26, 2023 – Sep 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 22, 2025TXII · Walk-around8OOSGLADYS CHAPA 228823236X035W/TX
Aug 15, 2025TXII · Walk-around7OOSGLADYS CHAPA 228823223Y969V/TX
Mar 18, 2025TXI · Full24OOSGLADYS CHAPA 228823292Y791V/TX
Oct 14, 2024TXI · Full16OOSGLADYS CHAPA 22882321L30347/TX
Aug 30, 2024TXII · Walk-around21OOSGLADYS CHAPA 22882321L30347/TX
Jul 22, 2024TXII · Walk-around4OOSGLADYS CHAPA 22882321L30347/TX
Oct 26, 2023TXII · Walk-around7OOSGLADYS CHAPA 22882321L30347/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GLADYS CHAPA2288232Oct 26, 2023Sep 22, 20257TX
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.
36X035WTXGLADYS CHAPASep 22, 2025Sep 22, 20251
23Y969VTXGLADYS CHAPAAug 15, 2025Aug 15, 20251
92Y791VTXGLADYS CHAPAMar 18, 2025Mar 18, 20251
1L30347TXGLADYS CHAPAOct 26, 2023Oct 14, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026