Equipment unit · VIN-decoded · NHTSA vPIC

2018 Western Star 4900

5KKXAC008JPJW7534 · Incomplete - Glider · INCOMPLETE VEHICLE
Carriers run under1
15 mo
Inspections4
all-time
OOS inspections0
of 4
First seenMay 16, 2024
ME
Last seenAug 22, 2025
ME
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5KKXAC008JPJW7534
Make
Western Star
Model
4900
Model year
2018
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
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
5KK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
XAC00

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1988 or 2018

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

North American serial sequence
JW7534

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 · 101 decoded VINs at 100.0% prefix purity.

Model
4900

Prefix basis · 101 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Observed model
4900

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Incomplete - Glider

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

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 · May 16, 2024 – Aug 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 22, 2025MEIII · Driver-only0HERBERT C HAYNES INC 25248862563/ME
Mar 11, 2025MEIII · Driver-only1HERBERT C HAYNES INC 25248862563/ME
Jan 8, 2025MEIII · Driver-only0HERBERT C HAYNES INC 25248862563/ME
May 16, 2024MEII · Walk-around0HERBERT C HAYNES INC 25248862563/ME
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HERBERT C HAYNES INC25248May 16, 2024Aug 22, 20254ME
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.
862563MEHERBERT C HAYNES INCMay 16, 2024Aug 22, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026