Equipment unit · VIN-decoded · NHTSA vPIC

2011 Western Star 4900

5KKHALDV6BPAZ0452 · Truck · INCOMPLETE VEHICLE
Carriers run under1
32 mo
Inspections9
all-time
OOS inspections3
of 9
First seenNov 16, 2023
CA
Last seenJul 22, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5KKHALDV6BPAZ0452
Make
Western Star
Model
4900
Model year
2011
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
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
5KK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
HALDV

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1981 or 2011

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

North American serial sequence
AZ0452

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 · 15 decoded VINs at 100.0% prefix purity.

Model
4900

Prefix basis · 15 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
2011

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
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 · Nov 16, 2023 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026CAI · Full2MARKO METALS INC 261245845182D4/CA
Jul 2, 2026CAIII · Driver-only1MARKO METALS INC 261245845182D4/CA
Jan 22, 2026CAV · Vehicle-only0MARKO METALS INC 261245845182D4/CA
Oct 6, 2025CAV · Vehicle-only5OOSMARKO METALS INC 261245845182D4/CA
Sep 17, 2025CAII · Walk-around0MARKO METALS INC 261245845182D4/CA
Aug 20, 2025CAII · Walk-around6MARKO METALS INC 261245842397B1/CA
Jul 21, 2025CAII · Walk-around7OOSMARKO METALS INC 261245842397B1/CA
Feb 2, 2024CAI · Full0MARKO METALS INC 261245842397B1/CA
Nov 16, 2023CAI · Full20OOSMARKO METALS INC 261245842397B1/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARKO METALS INC2612458Nov 16, 2023Jul 22, 20269CA
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.
45182D4CA1MARKO METALS INCSep 17, 2025Jul 22, 20265
42397B1CAMARKO METALS INCNov 16, 2023Aug 20, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026