Equipment unit · VIN-decoded · NHTSA vPIC

2005 Western Star 4900

5KKHALCK75PV25889 · Truck · INCOMPLETE VEHICLE
Carriers run under2
38 mo
Inspections71
all-time
OOS inspections2
of 71
First seenJun 13, 2023
AZ
Last seenAug 3, 2026
AZ
Inspected under 2 different carriers in 38 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5KKHALCK75PV25889
Make
Western Star
Model
4900
Model year
2005
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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.

Source · 49 CFR Part 565 ↗
Vehicle descriptor section
HALCK

Deterministic · VIN positions 4–8.

Source · 49 CFR Part 565 ↗
Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Source · 49 CFR Part 565 ↗
Model year candidates
2005 or 2035

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

Source · 49 CFR Part 565 ↗
North American serial sequence
V25889

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

Source · 49 CFR Part 565 ↗

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 · 6 decoded VINs at 100.0% prefix purity.

Source · Vektor corpus / NHTSA vPIC ↗
Model
4900

Prefix basis · 6 decoded VINs at 100.0% prefix purity.

Source · Vektor corpus / NHTSA vPIC ↗
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
2005

Observed directly for this VIN via NHTSA vPIC.

Source · Vektor corpus / NHTSA vPIC ↗
Observed make
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Source · Vektor corpus / NHTSA vPIC ↗
Observed model
4900

Observed directly for this VIN via NHTSA vPIC.

Source · Vektor corpus / NHTSA vPIC ↗
Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Source · Vektor corpus / NHTSA vPIC ↗
Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

Source · Vektor corpus / NHTSA vPIC ↗
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Source · Vektor corpus / 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 13, 2023 – Aug 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 3, 2026AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jul 30, 2026AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jul 30, 2026UTII · Walk-around1—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jul 28, 2026AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jul 16, 2026AZIII · Driver-only0—DAVID TAYLOR 12026821TZ619/AZ
Jul 14, 2026AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jun 16, 2026AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Apr 2, 2026AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Mar 31, 2026AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Feb 26, 2026AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Feb 24, 2026AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jan 8, 2026AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jan 6, 2026AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Nov 24, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Nov 18, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Oct 31, 2025AZIII · Driver-only0—DAVID TAYLOR 12026821TZ619/AZ
Oct 7, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Sep 11, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Sep 9, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jul 2, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jul 1, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jun 5, 2025AZII · Walk-around0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jun 3, 2025AZII · Walk-around0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
May 23, 2025AZIII · Driver-only0—DAVID TAYLOR 12026821TZ619/AZ
May 20, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
May 15, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
May 13, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
May 1, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Apr 29, 2025AZII · Walk-around0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Mar 20, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Mar 18, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Feb 20, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Feb 18, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jan 23, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jan 21, 2025AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Oct 22, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Oct 17, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Aug 20, 2024AZII · Walk-around1—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Aug 13, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Aug 9, 2024AZII · Walk-around3OOSUNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jul 2, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
May 28, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
May 16, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
May 14, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
May 7, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
May 2, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Apr 23, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Apr 18, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Apr 9, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Apr 4, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Mar 14, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Mar 12, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Feb 23, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Feb 13, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jan 17, 2024AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Dec 27, 2023AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Dec 5, 2023AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Nov 21, 2023AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Oct 30, 2023AZII · Walk-around0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Oct 17, 2023AZII · Walk-around0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Oct 6, 2023AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Sep 28, 2023AZII · Walk-around0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Sep 7, 2023AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Aug 31, 2023AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jul 18, 2023AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jul 18, 2023AZII · Walk-around0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jul 6, 2023AZII · Walk-around4OOSUNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jun 29, 2023AZII · Walk-around0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jun 20, 2023AZII · Walk-around2—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jun 13, 2023AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
Jun 13, 2023AZIII · Driver-only0—UNLIMITED CONCEPTS INC 27259801TZ619/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNLIMITED CONCEPTS INC2725980Jun 13, 2023Aug 3, 202668AZ
DAVID TAYLOR1202682May 23, 2025Jul 16, 20263AZ
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.
1TZ619AZ1UNLIMITED CONCEPTS INCJun 13, 2023 → Aug 3, 202668
1TZ619AZ1DAVID TAYLORMay 23, 2025 → Jul 16, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026