Equipment unit · VIN-decoded · NHTSA vPIC

2019 Western Star 4900

5KJNALD17KPKN1862 · Truck-Tractor · TRUCK
Carriers run under1
17 mo
Inspections10
all-time
OOS inspections1
of 10
First seenDec 5, 2023
LA
Last seenMay 22, 2025
IN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5KJNALD17KPKN1862
Make
Western Star
Model
4900
Model year
2019
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
5KJ

Deterministic · VIN positions 1–3.

Vehicle descriptor section
NALD1

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1989 or 2019

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

North American serial sequence
KN1862

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 · 56 decoded VINs at 100.0% prefix purity.

Model
4900

Prefix basis · 56 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
2019

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-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 · Dec 5, 2023 – May 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 22, 2025INII · Walk-around2BARNHART SPECIALIZED LLC 3608665R635630/TX
Apr 29, 2025IAII · Walk-around2BARNHART SPECIALIZED LLC 3608665R635630/TX
Mar 18, 2025NYI · Full3BARNHART SPECIALIZED LLC 3608665R635630/TX
Feb 25, 2025NYI · Full4OOSBARNHART SPECIALIZED LLC 3608665R635630/TX
Feb 19, 2025NYII · Walk-around0BARNHART SPECIALIZED LLC 3608665R635630/TX
Feb 17, 2025NYII · Walk-around0BARNHART SPECIALIZED LLC 3608665R635630/TX
Feb 14, 2025NYI · Full6BARNHART SPECIALIZED LLC 3608665R635630/TX
Apr 16, 2024AZII · Walk-around0BARNHART SPECIALIZED LLC 3608665R635630/TX
Apr 15, 2024AZII · Walk-around0BARNHART SPECIALIZED LLC 3608665R635630/TX
Dec 5, 2023LAII · Walk-around1BARNHART SPECIALIZED LLC 3608665R635630/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BARNHART SPECIALIZED LLC3608665Dec 5, 2023May 22, 202510TX
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.
R635630TXBARNHART SPECIALIZED LLCDec 5, 2023May 22, 202510
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026